Commit Graph

920 Commits

Author SHA1 Message Date
Andrew MacLeod
4636c0a2f4 expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2000-06-02  Andrew MacLeod  <amacleod@cygnus.com>

	* expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.

From-SVN: r34354
2000-06-02 10:15:43 +00:00
Richard Kenner
3bdf5ad138 Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
* 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
2000-05-31 14:37:31 -04:00
Richard Kenner
8d5e6e2527 tree.h (TREE_CODE_LENGTH): New macro.
* 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
2000-05-27 11:21:17 -04:00
Alexandre Oliva
ea4da9dbcc expr.c (expand_assignment, [...]): Set in_check_memory_usage while emitting chkr_check_addr libcall.
* expr.c (expand_assignment, store_expr, expand_expr,
expand_expr_unaligned): Set in_check_memory_usage while emitting
chkr_check_addr libcall.

From-SVN: r34140
2000-05-24 19:49:28 +00:00
Jan Hubicka
3ea2292aa0 expr.c (emit_push_insn): Do not adjust stack pointer when preallocating.
* expr.c (emit_push_insn): Do not adjust stack pointer when
        preallocating.

From-SVN: r33881
2000-05-12 11:51:30 -06:00
Zack Weinberg
3b304f5b7d top level:
* 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
2000-05-09 19:56:01 +00:00
Richard Kenner
a47fed553c Fix error in previous change
From-SVN: r33725
2000-05-06 07:30:43 -04:00
Richard Kenner
296b4ed9cb expr.c (get_subtarget): New function.
* expr.c (get_subtarget): New function.
	(force_operand, expand_expr, do_store_flag): Use it.

	* toplev.c (compile_file): Don't take strlen of NAME if null.

From-SVN: r33722
2000-05-06 06:17:11 -04:00
Jason Merrill
f9e158c377 simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
* simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
        * stor-layout.c (place_field): Likewise.
        * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
        * expr.c (store_expr): Make align unsigned.
        * explow.c (plus_constant_wide): Make low words unsigned.
        * expmed.c (choose_multiplier): Likewise.
        * fold-const.c (fold):  Likewise.
        * tree.h (build_int_2): Likewise.
        * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
        * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
        (init_emit): Change cast to unsigned char*.
        * varasm.c (compare_constant_1): Add cast to char*.
        * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
        * reload1.c (reload): Likewise.

        * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).

From-SVN: r33684
2000-05-04 17:15:05 -04:00
Richard Kenner
bf49b1396b rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and MEM_ALIAS_SET.
* 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
2000-05-04 09:49:50 -04:00
Richard Kenner
32919a0dd2 expr.c (expand_expr, [...]): Don't check for checking memory usage if not in a function.
* expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
	memory usage if not in a function.
	* varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
	return address if static.

From-SVN: r33629
2000-05-03 09:20:48 -04:00
Richard Henderson
ce48579b9a calls.c (combine_pending_stack_adjustment_and_call): Return the adjustment; don't do the stack adjust.
* calls.c (combine_pending_stack_adjustment_and_call): Return the
        adjustment; don't do the stack adjust.
        (expand_call): Call compute_argument_block_size right before
        allocating the block; update comment; don't do alignment sanity
        checking for sibling call; use args_size instead of
        unadjusted_args_size before args_size is adjusted.  Use
        combine_pending_stack_adjustment_and_call to compute stack adjust
        for must_preallocate case.

        * expr.c (push_block): Remove shadow `temp' in inner scope.

Co-Authored-By: Jan Hubicka <jh@suse.cz>

From-SVN: r33516
2000-04-28 11:25:23 -07:00
Jan Hubicka
2a5b96fdb1 expr.c (store_expr): Use clear_storage instead of direct memset libcall.
* expr.c (store_expr): Use clear_storage instead of direct memset
	libcall.

From-SVN: r33484
2000-04-27 14:13:48 +00:00
Richard Kenner
219fe89837 expr.c (preexpand_calls, [...]): Don't look at TYPE_SIZE of VOID_TYPE.
* expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
	of VOID_TYPE.

From-SVN: r33336
2000-04-22 06:36:44 -04:00
Richard Kenner
3ef1eef42a expr.c (reload.h): Now included.
* expr.c (reload.h): Now included.
	(emit_block_move): Set volatile_ok when checking for movstr.
	(emit_move_1): Check for replacements in addresses in multi-word case.
	* Makefile.in (expr.o): Now includes reload.h.

From-SVN: r33155
2000-04-14 18:13:59 -04:00
Richard Kenner
7156dead87 expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
* expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
	(expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.

From-SVN: r33056
2000-04-10 07:46:08 -04:00
Jan Hubicka
1503a7ecd5 builtins.c (expand_builtin_apply): Pass proper parameters to allocate_dynamic_stack_space.
* builtins.c  (expand_builtin_apply):  Pass proper parameters to
	allocate_dynamic_stack_space.
	* calls.c (emit_call_1):  Do not adjust stack pointer for SIB,
	update stack_pointer_delta; do not update arg_size_so_far.
	(compute_argument_block_size): Use stack_delta instead of
	stack_pointer_pending and arg_size_so_far.
	(expand_call): Add sanity checking for stack_pointer_delta;
	save and restore stack_pointer_delta for SIB, use
	stack_pointer_delta for alignment; do not update arg_space_so_far.
	(emit_library_call_value): Use stack_pointer_delta for alignment.
	(store_one_arg): Do not update arg_space_so_far.
	* explow.c (adjust_stack, anti_adjust_stack): Update
	stack_pointer_delta.
	(allocate_dynamic_stack_space): Add sanity checking for
	stack_pointer_delta.
	* expr.c (init_expr, clear_pending_stack_adjust): Clear
	stack_pointer_delta.
	(emit_push_insn): Update stack_pointer_delta.
	* function.h (struct expr_status): Add x_stack_pointer_delta;
	remove x_arg_space_so_far.
	(arg_space_so_far): Remove.
	(stack_pointer_delta): New macro.

From-SVN: r32851
2000-04-01 00:09:22 +00:00
Richard Kenner
7fa9670848 expr.c (store_constructor): Properly compute displacement and alignment when offset is variable.
* expr.c (store_constructor): Properly compute displacement and
	alignment when offset is variable.

From-SVN: r32837
2000-03-30 17:17:51 -05:00
Richard Kenner
14c78e9b16 expr.c (move_by_pieces_ninsns): Fix one more missing align correction.
* expr.c (move_by_pieces_ninsns): Fix one more missing align
	correction.

From-SVN: r32831
2000-03-30 13:17:19 -05:00
Richard Kenner
bdb429a5a1 calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
* 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
2000-03-30 08:46:05 -05:00
Richard Kenner
19caa751a8 builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
* 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
2000-03-30 06:47:08 -05:00
Jan Hubicka
f73ad30e01 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
* calls.c (PUSH_ARGS_REVERSED) Change to expression.
	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
	(struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
	(save_fixed_argument_area, restore_fixed_argument_area):
	conditionize by #ifdef REG_PARM_STACK_SPACE only.
	(emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
	to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
	(precompute_register_parameters): Avoid #ifdefs on
	ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
	(stire_one_args): Likewise.
	(expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
	(emit_library_call_value_1): Likewise.
	(compute_argument_block_size): Align to STACK_BOUNDARY only for
	ACCUMULATE_OUTGOING_ARGS.
	* combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
	value.
	(nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
	(use_crosses_set_p): Likewise.
	* all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
	#define ACCUMULATE_OUTGOING_ARGS 1.
	* i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
	frames.
	* i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
	constants.
	(TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
	(TARGET_SWITCHES): Add push-args, no-push-args,
	accumulate-outgoing-args and no-accumulate-outgoing-args.
	(ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
	* expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
	(push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
	and PUSH_ROUNDING.
	(emit_push_insn): Likewise.
	* final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
	(final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
	* function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
	(STACK_DYNAMIC_OFFSET): Define correctly for both
	ACCUMULATE_OUTGOING_ARGS and normal mode.
	* invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
	* tm.texi (PUSH_ARGS): Document.
	(ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.

From-SVN: r32803
2000-03-29 13:10:44 +00:00
Richard Kenner
13eb1f7f0d expr.c (store_constructor): SIZE now signed.
* expr.c (store_constructor): SIZE now signed.
	For EXPR_SIZE, don't evaluate size; just needed if constant.
	* fold-const.c (fold): Fix a number of cases when folded tree is
	wrong type.
	* function.c (flush_addressof): Reenable.
	* tree.h (flush_addressof): Likewise.
	* toplev.c (independent_decode_option): Look at strings_processed.
	* config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.

From-SVN: r32783
2000-03-28 12:01:49 -05:00
Richard Kenner
693e30e32d * expr.c (expand_assignent): Fix typo in last change.
From-SVN: r32764
2000-03-27 09:06:18 -05:00
Richard Kenner
a69beca121 expr.c (expand_assignment): Add code to handle variable-sized BLKmode case.
* expr.c (expand_assignment): Add code to handle variable-sized
	BLKmode case.

From-SVN: r32749
2000-03-26 12:05:34 -05:00
Richard Kenner
770ae6cc71 * Rework fields used to describe positions of bitfields and
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
2000-03-25 13:34:13 -05:00
Theodore Papadopoulo
2f939d9406 builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
* builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
	* c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
	  c_get_alias_set): Likewise.
	* c-decl.c (duplicate_decls): Likewise.
	* c-typeck.c (default_conversion,build_unary_op): Likewise.
	* calls.c (initialize_argument_information): Likewise.
	* dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
	Likewise.
	* dwarfout.c (decl_class_context,output_type): Likewise.
	* expr.c (get_inner_reference): Likewise.
	* fold-const.c (simple_operand_p,fold): Likewise.
	* function.c (aggregate_value_p): Likewise.
	* stmt.c (expand_asm_operands): Likewise.
	* varasm.c (named_section): Likewise.

	* call.c (check_dtor_name,build_new_method_call): Likewise.
	* decl.c (push_class_binding,poplevel,pushtag,lookup_namespace_name,
	make_typename_type,check_initializer,cp_finish_decl,xref_tag): Likewise.
	* decl2.c (grokfield,build_expr_from_tree,build_expr_from_tree,
	decl_namespace,arg_assoc_template_arg,arg_assoc,
	validate_nonmember_using_decl,do_class_using_decl): Likewise.
	* error.c (dump_template_argument,dump_expr,cp_file_of,cp_line_of,
	args_to_string): Likewise.
	* friend.c (is_friend): Likewise.
	* lex.c (note_got_semicolon,note_list_got_semicolon,is_global): Likewise.
	* method.c (build_overload_nested_name,build_overload_value,
	build_qualified_name,build_qualified_name,hack_identifier): Likewise.
	* parse.y (typename_sub,typename_sub1): Likewise.
	* pt.c (push_inline_template_parms_recursive,check_template_shadow,
	process_partial_specialization,convert_template_argument,
	template_args_equal,add_pending_template,lookup_template_class,
	for_each_template_parm_r,maybe_fold_nontype_arg,
	tsubst,instantiate_template,type_unification_real,unify,
	instantiate_pending_templates,set_mangled_name_for_template_decl):
	Likewise.
	* repo.c (repo_get_id,repo_template_used): Likewise.
	* search.c (lookup_field_1): Likewise.
	* tree.c (walk_tree,get_type_decl,cp_tree_equal,member_p): Likewise.
	* xref.c (classname): Likewise.

From-SVN: r32698
2000-03-23 00:41:05 +00:00
Nathan Sidwell
d0f062fbb3 tree.h (COMPLETE_TYPE_P): New macro.
gcc
	* tree.h (COMPLETE_TYPE_P): New macro.
	(COMPLETE_OR_VOID_TYPE_P): New macro.
	(COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
	* stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
	* c-aux-info.c (gen_type): Use them.
	* c-common.c (c_expand_expr_stmt): Likewise.
	* c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
	grokdeclarator, grokparms, finish_struct, start_function,
	store_parm_decls, combine_parm_decls): Likewise.
	* c-parse.y (cast_expr): Likewise.
	* c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
	c_size_in_bytes, c_alignof, build_component_ref,
	build_indirect_ref, build_array_ref, convert_arguments,
	build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
	* calls.c (initialize_argument_information): Likewise.
	* convert.c (convert_to_integer): Likewise.
	* dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
	* dwarfout.c (location_or_const_value_attribute,
	output_enumeration_type_die, output_structure_type_die,
	output_union_type_die, output_type): Likewise.
	* expr.c (safe_from_p, expand_expr): Likewise.
	* function.c (assign_parms): Likewise.
	* sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
	* tree.c (build_array_type, build_function_type,
	build_method_type, build_offset_type, build_complex_type): Likewise.
	* c-parse.c, c-parse.h: Regenerated.
gcc/cp
	* typeck.c (require_complete_type, complete_type,
	complete_type_or_else, c_sizeof, c_sizeof_nowarn,
	build_array_ref, convert_arguments, pointer_diff,
	build_x_unary_op, build_unary_op, build_c_cast,
	build_modify_expr): Use COMPLETE_TYPE_P etc.
	* call.c (is_complete, convert_like_real,
	build_new_method_call): Likewise.
	* class.c (build_vbase_pointer_fields, check_bases,
	build_base_field, finish_struct_1, pushclass): Likewise.
	* cvt.c (cp_convert_to_pointer, convert_to_void): Likewise.
	* decl.c (maybe_process_template_type_declaration, pushtag,
	pushdecl, redeclaration_error_message, start_decl, start_decl_1,
	layout_var_decl, check_initializer, cp_finish_decl,
	grokdeclarator, require_complete_types_for_parms,
	grok_op_properties, xref_tag, xref_basetypes,
	check_function_type): Likewise.
	* decl2.c (check_classfn, reparse_absdcl_as_casts): Likewise.
	* friend.c (do_friend): Likewise.
	* init.c (build_offset_ref): Likewise.
	* parse.y (structsp): Likewise.
	* pt.c (maybe_process_partial_specialization,
	tsubst_friend_function, instantiate_class_template, tsubst,
	do_type_instantiation, instantiate_pending_templates): Likewise.
	* repo.c (repo_get_id): Likewise.
	* rtti.c (build_typeid, get_typeid, build_dynamic_cast_1,
	synthesize_tinfo_var, emit_support_tinfos): Likewise.
	* search.c (lookup_fnfields_1, lookup_conversions): Likewise.
	* semantics.c (begin_class_definition): Likewise.
	* tree.c (build_cplus_method_type): Likewise.
	* typeck2.c (digest_init, build_functional_cast,
	add_exception_specifier): Likewise.
	* parse.h, parse.c: Regenerated.

From-SVN: r32671
2000-03-21 18:10:48 +00:00
Mark Mitchell
e2c49ac21c * expr.c: Include intl.h.
From-SVN: r32628
2000-03-19 05:13:15 +00:00
Richard Henderson
942248b868 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
From-SVN: r32626
2000-03-18 17:56:42 -08:00
Richard Kenner
665f250366 * Clean up usages of TREE_INT_CST_LOW.
* c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
	* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
	Regenerated.
	* c-tree.h (min_precision): Move declaration to here.
	* c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
	(build_unary_op, add_pending_init): Use bit_position.
	(pending_init_member, process_init_element): Likewise.
	(really_start_incremental_init, push_init_level, pop_init_level):
	Don't make copies of nodes or modify them in place, use consistent
	types when tracking positions, and use tree routines computations.
	(set_init_index, output_init_element): Likewise.
	(output_pending_init_elements, process_init_element): Likewise.
	* dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
	tree_low_cst and int_bit_position; also minor cleanup.
	(dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
	(print_cst_octal): Precision is unsigned.
	(dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
	* dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
	(simple_type_align_in_bits): Result is unsigned int.
	Use tree_int_low_cst and host_integerp.
	(simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
	(field_byte_offset): Result is HOST_WIDE_INT.
	Change types of internal variables so alignments are unsigned int,
	offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
	Use host_integerp, tree_low_cst, and int_bit_position.
	(add_bit_offset_attribute): Likewise.
	(add_data_member_location_attribute): Use tree_cst_low.
	(add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
	(add_bit_size_attribute): Use tree_low_cst.
	(add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
	* dwarfout.c: Similar changes to dwarf2out.c.
	* expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
	* genoutput.c (n_occurences): Return -1 for null string.
	(strip_whitespace): Accept null string and make into function.
	(scan_operands): Reflect above changes.
	* sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
	(sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
	* ssa.c (rename_registers): Add missing cast of arg to bzero.
	* tree.c (int_size_in_bytes): Check for too big to represent.
	(bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
	* tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
	New declarations.
	(min_precision): Delete from here.
	* varasm.c (decode_addr_const): Use host_integerp, bit_position,
	and int_bit_position.
	* objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
	(encode_method_def): Likewise.
	(build_ivar_list_initializer): Use int_bit_position.
	(generate_shared_structures): Convert size.
	(encode_type, encode_complete_bitfield): Use integer_zerop.
	(encode_bitfield): Use tree_low_cst and int_bit_position.
	* ch/typeck.c (min_precision): New function.
	(build_chill_slice): Use host_integerp and tree_low_cst.
	(expand_constant_to_buffer): Likewise and also int_bit_position.
	LO is unsigned HOST_WIDE_INT
	(build_chill_array_ref_1): Make `i' be HOST_WIDE_INT; use tree_low_cst.
	(extract_constant_from_buffer): Sizes are now HOST_WIDE_INT.
	Use host_integerp and tree_low_cst.
	(build_chill_bin_type): Use host_integerp and tree_low_cst.
	(layout_chill_range_type): Use tree_int_cst_sgn, compare_tree_int,
	tree_low_cst, and min_precision.
	(apply_chill_array_layout): Cleanups for types of variables
	and use tree_int_cst_sgn, compare_tree_int, and tree_low_cst.
	(apply_chill_field_layout): Likewise.
	* cp/class.c (build_vbase_path): Use integer_zerop.
	(build_vtable_entry): Use tree_low_cst.
	(get_vfield_offset): Use bit_position.
	(dfs_modify_vtables): New variable vindex_val; `i' is HOST_WIDE_INT.
	Use tree_low_cst.
	(check_bitfield_decl): Set DECL_SIZE using convert.
	(build_base_field): Set DECL_SIZE and DECL_SIZE_UNIT using size_binop.
	(layout_virtual_bases): DSIZE is unsigned HOST_WIDE_INT.
	Use tree_low_cst.
	(finish_struct_1): Use bit_position.
	(dump_class_hierarchy): Use tree_low_cst.
	* cp/cp-tree.h (min_precision): Add declaration.
	* cp/decl.c (xref_tag, xref_basetypes): Use tree_low_cst.
	* cp/error.c (dump_type_suffix): Use host_integerp and tree_low_cst.
	(dump_expr): Use integer_zerop, host_integerp, and tree_low_cst.
	* cp/expr.c (cplus_expand_constant): Use bit_position.
	* cp/init.c (build_vec_init): Use host_integerp and tree_low_cst.
	* cp/rtti.c (get_base_offset): Use bit_position.
	* cp/typeck.c (build_binary_op): Use integer_zerop, compare_tree_int,
	host_integerp, and tree_low_cst.
	(pointer_int_sum): Use integer_zerop.
	(build_component_addr): Use bit_position.
	* java/class.c (make_field_value): Properly handle sizes.
	(get_dispatch_vector): Use tree_low_cst and host_integerp.
	(layout_class_method): Count using trees.
	* java/decl.c (push_promoted_type): Set TYPE_{MIN,MAX}_VALUE with
	copy_node.
	* java/expr.c (java_array_data_offset): Use int_bit_position.
	(build_newarray, build_anewarray): Use host_integerp and tree_low_cst.
	(build_invokevirtual): Use tree_low_cst and do computations with trees.

From-SVN: r32607
2000-03-17 12:31:58 -05:00
Jason Merrill
c3b247b445 function.c (put_var_into_stack): Use type_for_mode to calculate part_type.
* function.c (put_var_into_stack): Use type_for_mode to calculate
        part_type.  Use MEM_SET_IN_STRUCT_P.
        * expr.c (store_field): Handle CONCAT.
        (store_constructor): Use fields_length.
        * tree.c (fields_length): New fn.
        * tree.h: Declare it.

From-SVN: r32514
2000-03-13 17:54:03 -05:00
Jim Wilson
1858863bd5 Fix ia64 spec95 134.perl miscompilation.
* expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
	same as VAR_DECL.

From-SVN: r32463
2000-03-09 20:03:10 -08:00
Jason Merrill
5cb1bea4ae expr.c (expand_expr, [...]): Still check for missing CONSTRUCTOR element.
* expr.c (expand_expr, case ARRAY_REF): Still check for missing
        CONSTRUCTOR element.

From-SVN: r32423
2000-03-08 11:00:00 -05:00
Richard Kenner
05bccae2ef tree.h (INT_CST_LT, [...]): Remove unneeded casts.
* tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
	(struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
	(attribute_hash_list, type_hash_canon): hashcode is now unsigned.
	(type_hash_lookup, type_hash_add, type_hash_list): Likewise.
	(min_precision): Result is unsignd.
	(add_double, neg_double, mul_double): Low word is unsigned.
	(lshift_double, rshift_double, lrotate_double): Likewise.
	(rrotate_double, div_and_round_double): Likewise.
	(tree_floor_log2, compare_tree_int): New functions.
	(preserve_rtl_expr_temps): New declaration.
	* c-common.c (declare_hidden_char_array): Use compare_tree_int.
	(decl_attributes): Use tree_log2 to find alignment.
	Check for TREE_INT_CST_HIGH for format args.
	(min_precision): Now unsigned.
	Use tree_floor_log2.
	(truthvalue_conversion): Delete long-disabled code.
	* c-decl.c (finish_struct): Clean up tests on field width.
	(finish_function): Use compare_tree_int.
	* c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
	* c-typeck.c (comptypes): Use tree_int_cst_equal.
	(default_conversion, digest_init): Use compare_tree_int.
	(build_binary_op): Use integer_all_onesp and compare_tree_int.
	Fix type errors in forming masks.
	* calls.c (initialize_argument_information): Use compare_tree_int.
	* dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
	* except.c (expand_eh_region_start_tree): Use compare_tree_int.
	* expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
	(store_field): Use compare_tree_int.
	(expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
	(expand_expr, case ARRAY_REF): Use compare_tree_int.
	(do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
	(do_store_flag): Use compare_tree_int.
	* fold-const.c (encode, decode): Low part is always unsigned.
	(force_fit_type, add_double, neg_double, mul_double): Likewise.
	(lshift_double, rshift_double, lrotate_double): Likewise.
	(rrotate_double, div_and_round_double, int_const_binop): Likewise.
	(fold_convert): Use compare_tree_int.
	(operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
	(invert_truthvalue, case INTEGER_CST): Likewise.
	(fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
	* mkdeps.c (deps_dummy_targets): Make I unsigned.
	* rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
	(lshift_double, rshift_double, lrotate_double, rrotate_double):
	Likewise.
	* stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
	(expand_end_case): Use compare_tree_int.
	(estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
	* stor-layout.c (mode_for_size_tree): Use compare_tree_int.
	(layout_decl): Likewise.
	(layout_record, layout_union): Make sizes unsigned.
	(layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
	(layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
	* tree.c (struct type_hash): hashcode is unsigned.
	(build_type_attribute_variant, type_hash_list): Likewise.
	(type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
	(attribute_hash_list, build_array_type, build_method_type): Likewise.
	(build_complex_type): Likewise.
	(real_value_from_int_cst): Remove unneeded casts.
	(integer_all_onesp): Add casts.
	(tree_floor_log2, compare_tree_int): New functions.
	(build_index_type): Use tree_int_cst_sgn.
	* varasm.c (assemble_variable): Use compare_tree_int.
	* ch/actions.c (chill_convert_for_assignment): INDEX is unsigned
	HOST_WIDE_INT.
	* ch/ch-tree.h (DECL_NESTING_LEVEL): Use TREE_INT_CST_HIGH
	since unsigned.
	* ch/except.c (chill_handle_on_labels): ALTERNATIVE is unsigned.
	Use compare_tree_int.
	(expand_goto_except_cleanup): Likewise.
	* cp/class.c (dfs_modify_vtables): I is now unsigned.
	(check_bitfield_decl): Use tree_int_cst_sgn and compare_tree_int.
	(build_base_field): Add casts of TREE_INT_CST_LOW to HOST_WIDE_INT.
	* cp/error.c (dump_expr): Cast TREE_INT_CST_HIGH to unsigned.
	* cp/init.c (build_vec_init): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
	* cp/method.c (build_overload_int): Cast TREE_INT_CST_HIGH to unsigned.
	* cp/typeck.c (build_binary_op, case TRUNC_DIV_EXPR):
	Call integer_all_onesp.
	* cp/typeck2.c (process_init_constructor): Use compare_tree_int.
	* f/com.c (ffecom_f2c_set_lio_code_): Use compare_tree_int.
	(ffecom_sym_transform_, ffecom_transform_common_): Likewise.
	(ffecom_transform_equiv_): Likewise.
	* java/decl.c (emit_init_test_initialization): Mark KEY as unused.
	* java/expr.c (build_newarray): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
	(build_anewarray): Likewise.
	* java/parse.y (patch_newarray): Likewise.
	* java/parse.c: Regenerated.

From-SVN: r32383
2000-03-07 06:41:32 -05:00
Mark Mitchell
64dc53f34d function.c (free_temps_for_rtl_expr): Don't free slots that have been pushed into a higher level.
* function.c (free_temps_for_rtl_expr): Don't free slots
	that have been pushed into a higher level.

	* expr.c (cplus_expand_expr, case STMT_EXPR): Don't set
	RTL_EXPR_HAS_NO_SCOPE after all.

From-SVN: r32355
2000-03-06 09:50:17 +00:00
Mark Mitchell
9f93702662 tree.def (RTL_EXPR): Update documentation.
* tree.def (RTL_EXPR): Update documentation.
	* tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
	* expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
	* function.c (preserve_rtl_expr_temp): New function.
	(preserve_rtl_expr_temps): Likewise.
	(preserve_rtl_expr_result): Use it.

From-SVN: r32344
2000-03-05 20:43:44 +00:00
Mark Mitchell
591ccf92b3 Revert this patch:
2000-03-04  Mark Mitchell  <mark@codesourcery.com>

From-SVN: r32343
2000-03-05 19:34:29 +00:00
Mark Mitchell
08d0be2f4c function.h (struct sequence_stack): Remove rtl_expr.
* function.h (struct sequence_stack): Remove rtl_expr.
	(struct emit_staus): Likewise.
	(seq_rtl_expr): Remove.
	* tree.h (free_temps_for_rtl_expr): Don't declare.
	(start_sequence_for_rtl_expr): Likewise.
	* rtl.h (preserve_rtl_expr_result): Likewise.
	* emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
	(start_sequence_for_rtl_expr): Remove.
	(push_topmost_sequence): Don't save sequence_rtl_expr.
	(pop_topmost_sequence): Remove comment about not restoring it.
	(end_sequence): Don't set seq_rtl_expr.
	(init_emit): Don't initialize it.
	(mark_sequence_stack): Don't mark it.
	(mark_emit_status): Likewise.
	* except.c (protect_with_terminate): Use
	start_sequence_for_rtl_expr, not start_sequence.
	* expr.c (expand_expr, case RTL_EXPR): Don't call
	preserve_rtl_expr_result or free_temps_for_rtl_expr.
	(assign_stack_temp_for_type): Don't set rtl_expr.
	(preserve_rtl_expr_result): Remove.
	(free_temps_for_rtl_expr): Likewise.
	(pop_temp_slots): Likewise.
	(mark_temp_slot): Don't mark the rtl_expr.
	* stmt.c (expand_start_stmt_expr): Use start_sequence, not
	start_sequence_for_rtl_expr.

From-SVN: r32333
2000-03-05 01:57:10 +00:00
Richard Kenner
dd84118114 expr.c (expand_expr, [...]): Use bitfield case if result is a RECORD_TYPE.
* expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
	result is a RECORD_TYPE.

From-SVN: r32317
2000-03-03 15:40:54 -05:00
Jason Merrill
c2732da3bb function.h (struct expr_status): Add x_arg_space_so_far.
* function.h (struct expr_status): Add x_arg_space_so_far.
        (arg_space_so_far): New macro.
        * expr.c (init_expr): Initialize it.
        * calls.c (emit_call_1): Reset it.
        (compute_argument_block_size, expand_call): Use it.
        (expand_call, store_one_arg): Increment it.

From-SVN: r32296
2000-03-02 18:50:11 -05:00
Richard Kenner
9df2c88cf7 * Eliminate DECL_FIELD_SIZE.
* builtins.c (built_in_class_names, built_in_names): New variables.
	* c-decl.c (finish_struct): Set specified size in DECL_SIZE.
	* expr.c (expand_expr, case COMPONENT_REF): Get field size from
	DECL_SIZE, not DECL_FIELD_SIZE.
	* print-tree.c (print_node): Remove code that prints extra blank
	lines in some cases.
	Properly handle inline and builtin function cases.
	* stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
	* tree.h (built_in_class_named, built_in_names): New declarations.
	(union tree_decl): Rename internal unions to u1 and u2 and change
	some of their components.
	Add new field built_in_class.
	(DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
	Reflect above changes.
	(DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
	(DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
	* objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
	(encode_field_decl): Likewise; also remove obsolete test for bitfield.
	* ch/ch-tree.h (DECL_ACTION_NESTING_LEVEL): Use new tree union name.
	* ch/decl.c (finish_struct): Don't clear DECL_FIELD_SIZE.
	* ch/typeck.c (make_chill_struct_type): Likewise.
	(apply_decl_field_layout): General cleanup.
	Set DECL_SIZE instead of DECL_FIELD_SIZE.
	* cp/class.c (build_vtbl_or_vbase_field, check_methods): Don't clear
	DECL_FIELD_SIZE.
	(check_bitfield_decl, check_field_decls): Set DECL_SIZE, not
	DECL_FIELD_SIZE.
	* cp/rtti.c (expand_class_desc): Likewise.
	* cp/cp-tree.h (DECL_INIT_PRIORITY): Use underlying union name.
	(THUNK_VCALL_OFFSET): Likewise.
	(THUNK_DELTA): Reflect changes in ../tree.h.
	* java/java-tree.h (LABEL_PC): Relect name changes in ../tree.h.
	(DECL_BIT_INDEX): Use underlying representation.
	* java/parse.h (DECL_INHERITED_SOURCE_LINE): Likewise.

From-SVN: r32249
2000-02-28 21:34:48 -05:00
Jan Hubicka
98c3b85006 expr.c (store_constructor): Do not emit USE.
* expr.c (store_constructor): Do not emit USE.
	* rtl.h (stupid_life_analysis): Remove.

From-SVN: r32233
2000-02-28 12:08:41 +00:00
Richard Kenner
fed3cef0db builtins.c (c_strlen): Use size_diffop and return ssizetype value.
* builtins.c (c_strlen): Use size_diffop and return ssizetype value.
	(expand_builtin_strcpy): Pass correct type to size_binop.
	(expand_builtin_strcmp): Likewise.
	Clean up conditional structure.
	* c-decl.c (init_decl_processing): Don't call set_sizetype twice.
	(complete_array_type): Don't use size_binop for MAXINDEX.
	* c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
	(c_sizeof_nowarn, c_size_in_bytes): Likewise.
	(c_alignof): Use size_one_node.
	(build_unary_op): Pass arg of proper type to size_binop.
	(really_start_incremental_init, push_init_level): Use sizetype for
	constructor{,_bit,_unfilled}_index.
	(pop_init_label, output_init_element): Likewise.
	(output_pending_init_elements, process_init_element): Likewise.
	* calls.c (compute_argument_block_size): Field VAR is ssizetype.
	* expr.c (store_expr): Use size_int.
	(store_constructor): Use proper types for size_binop args.
	(get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
	(expand_expr_unaligned): Likewise.
	(string_contant): Return object of sizetype.
	* expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
	(ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
	(ARGS_SIZE_TREE): Pass proper types to size_binop.
	* fold-const.c (int_const_binop): Refine when size_int is called.
	(fold_convert): Likewise.
	(size_int_wide): Rework to take KIND as arg, only take low order
	bits, handle new sizetype_tab datatype, and chain entries in
	size_table.
	(size_int_type_wide): New function.
	(size_binop): Validate types of arguments.
	(ssize_binop): Deleted.
	(size_diffop): New function.
	(extract_muldiv): Only fold division into multiplication for sizetypes.
	* function.c (assign_parms): Use size_diffop and make sure
	VAR field is of ssizetype; also pass proper type to size_binop.
	(locate_and_pad_parm, pad_to_arg_alignment): Likewise.
	(round_down): Deleted from here.
	* store-layout.c (sizetype_tab): Now an array.
	(sizetype_set, early_root_list): New variables.
	(variable_size): Use size_one_node.
	(round_up): Pass proper type to size_binop.
	(round_down): Moved to here and corrected as above.
	(layout_record): Pass proper arg types to size_binop.
	(layout_type): Likewise.
	If sizetype_set is zero, record the type just laid out.
	(make_unsigned_type): Don't call set_sizetype;
	(make_signed_type): Likewise; also, call fixup_signed_type.
	(initialize_sizetypes): New function.
	(set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
	set name of bitsizetype to "bit_size_type".
	Fix up type of sizes of all types made before call.
	* tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
	* tree.c (fix_sizetype): Deleted.
	(build_common_tree_nodes): Call initialize_sizetypes.
	(build_common_tree_nodes_2): Don't call fix_sizetype.
	* tree.h (TYPE_IS_SIZETYPE): New macro.
	(initialize_sizetype): New declaration.
	(enum size_type_kind): New type.
	(struct sizetype_tab): Deleted.
	(sizetype_tab): Now array; adjust sizetype macros.
	(size_diffop, size_int_type_wide): New functions.
	(size_int_wide): Change number of args and type; access macros changed.
	(ssize_int, sbitsize_int): New macros.
	* config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
	(ROUND_TYPE_SIZE_UNIT): New macro.
	* ch/actions.c (chill_convert_for_assignment): Don't use size_binop
	for things that aren't sizes.
	(expand_varying_length_assignment): Likewise.
	* ch/convert.c (digest_array_tuple, convert): Likewise.
	* ch/typeck.c (build_chill_slice, smash_dummy_type): Likewise.
	(build_chill_slice_with_range): Likewise.
	(build_chill_slice_with_length): Likewise.
	(build_array_from_set): Adjust types for size_binop.
	* ch/expr.c (build_concat_expr, build_chill_repetition_op): Likewise.
	(build_chill_sizeof): Use TYPE_SIZE_UNIT.
	* ch/tree.c (build_string_type): Pass proper type to size_binop.
	* cp/class.c (dfs_build_vtable_offset_vtbl_entries): Don't use
	size_binop on things that are not sizes; ssize_binop deleted.
	Call size_diffop when appropriate.
	(dfs_build_vcall_offset_vtbl_entries): Likewise.
	(build_primary_vtable, build_secondary_vtable): Likewise.
	(dfs_set_offset_for_unshared_vbases, dfs_modify_vtables): Likewise.
	Variable I is HOST_WIDE_INT.
	(get_vfield_offset): Pass proper types to size_binop.
	(size_extra_vtbl_entries, layout_virtual_bases): Likewise.
	(finish_struct_1): Likewise.
	(skip_rtti_stuff): Arg N is now pointer to signed.
	(layout_class_type): Use size_zero_node.
	* cp/cp-tree.h (skip_rtti_stuff): Arg N is pointer to signed.
	* cp/cvt.c (cp_convert_to_pointer): Pass proper types to size_binop.
	* cp/decl.c (complete_arry_type): Pass proper types to size_binop.
	(xref_basetypes): BINFO_OFFSET is sizetype.
	* cp/error.c (dump_expr): Don't use size_binop non-sizes.
	* cp/expr.c (cplus_expand_constant): Pass proper types to size_binop.
	* cp/init.c (construct_virtual_bases): Fix type error.
	(build_vec_delete_1): Pass proper type to size_binop and don't
	fold result.
	* cp/lex.c (cp_make_lang_type): BINFO_OFFSET is sizetype.
	* cp/rtti.c (get_base_offset): Pass proper type to size_binop.
	* cp/search.c (dfs_find_vbases): Fix type error.
	(expand_upcast_fixups): Arg to skip_rtti_stuff is pointer to signed.
	(dfs_get_vbase_types): BINFO_OFFSET is sizetype.
	* cp/tree.c (debug_binfo): Variable N is signed.
	Use HOST_WIDE_INT_PRINT_DEC.
	* cp/typeck.c (comptypes): sizetype is same as equivalent integer type.
	(c_sizeof, c_sizeof_nowarn, expr_sizeof): Use TYPE_SIZE_UNIT,
	size_one_node and size_zero_node.
	(c_alignof): Use size_one_node.
	(build_component_addr): Pass proper types to size_binop.
	(expand_ptrmemfunc_cst): Don't use size_binop on non-sizes.
	* f/com.c (ffecom_arrayref_): Convert args to size_binop to proper
	type.
	(ffecom_tree_canonize_ptr_): Don't use size_binop for non-sizes.
	(ffecom_tree_canonize_ref_): Likewise.
	(type_for_mode): Handle TImode.
	* f/ste.c (ffeste_io_dofio_, ffeste_io_douio_): Use TYPE_SIZE_UNIT.
	(ffeste_io_ciclist_): Likewise.
	* java/expr.c (build_java_ret): Pass proper type to size_binop.

From-SVN: r32225
2000-02-27 16:39:40 -05:00
Richard Kenner
06ceef4e7b c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
* c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
	* c-decl.c (duplicate_decls, finish_enum): Likewise.
	(finish_decl): Remove -Wlarger-than code from here.
	* flags.h (id_clash_len): Now int.
	(larger_than_size): Now HOST_WIDE_INT.
	* fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
	Clean up checking to see if in table.
	(make_bit_field_ref): Remove extra parm to bitsize_int.
	* ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
	* print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
	* stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
	and for computing size of decl.
	* stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
	Move -Wlarger-than code to here.
	(layout_record): Remove extra arg to bitsize_int.
	Set TYPE_BINFO_SIZE_UNIT.
	(layout_union): Remove extra arg to bitsize_int.
	Use proper type for size of QUAL_UNION.
	(layout_type): Remove extra arg to bitsize_int.
	* toplev.c (id_clash_len): Now int.
	(larger_than_size): Now HOST_WIDE_INT.
	(decode_W_option): Clean up id-clash and larger-than- cases.
	* tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
	(expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
	* tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
	(struct tree_decl): New field size_unit.
	(size_int_wide): No HIGH operand; NUMBER is now signed.
	(size_int_2): Deleted.
	(size_int, bitsize_int): Don't use it and rework args.
	* varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
	* ch/decl.c (layout_enum): Set DECL_SIZE_UNIT.
	* ch/satisfy.c (safe_satisfy_decl): Likewise.
	* cp/class.c (build_primary_vtable, layout_vtable_decl): Likewise.
	(avoid_overlap, build_base_field): Likewise.
	(build_base_field, build_base_fields, is_empty_class):
	Test DECL_SIZE with integer_zero.
	(layout_class_type): Set CLASSTYPE_SIZE_UNIT.
	* cp/cp-tree.h (struct lang_type): New field size_unit.
	(CLASSTYPE_SIZE_UNIT): New macro.
	* cp/decl.c (init_decl_processing): Set DECL_SIZE_UNIT.
	(cp_finish_decl): Delete -Wlarger-than processing.
	* cp/optimize.c (remap_decl): Walk DECL_SIZE_UNIT.
	* cp/pt.c (tsubst_decl): Set DECL_SIZE_UNIT.
	* cp/tree.c (make_binfo): binfo vector is one entry longer.
	(walk_tree): Walk DECL_SIZE_UNIT.
	* f/com.c (ffecom_sym_transform): Use DECL_SIZE_UNIT.
	(ffecom_transform_common_, ffecom_transform_equiv_): Likewise.
	(duplicate_decls): Likewise.
	(ffecom_tree_canonize_ptr_): Delete extra arg to bitsize_int.
	(finish_decl): Delete -Wlarger-than processing.
	* java/class.c (build_class_ref, push_super_field): Set DECL_SIZE_UNIT.
	* java/constants.c (build_constants_constructor): Likewise.

From-SVN: r32068
2000-02-19 20:11:00 -05:00
Richard Kenner
729a212576 combine.c (make_extraction, [...]): Avoid warning on mixed-signedness conditionals.
* combine.c (make_extraction, force_to_mode): Avoid warning on
	mixed-signedness conditionals.
	(make_field_assignment, nonzero_bits): Likewise.
	* expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
	(store_split_bit_field, extract_split_bit_field): Likewise.
	(extract_fixed_bit_field, store_bit_field,
	* expr.c: Change alignment to be unsigned everywhere.
	(move_by_pieces, store_constructor_field, store_constructor):
	Alignment parm is unsigned.
	(emit_block_move, emit_group_load, emit_group_store): Likewise.
	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
	(do_compare_rtx_and_jump): Likewise.
	(move_by_pieces_ninsns, clear_by_pieces): Likewise.
	Compare align with GET_MODE_ALIGNMENT.
	(expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
	(get_inner_reference): Likewise.
	(copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
	(expand_assignment): Local vars for alignment now unsigned.
	(store_constructor, store_field, expand_expr, do_jump): Likewise.
	(do_compare_and_jump): Likewise.
	(store_field): Call new function expr_align.
	* expr.h (emit_block_move, emit_group_load, emit_group_store):
	Alignment arg now unsigned.
	(clear_storage, emit_push_insn, compare_from_rtx): Likewise.
	(do_compare_rtx_and_jump, store_bit_field): Likewise.
	(extract_bit_field): Likewise.
	* fold-const.c (add_double): Add cast to eliminate signedness warning.
	* machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
	(get_best_mode): Alignment arg is unsigned.
	* rtl.h (move_by_pieces): Likewise.
	* store-layout.c (maximum_field_alignment, set_alignment):
	Now unsigned.
	(layout_decl): Alignment arg is now unsigned.
	Remove unneeded casts.
	(layout_record, layout_union, layout_type): Remove unneeded casts.
	Local alignment variables now unsigned.
	(get_best_mode): Alignment arg now unsigned.
	* tree.c (expr_align): New function.
	* tree.h (expr_align): Likewise.
	(maximum_field_alignment, set_alignment): Now unsigned.
	(get_inner_reference): Alignment argument is now pointer to unsigned.
	* varasm.c (assemble_variable): Add cast to eliminate warning.

From-SVN: r31904
2000-02-10 17:05:40 -05:00
Richard Kenner
c297a34efe expr.c (store_field): Ensure ALIGN is no stricter than the alignment of EXP.
* expr.c (store_field): Ensure ALIGN is no stricter than the
	alignment of EXP.

From-SVN: r31759
2000-02-02 08:04:50 -05:00
Richard Henderson
7913f3d028 tree.def (UNNE_EXPR): Remove.
* tree.def (UNNE_EXPR): Remove.
        * c-typeck.c (build_binary_op): Don't handle it.
        * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
        * cp/typeck.c (build_binary_op_nodefault): Likewise.

        * rtl.def (UNNE): Remove.
        (LTGT): Add.
        * jump.c (reverse_condition): Update accordingly.
        (swap_condition): Likewise.
        (comparison_dominates_p): Handle unordered comparisons.
        (reverse_condition_maybe_unordered): New.
        * rtl.h (reverse_condition_maybe_unordered): Declare.

        * sparc.c (select_cc_mode): Update for UNNE/LTGT.
        (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
        * sparc.h (REVERSIBLE_CC_MODE): Always true.  Update docs.
        * sparc.md (bltgt): New.

From-SVN: r31624
2000-01-25 18:06:21 -08:00
Richard Henderson
1eb8759b1b rtl.def: Add unordered fp comparisions.
* rtl.def: Add unordered fp comparisions.
        * tree.def: Likewise.
	* tree.h: Add ISO C 9x unordered fp comparision builtins.

	* builtins.c (expand_tree_builtin): New function.
	* c-typeck.c (build_function_call): Use it.
	(build_binary_op): Support unordered compares.
	* c-common.c (c_common_nodes_and_builtins): Add unordered compares.

	* combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
	(reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
	* cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
	(record_jump_equiv): Handle reverse_condition returning UNKNOWN.
	* jump.c (reverse_condition): Don't abort for UNLE etc, but
	return UNKNOWN.
	(swap_condition): Handle unordered compares.
	(thread_jumps): Check can_reverse before reversing.
	* loop.c (get_condition): Likewise.  Allow UNORERED/ORDERED to be
	reversed for FP.

	* optabs.c (can_compare_p): New argument CODE.  Verify branch or
	setcc is present before acking for cmp_optab.  Update all callers.
	(prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
	* expmed.c (do_cmp_and_jump): Update for can_compare_p.
	* expr.c (expand_expr): Likewise.  Support unordered compares.
	(do_jump, do_store_flag): Likewise.
	* expr.h (enum libfunc_index): Add unordered compares.

	* Makefile.in (FPBIT_FUNCS): Add _unord_sf.
	(DPBIT_FUNCS): Add _unord_df.
	* config/fp-bit.c (_unord_f2): New.
	* fp-test.c (main): Try unordered compare builtins.

	* alpha-protos.h (alpha_fp_comparison_operator): Declare.
	* alpha.c (alpha_comparison_operator): Check mode properly.
	(alpha_swapped_comparison_operator): Likewise.
	(signed_comparison_operator): Likewise.
	(alpha_fp_comparison_operator): New.
	(alpha_emit_conditional_branch): Handle unordered compares.
	* alpha.h (PREDICATE_CODES): Update.
	* alpha.md (fp compares): Use alpha_fp_comparison_operator.
	(bunordered, bordered): New.

	* cp/call.c (build_over_call): Use expand_tree_builtin.
	* cp/typeck.c (build_function_call_real): Likewise.
	(build_binary_op_nodefault): Handle unordered compares.

	* gcc.c-torture/execute/ieee/fp-cmp-4.c: New.

From-SVN: r31591
2000-01-24 12:10:04 -08:00
Kaveh R. Ghazi
711d877c9e eh-common.h: PROTO -> PARAMS.
* eh-common.h: PROTO -> PARAMS.
	* emit-rtl.c: Likewise.
	* errors.c: Likewise.
	* errors.h: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* explow.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* final.c: Likewise.
	* fix-header.c: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* gcc.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.

From-SVN: r31419
2000-01-14 17:14:43 +00:00
David Edelsohn
e1565e6588 expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters to default definition.
* expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
	to default definition.
	(store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
	(store_fixed_bit_field): Call macro with word_mode and alignment.
	(extract_bit_field): Call macro with relevant mode and alignment.
	* expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
	to default definition.
	(move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
	and alignment.
	(move_by_pieces_ninsns): Likewise.
	(clear_by_pieces): Likewise.
	(emit_push_insn): Likewise.
	(store_field): Call macro with relevant mode and alignment.
	(expand_expr): Likewise.
	(expand_expr_unaligned): Likewise.

	* rs6000.h (HANDLE_PRAGMA_PACK): Define.
	(SLOW_UNALIGNED_ACCESS): Define.
	(CASE_VECTOR_MODE): Always use 32-bit offsets.
	(ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
	(EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
	(toc_section): Likewise and .toc pseudo-op.
	(ASM_DECLARE_FUNCTION): Likewise.  Align text more strictly in
	64-bit mode.
	(TEXT_SECTION_ASM_OP): Likewise.
	(ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
	32-bit offsets.

	* a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
	* alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
	* fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.

From-SVN: r31211
2000-01-04 15:09:19 -05:00
Jeff Law
ccc50f7d72 Update copyrights
From-SVN: r31195
2000-01-04 01:10:30 -07:00
Mark Mitchell
13799af323 system.h (CEIL): Define.
* system.h (CEIL): Define.
	* builtins.c (CEIL): Remove.
	* expmed.c (CEIL): Likewise.
	* expr.c (CEIL): Likewise.
	* stor-layout.c (CEIL): Likewise.

From-SVN: r31167
2000-01-02 19:38:36 +00:00
Franz Sirl
0db5adc6fb expr.c (store_constructor_field): Fix typo introduced with last gcc2 merge.
* expr.c (store_constructor_field): Fix typo introduced with last
	gcc2 merge.

From-SVN: r31166
2000-01-02 13:13:37 +00:00
Richard Kenner
9376fcd631 expr.c (store_constructor): Don't call clear_storage if size is variable.
* expr.c (store_constructor): Don't call clear_storage if size is
	variable.

From-SVN: r31086
1999-12-24 12:27:36 -05:00
Richard Kenner
7205485e64 Fix typo in turned-off code
From-SVN: r31039
1999-12-20 17:55:38 -05:00
Richard Kenner
b701041288 expr.c (store_constructor): New argument SIZE; pass to clear_storage.
* expr.c (store_constructor): New argument SIZE; pass to clear_storage.
	(store_constructor_field, expand_expr): Pass new arg.

From-SVN: r31037
1999-12-20 15:29:36 -05:00
Bernd Schmidt
01d939e8fb current_function -> cfun
From-SVN: r31033
1999-12-20 13:18:17 +00:00
David S. Miller
235ae7be49 expr.c (emit_move_insn_1): Only emit clobbers if one of the outputs is a SUBREG.
* 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
1999-12-16 06:55:20 -08:00
Jakub Jelinek
8b725198ed * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
From-SVN: r30960
1999-12-15 17:36:26 +01:00
Richard Kenner
ce64861eed expr.c (store_constructor_field): If bit position is not multiple of alignment of TARGET's mode, use BLKmode.
* expr.c (store_constructor_field): If bit position is not multiple
	of alignment of TARGET's mode, use BLKmode.

From-SVN: r30713
1999-11-29 17:44:52 -05:00
Richard Kenner
a2b9916174 expr.c (expand_expr_unaligned): Add more code from full case that is needed when OP0 is in a register.
* expr.c (expand_expr_unaligned): Add more code from full case
	that is needed when OP0 is in a register.

From-SVN: r30712
1999-11-29 17:35:51 -05:00
Richard Kenner
9f887d05bb expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is known to be multiple of divisor.
* expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
	known to be multiple of divisor.

From-SVN: r30677
1999-11-27 09:55:36 -05:00
Richard Kenner
dd1db5ec31 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
From-SVN: r30676
1999-11-27 09:47:23 -05:00
Mark Mitchell
77fd6d104a * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
From-SVN: r30306
1999-11-01 04:08:54 +00:00
Richard Kenner
14a774a9d2 [multiple changes]
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
1999-10-31 20:11:22 -05:00
Catherine Moore
4fc026cde9 expr.c (emit_push_insn): New argument alignment_pad.
* expr.c (emit_push_insn): New argument alignment_pad.
        Update all callers.  Adjust stack pointer based on alignment pad.
        * function.c (pad_to_arg_alignment):  New argument alignment_pad.
        Update all callers.  Track alignment_pad if boundary > PARM_BOUNDARY.
        (locate_and_pad_parm): New argument alignment_pad.  Update all
        callers.
        * expr.h (emit_push_insn): Update prototype.
        (locate_and_pad_parm): Update prototype.
        * calls.c (arg_data):  Add new field alignment_pad.
        (initialize_argument_information): Initialize alignment_pad.

From-SVN: r30257
1999-10-29 11:23:41 -04:00
Kaveh R. Ghazi
b1474bb79e calls.c: Include tm_p.h later, so everything we need is defined.
* calls.c: Include tm_p.h later, so everything we need is defined.
        * expr.c: Likewise.
        * function.c: Likewise.

        * except.c: Include tm_p.h.

        * sparc.c: Likewise.
        (dwarf2out_cfi_label): Don't prototype.
        (check_return_regs, epilogue_renumber,
        ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
        ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
        ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
        ultra_schedule_insn): Add static prototype.
        (data_segment_operand, text_segment_operand): Call itself with the
        proper number of arguments.
        (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.

        * sparc.h: Move all declarations to sparc-protos.h.
        (SELECT_RTX_SECTION):  Pass a missing MODE argument to
        symbolic_operand.

        * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.

        * config/svr4.h (text_section, ctors_section, dtors_section): Add
        Prototypes.
        (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
        ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
        ASM_OUTPUT_ASCII): Constify a char*.

        * sparc-protos.h: New file for sparc prototypes.

cp:
        * expr.c: Include tm_p.h.

From-SVN: r30122
1999-10-21 16:58:33 +00:00
J"orn Rennecke
a59f86402f gcc toplevel:
* expr.c (store_constructor): Clear union if constructor is empty.
cp:
	* typeck2.c (process_init_constructor): Handle empty constructors.
testsuite:
	* g++.old-deja/g++.other/union2.C: New test.

From-SVN: r29956
1999-10-14 03:18:10 +01:00
Jason Merrill
6fbfac9226 expr.c (expand_expr, [...]): Set TREE_USED sooner.
* expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.

	* c-decl.c (finish_struct): Use simpler method of
	removing elements of a singly-linked list.

From-SVN: r29860
1999-10-07 20:10:09 -04:00
Bernd Schmidt
1c0290eaac Use cbranch patterns when available
From-SVN: r29613
1999-09-23 11:34:49 +00:00
Michael Meissner
405f63da1c Fix complex-5.c problem
From-SVN: r29604
1999-09-22 21:37:20 +00:00
Bernd Schmidt
6baf1cc8f8 Make it possible to prototype port-specific functions (and convert i386 to use this)
From-SVN: r29514
1999-09-20 10:00:03 +00:00
Mark Mitchell
8e91754ed4 stmt.c (expand_start_bindings): Allow callers to pass a flag indicating that no NOTE_INSN_BLOCK_BEG note is...
* stmt.c (expand_start_bindings): Allow callers to pass a flag
	indicating that no NOTE_INSN_BLOCK_BEG note is required.
	(expand_start_target_temps): Use it.
	* except.c (expand_eh_region_start_for_decl): Likewise.
	* expr.c (expand_expr): Likewise.

From-SVN: r29484
1999-09-17 22:01:23 +00:00
Richard Henderson
fa51b01b55 emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
* emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
        Free the struct.
        (mark_emit_status): Renamed from mark_emit_state.
        * except.c (mark_eh_status): Renamed from mark_eh_state.
        Check not null before marking.
        (free_eh_status): New.
        * expr.c (mark_expr_status, free_expr_status): New.
        * function.c (free_machine_status): New.
        (free_after_parsing): New.
        (free_after_compilation): Move bits to free_after_parsing; call
        free_eh_status, free_expr_status; zero the marked members of the
        function state.
        (prepare_function_start): No can_garbage_collect.
        Call init_eh_for_function.
        (expand_dummy_function_end): Free up current_function state.
        (mark_function_status): Renamed from mark_function_state.
        (mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
        * function.h (struct function): No can_garbage_collect.
        (free_machine_status, free_after_parsing): Declare.
        (free_eh_status, free_expr_status): Declare.
        * ggc.h (mark_expr_status): Declare.
        * stmt.c (free_stmt_status): Free the struct.
        (mark_stmt_status): Renamed from mark_stmt_state.
        (init_stmt): Don't call init_eh.
        (init_stmt_for_function): Don't call init_eh_for_function.
        * toplev.c (compile_file): Call init_eh.
        (rest_of_compilation): Free basic block info before ggc_collect.
        Call free_after_parsing; conditionally call free_after_compilation.
        * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
        Check not null before marking.

From-SVN: r29448
1999-09-15 18:12:25 -07:00
Mark Mitchell
19832c7774 calls.c (precompute_arguments): Fix typo in comment.
* calls.c (precompute_arguments): Fix typo in comment.
	* expr.c (preexpand_calls): Don't preexpand the cleanup in a
	TARGET_EXPR.

From-SVN: r29438
1999-09-15 17:21:35 +00:00
Richard Henderson
a995e389c4 Replace insn_foo with insn_data.foo.
From-SVN: r29358
1999-09-12 05:46:08 -07:00
Jeff Law
c5c7673583 Merge in gcc2-ss-010999
From-SVN: r29150
1999-09-06 23:49:18 -06:00
Richard Henderson
d7db664650 Makefile.in (stor-layout.o): Depend on ggc.h.
* Makefile.in (stor-layout.o): Depend on ggc.h.
	(expr.o): Depend on ggc.h.
	(profile.o): Depend on ggc.h.
	(stor-layout.o): Depend on ggc.h.
	* emit-rtl.c (init_emit_once): Add gc roots.
	* expr.c: Include ggc.h.
	(emit_block_move): Add gc roots.
	(clear_storage): Likewise.
	* expr.h (init_stor_layout_once): New function.
	* profile.c: Include ggc.h.
	(init_arc_profiler): profiler_label is a root.
	* scan.c (make_sstring_space): Trust xrealloc to function
	correctly with first parameter NULL.
	* stor-layout.c: Include ggc.h.
	(set_sizetype): Add gc root.
	(init_stor_layout_once): New function.
	* toplev.c (compile_file): Call it.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29122
1999-09-05 03:49:52 +00:00
Richard Henderson
e2bef702d6 dwarf2out.c (dwarf2out_line): Constify `lastfile'.
* dwarf2out.c (dwarf2out_line): Constify `lastfile'.
        * except.c (expand_rethrow): Remove unused variable.
        * expr.c (do_jump_by_parts_greater_rtx): Likewise.
        * flow.c (replace_insns): Likewise.
        (create_edge_list, verify_edge_list): Likewise.
        * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.

        * genemit.c (gen_expand): Only emit `operands[N]' decl if there
        is special code to run.
        (main): Don't define operands to emit_operand.
        * genrecog.c (main): Don't emit an empty peephole2_insn function.

        * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.

        * alpha/alpha.h (normal_memory_operand): Declare.
        (reg_no_subreg_operand): Declare.
        * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.

From-SVN: r29061
1999-09-02 10:29:25 -07:00
Nathan Sidwell
2ac84cfe01 expr.c (expand_expr): Cope with COND_EXPRs with one non-returning branch.
* expr.c (expand_expr): Cope with COND_EXPRs with one
	non-returning branch.

From-SVN: r28825
1999-08-24 16:49:12 -04:00
Mark Mitchell
1da93fe012 expr.c (store_expr): Always pass down the target, even when not doing CSE.
* expr.c (store_expr): Always pass down the target, even when not
	doing CSE.

From-SVN: r28824
1999-08-24 18:09:10 +00:00
Jeffrey A Law
d60eaeffd5 expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION call.
* expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
        call.

From-SVN: r28818
1999-08-24 02:48:27 -06:00
Bernd Schmidt
b30f05db01 Combined compare & jump infrastructure
From-SVN: r28752
1999-08-18 17:51:27 +00:00
Bernd Schmidt
49ad7cfa7a Include function.h in most files.
Include function.h in most files.  Remove most of the global variables
duplicated in function.h.  Add accessor macros for them which access
current_function.  Delete INLINE_HEADER rtx and related code, replace
with code using struct function to store inlining related data.

From-SVN: r28626
1999-08-09 14:00:21 +00:00
Jim Wilson
7c4a6db023 Allow PARALLEL return value for complex type represented as a CONCAT.
* expr.c (emit_group_load): Allow src to be a CONCAT.

From-SVN: r28546
1999-08-05 19:30:39 -07:00
Jason Merrill
2a94e396c6 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
From-SVN: r28511
1999-08-04 16:32:26 -04:00
Jason Merrill
a5efcd6370 expr.c (expand_expr, [...]): Get the mode from the tree for op1, not the rtl.
* expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
	tree for op1, not the rtl.

From-SVN: r28292
1999-07-27 06:23:05 -04:00
Richard Henderson
d3707adb79 builtins.c (expand_builtin_saveregs): Remove static, remove exp and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
* builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

From-SVN: r28243
1999-07-25 18:21:03 -07:00
Bernd Schmidt
28f4ec01e9 Break out builtin function expansion from expr.c
From-SVN: r28217
1999-07-22 11:04:58 +00:00
Jeff Law
7f401c745e Duh. INTVAL only wants the rtx, not an operand #.
From-SVN: r28072
1999-07-12 14:20:10 -06:00
Jeff Law
3ea744b25b * expr.c (expand_expr): Fix thinko in last change.
From-SVN: r28069
1999-07-12 11:25:20 -06:00
Jeff Law
ae2591ab41 Remove redundant definition of constant_part that slipped through.
From-SVN: r28067
1999-07-12 07:35:07 -06:00
Jeffrey A Law
cbbc503edd expr.c (expand_expr, [...]): Pass constants through immed_double_const to ensure they are properly truncated...
* expr.c (expand_expr, case PLUS_EXPR): Pass constants through
        immed_double_const to ensure they are properly truncated then
        sign extended.

From-SVN: r28066
1999-07-12 07:30:40 -06:00
Jeffrey A Law
f3dc586a42 expr.c (emit_block_move): Use copy_to_mode_reg for !TARGET_MEM_FUNCTIONS case too.
* expr.c (emit_block_move): Use copy_to_mode_reg for
        !TARGET_MEM_FUNCTIONS case too.

From-SVN: r27862
1999-06-30 17:06:18 -06:00
Jeff Law
fe7bbd2ae6 Fix typos (missing commas) in last change
From-SVN: r27849
1999-06-30 01:02:03 -06:00
Jeff Law
4bc973aedd expr.c (emit_block_move): Properly handle case where one of the block move arguments has a queued...
�
        * expr.c (emit_block_move): Properly handle case where one of the
        block move arguments has a queued increment or decrement.
        (clear_storage): Similarly.  Fix formatting goof.

From-SVN: r27822
1999-06-28 18:42:41 -06:00
Gavin Romig-Koch
6ab46dffd6 expr.c (expand_expr): Allow RTL_EXPR's through the MAX_INTEGER_COMPUTATION_MODE checks.
* expr.c (expand_expr): Allow RTL_EXPR's through the
	MAX_INTEGER_COMPUTATION_MODE checks.

From-SVN: r27768
1999-06-25 08:28:35 +00:00
Jason Merrill
5f652c070f expr.c (expand_expr): STRIP_NOPS before checking against MAX_INTEGER_COMPUTATION_MODE
* expr.c (expand_expr): STRIP_NOPS before checking against
	MAX_INTEGER_COMPUTATION_MODE
	(check_max_integer_computation_mode): Likewise.

From-SVN: r27715
1999-06-22 20:49:46 -04:00
Jim Wilson
3dbecef9bc Fix for abort when PROMOTE_MODES defined but PROMOTE_FUNCTION_{ARG,RETURN} not.
* expr.c (store_expr): When target is a promoted subreg, return a
	promoted subreg as a result.

From-SVN: r27705
1999-06-22 07:39:07 -07:00
Mark Mitchell
c15398de77 tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match reality.
* tree.def (TYPE_NONCOPIED_PARTS): Revise documentation to match
        reality.
        * expr.c (init_noncopied_parts): Don't generate initializers for
        parts that don't need them.

From-SVN: r26969
1999-05-17 07:21:14 +00:00
Craig Burley
41af162ca7 disable maintenance of errno
From-SVN: r26897
1999-05-12 00:38:14 -04:00
Mark Mitchell
5c7a310f81 emit-rtl.c (start_sequence): Expand comments.
* emit-rtl.c (start_sequence): Expand comments.
	(start_sequence_for_rtl_expr): Likewise.
	(push_to_sequence): Likewise.
	(end_sequence): Likewise.
	* expr.c (inhibit_defer_pop): Likewise.
	* expr.h (inhibit_defer_pop): Likewise.
	(NO_DEFER_POP): Likewise.
	(OK_DEFER_POP): Likewise.

From-SVN: r26704
1999-04-29 23:01:29 +00:00
Zack Weinberg
76bbe0281d expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
1999-04-27 08:32 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
	(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.

From-SVN: r26673
1999-04-27 05:34:43 +00:00
Mumit Khan
6a9c4aed1a function.c (put_var_into_stack): Change ptr_mode to Pmode in setup for chkr_set_right_libfunc calls.
* function.c (put_var_into_stack): Change ptr_mode to Pmode
        in setup for chkr_set_right_libfunc calls.
        (assign_params): Likewise.
        * expr.c (emit_push_insn): Change ptr_mode to Pmode in
        setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
        (expand_assignment): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (store_expr): Change ptr_mode to Pmode in
        setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
        (expand_expr): Change ptr_mode to Pmode in
        setup for chkr_check_addr_libfunc.
        (expand_builtin): Change ptr_mode to Pmode in
        setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
        chkr_check_addr_libfunc.
        * calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
        setup for chkr_check_exec_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (expand_call): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.
        (store_one_arg): Change ptr_mode to Pmode in
        setup for chkr_set_right_libfunc.

Co-Authored-By: Donn Terry <donn@interix.com>

From-SVN: r26664
1999-04-26 16:51:09 -06:00
Donn Terry
ab40f61225 * expr.c (expand_assignment): Improve test for pointer type.
From-SVN: r26634
1999-04-25 18:39:01 -06:00
Donn Terry
6419e5b063 expr.c (expand_assignment): Force pointers to proper mode if POINTERS_EXTEND_UNSIGNED is defined.
* expr.c (expand_assignment): Force pointers to proper mode if
        POINTERS_EXTEND_UNSIGNED is defined.

From-SVN: r26484
1999-04-15 16:52:22 -06:00
Jeffrey A Law
efd07ca794 expr.c (expand_expr, [...]): Do not try to optimize a aggregate address which has VOIDmode.
* expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
        Do not try to optimize a aggregate address which has VOIDmode.
        Mirrors March 23 change to expand_assignment.

From-SVN: r26307
1999-04-08 19:35:36 -06:00
Richard Henderson
d22cba0ade expr.c (expand_builtin): Use copy_to_mode_reg; don't force constants into a register.
* expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
        copy_to_mode_reg; don't force constants into a register.

From-SVN: r26231
1999-04-06 19:14:06 -07:00
Richard Henderson
89c846727b expr.c (expand_builtin_setjmp): Put setjmp return label on nonlocal_goto_handler_labels for flow.
* expr.c (expand_builtin_setjmp): Put setjmp return label on
        nonlocal_goto_handler_labels for flow.

From-SVN: r26225
1999-04-06 15:10:24 -07:00
Michael Hayes
6e01bd94f8 tm.texi (USE_LOAD_POST_DECREMENT, [...]): Document.
* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
	* rtl.h	(USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
	USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
	definition.
	* expr.c: (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
	definition.

From-SVN: r26134
1999-04-02 15:39:55 +00:00
Jim Wilson
6ab06cbb5b Fix irix6 libstdc++ v3 build failure with complex types.
* expr.c (store_field): When check direct_store, assume all complex
	modes can be directly stored.

From-SVN: r26104
1999-04-01 04:05:24 -08:00
Jeffrey A Law
9a7b9f4f06 expr.c (expand_assignment): Do not try to optimize a aggregate address which has VOIDmode.
* expr.c (expand_assignment): Do not try to optimize a aggregate
        address which has VOIDmode.

From-SVN: r25934
1999-03-23 15:33:35 -07:00
Martin v. Löwis
68557e1473 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
From-SVN: r25864
1999-03-19 14:26:50 +00:00
Kaveh R. Ghazi
91813b2835 Warning fixes:
* calls.c (initialize_argument_information): Mark parameters
        `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
        * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
        `filename'.
        (dbxout_finish): Likewise for parameters `file' and `filename'.
        (dbxout_prepare_symbol): Likewise for parameter `decl'.
        (dbxout_begin_function): Likewise.
        * explow.c (hard_function_value): Likewise for parameter `func'.
        * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
        * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
        * expr.c (expand_expr): Likewise.
        * expr.h (expand_abs): Delete unused argument from prototype.
        * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
        * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
        (sdbout_end_block): Likewise for parameter `n'.
        * toplev.c (debug_define): Likewise for parameters `lineno' and
        `buffer'.
        (debug_undef): Likewise.
        * varasm.c (named_section): Likewise for parameter 'reloc'.
        (assemble_external): Likewise for parameter `decl'.
        (assemble_alias): Likewise for parameter `target'.

From-SVN: r25858
1999-03-19 08:50:14 +00:00
Jeffrey A Law
6bcd94ae80 expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than MAX_INTEGER_COMPUTATION_MODE.
* expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
        MAX_INTEGER_COMPUTATION_MODE.

From-SVN: r25714
1999-03-11 17:02:32 -07:00
Per Bothner
b335b813b5 tree.def (TRY_FINALLY_EXPR, [...]): New tree nodes,
h
	* tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR):  New tree nodes,
	* expr.c (expand_expr):  Support new tree nodes.

From-SVN: r25308
1999-02-19 03:19:30 -08:00
Jeffrey A Law
c5d5d46141 except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
* except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
        * explow.c (probe_stack_range): Likewise.
        * expmed.c (do_cmp_and_jump): Likewise.
        * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
        (do_tablejump): Likewise.
        * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
        (do_jump_if_equal, emit_case_nodes): Likewise.
        * optabs.c (emit_cmp_and_jump_insns): Clarify comments.  If UNSIGNEDP,
        then convert comparison to an unsigned code before emitting the jump.
        (expand_float, expand_fix): Use emit_cmp_and_jump_insns.

From-SVN: r25205
1999-02-14 13:08:39 -07:00
Richard Henderson
acd693d10c output.h (current_function_has_computed_jump): Rename from current_function_addresses_labels.
* output.h (current_function_has_computed_jump): Rename from
        current_function_addresses_labels.
        * function.h (struct function): Likewise for addresses_labels member.
        * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
        * function.c (current_function_has_computed_jump): Likewise.
        Update all references.
        * integrate.c (function_cannot_inline_p):
        Test current_function_has_computed_jump instead of addresses_labels.
        (initialize_for_inline): Likewise save.
        (output_inline_function): Likewise restore.
        * expr.c (expand_expr): Don't reference addresses_labels variables.
        * stmt.c (expand_computed_goto): Set has_computed_jump.

From-SVN: r25100
1999-02-08 13:39:33 -08:00
Jeffrey A Law
ab87f8c8d1 Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog for
details.

From-SVN: r24879
1999-01-26 18:43:17 -07:00
Andrew MacLeod
15914757c6 * expr.c (emit_push_insn): Fix Dumb Typo.
From-SVN: r24811
1999-01-21 20:50:56 +00:00
Andrew MacLeod
fbe1758db2 expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use move_by_pieces.
* expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
	move_by_pieces.
	(MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
	(USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
	(move_by_pieces): Use new macros.
	(emit_block_move): Use new macros.
	(clear_by_pieces): Use new macros.
	(clear_storage): Use new macros.
	(emit_push_insn): Use new macros.
	(expand_expr): Use new macros.
	* config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
	Define.
	(USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
	(MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
	(MOVE_MAX_PIECES): move 8 bytes on SH4.
	* tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
	USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
	USE_STORE_PRE_DECREMENT): Describe new macros.

From-SVN: r24801
1999-01-21 11:33:44 +00:00
Richard Henderson
ee5332b81a cse.c (fold_rtx): Revert 29 Dec change.
* cse.c (fold_rtx): Revert 29 Dec change.
        (cse_insn): Revert 12 Jan change.
        * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
        * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
        * rtl.def: Likewise.
        * rtl.h (CONSTANT_P): Likewise.
        * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
        to memory.
        * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
        * alpha.c (input_operand): Likewise.
        * c4x.c (const_operand): Likewise.
        * explow.c (allocate_dynamic_stack_space): Use register_operand
        instead of arith_operand, which does not exist.
        * 1750a.h: Fix comment closure.
        * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
        * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
        * arm.h (TARGET_SWITCHES): Fix typo.
        * i370.md (anon mult and div patterns): Fix set mode mismatch.
        * i860.c (output_delayed_branch): Fix operands to constrain_operands.
        (output_delay_insn): Likewise.
        * m88k.md (anon rotate insns): Fix set mode mismatch.
        (anon BLKmode moves): Commonize and fix set mode mismatches.
        * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
        * romp.md (movdf): Fix typo.

From-SVN: r24796
1999-01-20 18:21:28 -08:00
Richard Henderson
70f8a7a13f Update comment to match code.
From-SVN: r24785
1999-01-20 01:15:00 -08:00
Richard Henderson
d804ed43d0 expr.c (do_jump_for_compare): Handle conditional branch expanders emitting multiple jump instructions.
* expr.c (do_jump_for_compare): Handle conditional branch expanders
        emitting multiple jump instructions.
        * jump.c (condjump_label): New function.
        * rtl.h (condjump_label): Declare it.

From-SVN: r24773
1999-01-19 13:30:48 -08:00
Richard Henderson
c14c652997 expr.c (emit_move_insn_1): Revert 17 Dec change.
* expr.c (emit_move_insn_1): Revert 17 Dec change.  Don't emit
        clobber during or after reload.

From-SVN: r24772
1999-01-19 13:11:00 -08:00
Mark Mitchell
c6df88cbec rtl.h (rtx_def): Update documentation.
* rtl.h (rtx_def): Update documentation.
	(MEM_IN_STRUCT_P): Likewise.
	(MEM_SCALAR_P): New macro.
	(MEM_COPY_ATTRIBUTES): Likewise.
	(MEM_SET_IN_STRUCT_P): Likewise.
	* rtl.texi (MEM_SCALAR_P): Document.
	* alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
	(fixed_scalar_and_varying_struct_p): New function.  Use
	MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
	(aliases_everything_p): Likewise.
	(true_dependence): Use them.
	(write_dependence_p): New function, containing code common to
	anti_dependence and output_dependence.
	(anti_dependence): Use it.
	(output_dependence): Likewise.
	* calls.c (save_fixed_argument_area): Don't clear
	MEM_IN_STRUCT_P.
	(expand_call): Use MEM_SET_IN_STRUCT_P.
	(emit_library_call): Don't clear MEM_IN_STRUCT_P.
	(emit_library_call_value): Likewise.
	(store_one_arg): Use MEM_SET_IN_STRUCT_P.
	* combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
	(make_extraction): Likewise.
	(simplify_shift_const): Likewise.
	(gen_lowpart_for_combine): Likewise.
	* cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
	* emit-rtl.c (operand_subword): Likewise.
	(change_address): Likewise.
	* explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
	* expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
	(emit_group_store): Use MEM_SET_IN_STRUCT_P.
	(copy_blkmode_from_reg): Likewise.
	(store_field): Likewise.
	(expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
	heuristically.  Use MEM_SET_IN_STRUCT_P.
	(get_memory_rtx): Likewise.
	* final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
	* function.c (assign_stack_temp): Clear MEM_SCALAR_P and
	MEM_ALIAS_SET on newly returned MEMs.
	(assign_temp): Use MEM_SET_IN_STRUCT_P.
	(put_reg_into_stack): Likewise.
	(fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
	(gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
	(assign_parms): Likewise.
	(expand_function): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	(copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
	* loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
	* optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
	* print-rtl.c (print_rtx): Print /f for frame_related.
	* recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
	* reload1.c (reload): Copy MEM_SCALAR_P as well.
	* stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
	(expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
	* varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
	(output_constant_def): Likewise.
	* a29k.c (a29k_set_memflags_1): Take scalar_p.
	Set MEM_SCALAR_P.
	(a29k_set_memflags): Use it.
	* alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
	* c4x.c (c4x_scan_for_ld): Likewise.
	* h8300.c (fix_bit_operand): Likewise.
	* m88k.c (legitimize_address): Likewise.
	(block_move_loop): Likewise.
	(block_move_no_loop): Likewise.
	(block_move_sequence): Likewise.
	(m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
	* rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
	* sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* arm.h (arm_gen_load_multiple): Take scalar_p.
	(arm_store_load_multiple): Likewise.
	* arm.c (arm_gen_load_multiple): Likewise.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.

From-SVN: r24759
1999-01-19 10:32:33 +00:00
Richard Henderson
1f06ee8d0d expr.c (queued_subexp_p): Make public.
* expr.c (queued_subexp_p): Make public.
        * expr.h (queued_subexp_p): Declare it.
        * recog.c (asm_operand_ok): New function.
        (check_asm_operands): Use it.  After reload, use constrain_operands
        instead.
        * recog.h (asm_operand_ok): Declare it.
        * stmt.c (expand_asm_operands): Use it to try harder to make
        asms initially satisfy their constraints.

From-SVN: r24686
1999-01-15 10:43:47 -08:00
Jeff Law
fdf004cfcb Fix copyrights.
From-SVN: r24531
1999-01-06 13:02:36 -07:00
Richard Henderson
44d22bef0a expr.c (expand_builtin): Use value_mode for the return mode.
* expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
        value_mode for the return mode.

From-SVN: r24525
1999-01-06 10:51:30 -08:00
Charles M. Hannum
12f06d174c expr.c (store_expr): If the lhs is a memory location pointed to be a postincremented (or...
�
        * expr.c (store_expr): If the lhs is a memory location pointed
        to be a postincremented (or postdecremented) pointer, always
        force the rhs to be evaluated into a pseudo.

From-SVN: r24507
1999-01-05 18:28:56 -07:00
Richard Henderson
185ebd6c71 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
* rtl.def (CONSTANT_P_RTX): Clarify commentary.
        * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
        consider constant CONSTRUCTOR constant and to defer some cases
        to cse.
        * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
        * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
Richard Henderson  <rth@cygnus.com>
        * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
        * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.

From-SVN: r24439
1998-12-29 03:36:22 -08:00
Nick Clifton
b2e7e6fb8a Do not generate CLOBBERs for non-pseudo regs.
From-SVN: r24364
1998-12-17 14:02:32 +00:00
Jeffrey A Law
940da3246d cse.c (fold_rtx): Make autoincrement addressing mode tests be runtime selectable.
* cse.c (fold_rtx): Make autoincrement addressing mode tests be
        runtime selectable.
        * expr.c (move_by_pieces): Similarly.
        (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
        * flow.c (find_auto_inc): Similarly.
        (try_pre_increment): Similarly.
        * loop.c (strength_reduce): Similarly.
        * regclass.c (auto_inc_dec_reg_p): Similarly.
        * regmove.c (try_auto_increment): Similarly.
        (fixup_match_1): Similarly.
        * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
        (HAVE_PRE_DECREMENT): Similarly.
        (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
        sponding changes to all target header files.

From-SVN: r23837
1998-11-24 16:15:19 -07:00
Bernd Schmidt
c795bca923 expr.c (STACK_BYTES): Delete unused macro.
* expr.c (STACK_BYTES): Delete unused macro.
	* calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	(expand_call): Likewise.
	(emit_library_call): Likewise.
	(emit_library_call_value): Likewise.
	* function.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	* explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
	(round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
	(allocate_dynamic_stack_space): Likewise.
	* tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
	(STACK_BOUNDARY): Update description to reflect the new situation.

From-SVN: r23730
1998-11-19 15:47:55 -07:00
J"orn Rennecke
f3f2255a8c expr.c (store_expr): Don't generate load-store pair if TEMP is identical (according to ==) with TARGET.
* expr.c (store_expr): Don't generate load-store pair
	if TEMP is identical (according to ==) with TARGET.

From-SVN: r23696
1998-11-18 14:15:03 +00:00
Nick Clifton
2b28d92ef6 Add code written by rth to generate use shifts to perform an extension if no
suitable extend patterns can be found.

From-SVN: r23398
1998-10-28 10:30:46 +00:00
Jason Merrill
fdc46fbe65 expr.c (pending_chain): Move up.
* expr.c (pending_chain): Move up.
	(save_expr_status): Do save pending_chain.
	(restore_expr_status): And restore it.
	* function.h (struct function): Add pending_chain.

From-SVN: r23241
1998-10-22 22:18:53 -04:00
Kaveh R. Ghazi
c84e271261 Warning fixes:
* Makefile.in (gencheck.o): Depend on gansidecl.h.
	* c-common.c (print_char_table): Add missing initializers.
	(scan_char_table): Likewise.
	(time_char_table): Likewise.
	* c-decl.c (c_decode_option): Mark parameter `argc' with
	ATTRIBUTE_UNUSED.
	(declare_parm_level): Mark parameter `definition_flag' with
	ATTRIBUTE_UNUSED.
	* c-lex.c (readescape): Use `(unsigned)1' in shift.
	(yylex): Likewise.  Cast `sizeof' to an (int) when comparing
	against one.
	* calls.c (store_one_arg): Remove unused parameter `fndecl'.  All
	callers changed.
	(emit_call_1): Mark parameters `fndecl' and `funtype' with
	ATTRIBUTE_UNUSED.
	(expand_call): Cast result of MIN() to (unsigned int) when
	comparing against an unsigned value.
	* cccp.c (pcfinclude): Remove unused parameter `limit'.  All
	callers changed.
	(make_definition): Remove unused parameter `op'.  All callers
	changed.
	(create_definition): Cast REST_EXTENSION_LENGTH to (long) when
	comparing against the result of pointer arithmetic.
	* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
	when comparing against one.
	* dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
 	HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
 	one.
	(output_die): Move variable `i' into the scope in which it is
	used.  Change its type to `unsigned'.
	(output_die): Cast the result of `strlen' to (int) when passing it
	to ASM_OUTPUT_ASCII().
	(output_pubnames): Likewise.
	(output_line_info): Likewise.
	* emit-rtl.c (global_rtl): Add missing initializers.
	* explow.c (promote_mode): Mark parameter `for_call' with
	ATTRIBUTE_UNUSED.
	* expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
 	`unsigned HOST_WIDE_INT' when comparing against one.
	(synth_mult): Change type of variable `cost' to int.
	(emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
	* expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
	when comparing against one.
	(get_inner_reference): Change variable `alignment' to unsigned.
	(expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
	int) when comparing against one.
	(expand_builtin_setjmp): Change type of variable `i' to size_t.
	* fold-const.c (div_and_round_double): Cast BASE to
	(HOST_WIDE_INT) when comparing against one.
	* gencheck.c: Include gansidecl.h.
	(main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
	* optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
	`tcode' with ATTRIBUTE_UNUSED.
	* real.c (edivm): Cast constant value to (unsigned long) in
	expression compared against an unsigned value.
	* stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
	comparing against one.
	(expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
	when comparing against one.
	* stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
	(unsigned int) when comparing against one.  Likewise for
	GET_MODE_BITSIZE.
	(smallest_mode_for_size): Likewise.
	(save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
	(restore_storage_status): Likewise.
	* toplev.c (debug_args): Add missing initializer.
	(f_options): Spelling correction.  Add missing initializers.
	(documented_lang_options): Likewise.
	(debug_end_source_file): Mark parameter `lineno' with
	ATTRIBUTE_UNUSED.
	* tree.c (valid_machine_attribute): Mark parameters `attr_args',
	`decl' and `type' with ATTRIBUTE_UNUSED.
	* varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
	when comparing against one.
	(assemble_variable): Mark parameter `top_level' with
	ATTRIBUTE_UNUSED.
	(assemble_external_libcall): Mark parameter `fun' with
	ATTRIBUTE_UNUSED.
	(output_constant_pool): Mark parameters `fnname' and `fndecl' with
	ATTRIBUTE_UNUSED.

From-SVN: r23054
1998-10-13 15:25:25 +00:00
Herman A.J. ten Brugge
e1a9b2ab4f expr.c (push_block): Handle targets where the stack grows to higher addresses...
* expr.c (push_block): Handle targets where the stack grows
        to higher addresses, but args grow to lower addresses and
        ACCUMULATE_OUTGOING_ARGS is not defined.

From-SVN: r23046
1998-10-13 04:08:10 -06:00
Ken Raeburn
7d384cc0b3 Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage attribute.
Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage
attribute.  Misc minor bugfixes and tests for it too.

From-SVN: r22983
1998-10-11 02:21:54 +00:00
Jim Wilson
10a9f2beac Fix for irix6 -O0 bug, see testcase gcc.c-torture/compile/981007-1.c.
* expr.c (emit_group_store): Handle a PARALLEL destination.

From-SVN: r22893
1998-10-07 05:12:21 -07:00
Alexandre Petit-Bianco
70e6ca43a3 tree.def (GOTO_EXPR): Modified documentation.
8
	* tree.def (GOTO_EXPR): Modified documentation.
	* expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
 	goto.

From-SVN: r22859
1998-10-05 15:36:16 -07:00
Gavin Romig-Koch
c36fce9a42 calls.c (expand_call): Encapsulate code into copy_blkmode_from_reg.
* calls.c (expand_call) : Encapsulate code into
	copy_blkmode_from_reg.
	* expr.c (copy_blkmode_from_reg): New function.
	* expr.h (copy_blkmode_from_reg): New function.
	* integrate.c (function_cannot_inline_p): We can inline
	these now.
	(expand_inline_function): Use copy_blkmode_from_reg
	if needed.  Avoid creating BLKmode REGs.
	(copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
	object.

From-SVN: r22714
1998-10-01 13:00:21 +00:00
Jeffrey A Law
ee06cc21bf expr.c (expand_expr): Handle COMPONENT_REF...
* expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
        and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.

From-SVN: r22666
1998-09-30 02:59:18 -06:00
Mark Mitchell
ece320145f c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs and ARRAY_TYPEs.
* c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
	and ARRAY_TYPEs.  Tidy up.  Improve support for type-punning.
	* expr.c (store_field): Add alias_set parameter.  Set the
	MEM_ALIAS_SET accordingly, if the target is a MEM.
	(expand_assignment): Use it.
	(store_constructor_field): Pass 0.
	(expand_expr): Likewise.

From-SVN: r22620
1998-09-28 07:44:12 +00:00
J"orn Rennecke
34c7390981 expr.c (store_constructor): When initializing a field that is smaller than a word...
* expr.c (store_constructor): When initializing a field that is smaller
	than a word, at the start of a word, try to widen it to a full word.
	* cse.c (cse_insn): When we are about to change a register,
	remove any invalid references to it.
	(remove_invalid_subreg_refs): New function.
	(mention_regs): Special treatment for SUBREGs.
	(insert_regs): Don't strip SUBREG for call to mention_regs.
	Check if reg_tick needs to be bumped up before that call.
	(lookup_as_function): Try to match known word_mode constants when
	looking for a norrower constant.
	(canon_hash): Special treatment for SUBREGs.

From-SVN: r22567
1998-09-24 10:59:41 +01:00
Richard Henderson
710384268d tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.
* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.  Kill.
	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	* c-decl.c (init_decl_processing): Update accordingly.
	* expr.c (expand_builtin): Likewise.
	* cp/decl.c (init_decl_processing): Likewise.
	* rtl.h (global_rtl): Add cfa entry.
	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	(LAST_VIRTUAL_REGISTER): Update.
	* emit-rtl.c (global_rtl): Add cfa entry.
	(init_emit): Initialize it.
	* function.c (cfa_offset): New.
	(instantiate_virtual_regs): Initialize it.
	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	(expand_function_end): Call expand_eh_return.
	* tm.texi (ARG_POINTER_CFA_OFFSET): New.
	* except.c (current_function_eh_stub_label): Kill.
	(current_function_eh_old_stub_label): Likwise; update all references.
	(expand_builtin_set_return_addr_reg): Kill.
	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	(expand_builtin_set_eh_regs): Kill.
	(eh_regs): Produce a third reg for the actual handler address.
	(eh_return_context, eh_return_stack_adjust): New.
	(eh_return_handler, eh_return_stub_label): New.
	(init_eh_for_function): Initialize them.
	(expand_builtin_eh_return, expand_eh_return): New.
	* except.h: Update prototypes.
	* flow.c (find_basic_blocks_1): Update references to the stub label.
	* function.h (struct function): Kill stub label elements.
	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	register number is one that would be in the previous window.
	Provide a dummy definition for non-windowed targets.
	(get_reg_addr): New function.
	(get_reg, put_reg, copy_reg): Use it.
	(__throw): Rely on in_reg_window, not INCOMING_REGNO.  Kill stub
	generating code and use __builtin_eh_return.  Use __builtin_dwarf_cfa.
	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	(alpha_init_expanders): Initialize it.
	(alpha_expand_epilogue): Use it.
	* alpha.h: Declare it.
	* alpha.md (eh_epilogue): New.
	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	* sparc.h (ARG_POINTER_CFA_OFFSET): New.

From-SVN: r22436
1998-09-15 12:19:12 -07:00
Hans-Peter Nilsson
7e24ffc924 expr.c: Corrected comment about what MOVE_RATIO does.
* expr.c: Corrected comment about what MOVE_RATIO does.
        * config/alpha/alpha.h: Ditto.
        * config/1750a/1750a.h: Ditto.
        * config/clipper/clipper.h: Ditto.
        * config/i386/i386.h: Ditto.

From-SVN: r22339
1998-09-08 16:48:00 -06:00
Hans-Peter Nilsson
9862dea924 expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use consistent.
* expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
        consistent.
        * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
        *sequences* *below* which scalar moves will be used.

From-SVN: r22107
1998-08-30 13:21:22 -06:00
Alexandre Petit-Bianco
f42e28dd5f tree.def (LABELED_BLOCK_EXPR, [...]): New tree nodes.
�
	* tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
  	* tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
 	EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
 	macros.
	* expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
 	EXIT_BLOCK_EXPR.

From-SVN: r21897
1998-08-21 12:32:19 -07:00
Jeffrey A Law
52cf711504 expr.c (emit_block_move): Do not call memcpy as a libcall instead build up a CALL_EXPR and call it like...
* expr.c (emit_block_move): Do not call memcpy as a libcall
        instead build up a CALL_EXPR and call it like any other
        function.
        (clear_storage): Similarly for memset.

From-SVN: r21831
1998-08-18 11:49:28 -06:00
Jeffrey A Law
2e245dac40 expr.c (move_by_pieces): No longer static.
* expr.c (move_by_pieces): No longer static.  Remove prototype.
        * rtl.h (move_by_pieces): Add extern prototype.
        * mips.c (expand_block_move): Handle aligned straight line copy by
        calling move_by_pieces.

From-SVN: r21794
1998-08-17 10:37:49 -06:00
Jeff Law
ce3c0b5314 expr.c (expand_expr): Allow assignments from TImode PARM_DECLs and VAR_DECLs.
8
        * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
        and VAR_DECLs.

From-SVN: r21784
1998-08-17 04:50:00 -06:00
J"orn Rennecke
6036acbbf2 expr.c (store_expr): Don't optimize away load-store pair when either source or destination have a...
* expr.c (store_expr): Don't optimize away load-store pair
	when either source or destination have a side effect.

From-SVN: r21732
1998-08-14 14:58:02 +01:00
Jason Merrill
ff59bfe6b2 expr.c (safe_from_p): Change code to ERROR_MARK only when not accessing nodes.
* expr.c (safe_from_p): Change code to ERROR_MARK only when not
	accessing nodes.
	* toplev.c (display_help): Add braces to shut up warnings.
	* fold-const.c (non_lvalue): Don't deal with null pointer
	constants here.
	(fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.

From-SVN: r21698
1998-08-13 12:12:55 -04:00
Dave Brolley
74a4fbfcc8 stor-layout.c (layout_type): Handle arrays of bits, for Chill.
Mon Jul 27 17:18:52 1998  Dave Brolley  <brolley@cygnus.com>
	* stor-layout.c (layout_type): Handle arrays of bits, for Chill.
	* expr.c (get_inner_reference): Handle zero-based, unsigned, array
	index conversion.

From-SVN: r21416
1998-07-27 10:37:00 -04:00
Jeffrey A Law
71bca5068d expr.c (check_max_integer_computation_mode): Allow conversions of constant integers to MAX_INTEGER_COMPUTATION_MODE.
* expr.c (check_max_integer_computation_mode): Allow conversions
        of constant integers to MAX_INTEGER_COMPUTATION_MODE.
        (expand_expr): Likewise.

From-SVN: r21349
1998-07-23 06:51:00 -06:00
Alexandre Petit-Bianco
6e7f84a732 expr.c (expand_expr): Expand RETURN_EXPR.
8
	* expr.c (expand_expr): Expand RETURN_EXPR.

From-SVN: r21347
1998-07-23 05:09:39 -07:00
Jeffrey A Law
b5f881570b expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address is not varying for...
* expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
        is not varying for REFERENCE_TYPE or when we think we might have found
        an optimized access to the first element in an array.

From-SVN: r21099
1998-07-13 03:26:59 -06:00
J"orn Rennecke
41b083c42e expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN to the first insn of the sequence.
* expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
	to the first insn of the sequence.

From-SVN: r20997
1998-07-07 14:26:49 +01:00
Richard Henderson
aac5cc1620 expr.c (emit_group_load, [...]): Rewrite considering the size and alignment of the structure being manipulated.
* expr.c (emit_group_load, emit_group_store): Rewrite considering
        the size and alignment of the structure being manipulated.
        * expr.c, calls.c, function.c: Update all callers.
        * expr.h: Update prototypes.
        * cse.c (invalidate): Cope with parallels.

From-SVN: r20867
1998-06-30 22:10:51 -07:00
Richard Henderson
822a3443ec expr.c (expand_assignment, [...]): Use convert_memory_address instead of convert_to_mode when possible.
* expr.c (expand_assignment, store_constructor, expand_expr): Use
        convert_memory_address instead of convert_to_mode when possible.

From-SVN: r20865
1998-06-30 21:13:55 -07:00
Richard Henderson
cff48d8f76 rtl.def (CONSTANT_P_RTX): New.
* rtl.def (CONSTANT_P_RTX): New.
        * rtl.h (CONSTANT_P): Recognize it.
        * cse.c (fold_rtx): Eliminate it.
        * expr.c (can_handle_constant_p): New variable.
        (init_expr_once): Initialize it.
        (expand_builtin): Generate CONSTANT_P_RTX if the expression is not
        immediately recognizable as a constant.

From-SVN: r20846
1998-06-30 09:19:11 -07:00
Jeff Law
9ec36da574 * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for
details.

From-SVN: r20808
1998-06-29 15:40:49 -06:00
Kaveh R. Ghazi
4f70758f37 Warning fixes:
* Makefile.in (fix-header): Don't needlessly depend on cpperror.o.
        * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to
        void since it is evaluated in a comma list.
        * mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM'
        argument as a long and cast `NUM' to long to ensure it is of the
        proper width.  Wrap macro arguments in parens when they appear in
        the expansion.
        * sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
        * sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
        (ASM_DECLARE_RESULT): Fix fprintf format specifier to match
        function argument return type.
        (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P,
        REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'.
        * cpplib.c (cpp_message_from_errno): Remove unneeded argument to
        cpp_message.
        * dbxout.c: Fix the comments after an #endif to reflect the actual
        condition tested in the preceding #if.
        * except.c (find_all_handler_type_matches): Switch to old-style
        function definition.
        * expr.c (expand_builtin): Remove unused variable `type' twice.
        * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it
        to an unsigned long.
        * haifa-sched.c (print_insn_chain): Remove unused function.
        * objc/objc-act.c (build_msg_pool_reference): Hide prototype and
        definition.
        * toplev.c: When testing whether to include dbxout.h, also include
        it when XCOFF_DEBUGGING_INFO is defined.
        * unroll.c (unroll_loop): Add parentheses around assignment used
        as truth value.

From-SVN: r20801
1998-06-29 17:36:07 +00:00
Mark Mitchell
41472af877 invoke.texi (-fstrict-aliasing): Document.
* invoke.texi (-fstrict-aliasing): Document.
	* rtl.texi (MEM_ALIAS_SET): Document.
	* flags.h (flag_strict_aliasing): Declare.
	* toplev.c (flag_strict_aliasing): Define.
	(f_options): Add -strict-aliasing.
	(main): Set flag_strict_aliasing if -O2 or higher.
	* tree.h (tree_type): Add alias_set field.
	(TYPE_ALIAS_SET): New macro.
	(TYPE_ALIAS_SET_KNOWN_P): Likewise.
	(get_alias_set): Declare.
	* tree.c (lang_get_alias_set): Define.
	(make_node): Initialize TYPE_ALIAS_SET.
	(get_alias_set): New function.
	* print-tree.c (print_node): Dump the alias set for a type.
	* c-tree.h (c_get_alias_set): Declare.
	* c-common.c (c_get_alias_set): New function.
	* c-decl.c (init_decl_processing): Set lang_get_alias_set.
	* expr.c (protect_from_queue): Propogage alias sets.
	(expand_assignment): Calculate alias set for new MEMs.
	(expand_expr): Likewise.
	* function.c (put_var_into_stack): Likewise.
	(put_reg_into_stack): Likewise.
	(gen_mem_addressof): Likewise.
	(assign_parms): Likewise.
	* stmt.c (expand_decl): Likewise.
	* varasm.c (make_decl_rtl): Eliminate redundant clearing of
	DECL_RTL.  Calculate alias set for new MEMs.
	* rtl.def (REG): Add dummy operand.
	(MEM): Add extra operand to store the MEM_ALIAS_SET.
	* rtl.h (MEM_ALIAS_SET): New macro.
	(gen_rtx_MEM): Declare.
	* emit-rtl.c (gen_rtx_MEM): New function.
	* gengenrtl.c (sepcial_rtx): Make MEMs special.
	* alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
	(DIFFERENT_ALIAS_SETS_P): Likewise.
	(canon_rtx): Propogate the alias set to the new MEM.
	(true_dependence): Check the alias sets.
	(anti_dependence): Likewise.
	(output_dependence): Likewise.
	* explow.c (stabilize): Progoate alias sets.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
	in an unpredictable state.  Propogate alias sets.
	* reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
	we have no alias information.

From-SVN: r20719
1998-06-25 15:14:41 +00:00
Herman A.J. ten Brugge
8975220280 expr.c (expand_assignment): Rework address calculation for structure field members to expose more invariant...
* expr.c (expand_assignment): Rework address calculation for structure
        field members to expose more invariant computations to the loop
        optimizer.
        (expand_expr): Likewise.

From-SVN: r20705
1998-06-24 16:40:29 -06:00
John Carr
9e6a570365 optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
* optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
	* expr.c: Likewise.
	* explow.c: Likewise.
	* combine.c: Likewise.
	* reload1.c: Likewise.
	* gcse.c: Likewise.

From-SVN: r20701
1998-06-24 14:49:51 +00:00
John Carr
55a6ba9ff3 expr.c (get_memory_rtx): New function.
* expr.c (get_memory_rtx): New function.
	(expand_builtin): Call get_memory_rtx for MEM arguments to builtin
	string functions.
	* expmed.c (init_expmed): Initialize all elements of *_cost arrays.

From-SVN: r20700
1998-06-24 13:32:56 +00:00
H.J. Lu
0d091530be expr.c (do_jump_by_parts_greater_rtx): Removed.
* expr.c (do_jump_by_parts_greater_rtx): Removed.
	(truthvalue_conversion): Likewise.

From-SVN: r20611
1998-06-19 16:06:11 -06:00
John Carr
e0cd077072 haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
* haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
	(sched_analyze_2): Allow scheduling TRAP_IF.
	* reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
	* rtl.h (TRAP_CODE): New macro.
	* rtl.def (TRAP_IF): Change second operand type to rtx.
	* optabs.c (gen_cond_trap): New function.
	(init_traps): New function.
	(init_optabs): Call init_traps.
	* expr.h: Declare gen_cond_trap.
	* jump.c (jump_optimize): Optimize jumps to and around traps.
	* sparc.md: Define trap instructions.
	* rs6000.md: Define trap instructions.
	* rs6000.c (print_operand): New code 'V' for trap condition.
	(trap_comparison_operator): New function.
	* m88k.md: Update use of TRAP_IF.
	* tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
	* c-decl.c (init_decl_processing): New builtin __builtin_trap.
	* expr.c (expand_builtin): Handle BUILT_IN_TRAP.
	* expr.c (expand_builtin): Error if __builtin_longjmp second argument
	is not 1.

From-SVN: r20543
1998-06-17 16:14:09 +00:00
Jeffrey A Law
dbecbbe48a expr.c (check_max_integer_computation_mode): New function.
* expr.c (check_max_integer_computation_mode): New function.
        (expand_expr): Avoid integer computations in modes wider than
        MAX_INTEGER_COMPUTATION_MODE.
        * fold-const.c (fold): Likewise.
        * tree.h (check_max_integer_computation_mode): Declare.
        * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.

From-SVN: r20538
1998-06-17 05:44:02 -06:00
Andreas Schwab
8d62b411cf expr.c (do_jump, [...]): When comparing complex prevent operands from being evaluated twice.
* expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
	prevent operands from being evaluated twice.

From-SVN: r20440
1998-06-12 01:26:05 +00:00
Jim Wilson
3e2b9a3d25 Fix build failure when pointers smaller than integers.
* expr.c (expand_builtin_setjmp): Store const1_rtx in target.
	(expand_builtin_longjmp): Abort if value isn't const1_rtx.
	Delete code storing value in static_chain_rtx.
	(expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
	to second expand_expr call.

From-SVN: r20418
1998-06-10 07:55:48 -07:00
Andrew MacLeod
a1622f838f [multiple changes]
Thu Jun  8 14:16:15 EDT 1998  Andrew MacLeod  <amacleod@cygnus.com>
	* eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
	flag_new_exceptions runtime flag.
	(struct old_exception_table): New struct which represents what
	the exception table looks like without the new model.
	(NEW_EH_RUNTIME): New value used as a tag in the exception table to
	flag that this is a new style table.
	* except.h: Remove compile time flag NEW_EH_MODEL.
	(expand_builtin_eh_stub_old): New prototype.
	* tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
	* expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
	* c-decl.c (init_decl_processing): Add new builtin function
	__builtin_eh_stub_old.
	* final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
	* flags.h (flag_new_exceptions): New runtime flag.
	* toplev.c (flag_new_exceptions): Initialize default to 0,
	-fnew-exceptions sets to 1.
	* except.c (output_exception_table_entry): Output New style exception
	identifier into table, and replace compile time flag NEW_EH_MODEL
	with runtime flag flag_new_exceptions.
	(output_exception_table): Replace compile time flag NEW_EH_MODEL.
	(expand_builtin_eh_stub_old): Duplicates original functionality of
	expand_builtin_eh_stub.
	(expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
	* libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
	(old_find_exception_handler): New func, same as find_exception_handler
	except it works on the old style exception table.
	(__throw): Replace NEW_EH_MODEL. Detect new model based on presence
	of identifier in the exception table, and call appropriate routines.
1998-06-08  Andrew MacLeod  <amacleod@cygnus.com>
	* except.c (init_exception_processing): Remove NEW_EH_MODEL compile
	time flag.  Call __cp_eh_info instead of __cp_exception_info.
	* exception.cc (struct cp_eh_info): Remove NEW_EH_MODEL flag.
	(__cp_exception_info): Return offset into cp_eh_info structure to
	match what use to be the start of this structure.
	(__cp_eh_info): New function to return a pointer to cp_eh_info struct.
	(__cplus_type_matcher, __cp_push_exception): Remove NEW_EH_MODEL
	compile time flag.
	(__uncatch_exception, __check_eh_spec, std::uncaught_exception): Call
	__cp_eh_info instead of __cp_exception_info.

From-SVN: r20336
1998-06-08 12:43:28 +00:00
Richard Henderson
8b015896c2 expr.c (force_operand): Detect PIC address loads before splitting arithmetic.
* expr.c (force_operand): Detect PIC address loads before
splitting arithmetic.

From-SVN: r20331
1998-06-08 03:44:01 -07:00
David Edelsohn
a260abc996 tree.c (get_inner_array_type): New function.
Thu Jun  4 14:35:27 1998  David Edelsohn  <edelsohn@mhpcc.edu>
	* tree.c (get_inner_array_type): New function.
	* tree.h (get_inner_array_type): Prototype.
	* expr.h (STACK_SAVEAREA_MODE): New macro.
	* expr.c (expand_builtin_setjmp): Initialize sa_mode using
	STACK_SAVEAREA_MODE.
	(expand_builtin_longjmp): Likewise.
	* explow.c (emit_stack_save): Likewise.
	(allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
	* rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
	(CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
	* rs6000/aix43.h: New file.
	* rs6000/t-aix43: New file.
	* rs6000/x-aix41: New file.
	* rs6000/x-aix43: New file.
	* configure.in (rs6000-ibm-aix*): Use them.
	* rs6000/powerpc.h: Delete.
	* rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
	* rs6000/netware.h: and here.
	* rs6000/win-nt.h: and here.
	* rs6000/rs6000.c (processor_target_table, 620): Do not affect
	MASK_POWERPC64.
	(rs6000_override_options): Ignore flag_pic for AIX.
	(rs6000_immed_double_const): Delete.
	(u_short_cint_operand): Don't assume 32-bit CONST_INT.
	(reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
	(num_insns_constant): mask64_operand() is 2 insns.
	(logical_operand): Don't assume 32-bit CONST_INT.
	(non_logical_cint_operand): Don't assume 32-bit CONST_INT.
	(easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
	(mask_constant): HOST_WIDE_INT parameter.
	(non_and_cint_operand): Delete.
	(mask64_operand): New function.
	(and64_operand): New function.
	(function_arg_advance): DImode arguments do not need special
	alignment when 64-bit.
	(function_arg): Likewise.
	(setup_incoming_varargs): Reverse reg_size assignment.
	(print_operand): HOST_WIDE_INT second parameter.
	(print_operand, 'B'): New case.
	(print_operand, 'M'): Fix typo in lossage string.
	(print_operandm 'S'): New case.
	(rs6000_stack_info): Reverse reg_size assignment.  Use total_raw_size
	to compute AIX push_p.  Use reg_size to compute {cr,lr}_save_offset.
	(rs6000_output_load_toc_table): Reverse init_ptr assignment.  Use
	TARGET_64BIT not TARGET_POWERPC64.  Convert fprintf to fputs.
	Load GOT highpart, don't add it.  Add lowpart with {cal|la}.
	(rs6000_allocate_stack_space): Use {cal|la}.
	(output_epilog): Use {cal|la}
	(output_function_profiler): Add call glue to mcount call.
	Load GOT highpart, don't add it.  Add lowpart with {cal|la}.
	* rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
	(STACK_BOUNDARY): Depend on TARGET_32BIT.
	(ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
	(CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
	(EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'.  Replace 'S' with
	64-bit mask operand.
	(RS6000_SAVE_TOC): Depend on TARGET_32BIT.
	(STACK_SAVEAREA_MODE): New macro.
	(LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
	(LEGITIMIZE_RELOAD_ADDRESS): New macro.
	(RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
	(ASM_FILE_START): Emit 64-bit ABI directive.
	(ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
	(PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
	Delete "non_and_cint_operand".  "input_operand" includes CONST_DOUBLE.
	* rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
	Restore define_splits.
	(floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
	(floatsidf2_internal, floatunssidf2_internal2): Likewise.
	Do not specify base register operand mode.
	(floatsidf2_loadaddr): Do not specify base register operand mode.
	(floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
	register; do not specify mode.  Remove !TARGET_POWERPC64 final
	constraint.
	(floatsidf2_load): Do not specify base register operand mode.  Remove
	!TARGET_POWERPC64 final constraint.
	(fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
	base register operand mode.
	(adddi3): Split large constants early.
	(absdi3): Shift by 63, not 31.
	(*mulsidi3_ppc64): New pattern.
	(rotldi3): Add masking combiner patterns.
	(anddi3): Add rldic{r,l} masking.  Remove split of large constants
	because PPC insns zero-extend.
	(iordi3, xordi3): Split large constants early.
	(movsi matcher): Remove S and T constraints.
	(movsf const_double): create SImode constant from TARGET_DOUBLE.
	(movdf_hardfloat32): Add default abort() case.
	(movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
	(movdi): Remove 64-bit constant generator.  Try to convert
	CONST_DOUBLE to CONST_INT.  Handle TOC memory constants.
	(movdi_32): Add default abort() case.
	(movdi_64): Add numerous ways to split 64-bit constants.
	Make catch-all define_split more optimal and never FAIL.
	(movti_ppc64): Add default abort() case.
	(allocate_stack): Remove operand modes.  Use Pmode.
	(restore_stack_block): Remove operand modes.  Generate Pmode
	temporary.
	(save_stack_nonlocal, restore_stack_nonlocal):  Generate Pmode
	temporary.  Save area is double Pmode.
	(call_indirect_aix64, call_value_indirect_aix64): New patterns.
	(call, call_value): Do not specify address operand mode.  Choose
	appropriate AIX ABI.
	(*call_local64, *ret_call_local64): New patterns.
	(*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
	(*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
	(compare): Materialize DImode truthvalues.

From-SVN: r20229
1998-06-04 07:47:15 -04:00
Craig Burley
ff439b5fee expr.c (safe_from_p): Avoid combinatorial explosion over duplicate SAVE_EXPRs by ensuring we never...
* expr.c (safe_from_p): Avoid combinatorial explosion
        over duplicate SAVE_EXPRs by ensuring we never recurse
        on one that has already been visited.

From-SVN: r20214
1998-06-03 18:30:40 -06:00
Richard Henderson
f0348c2524 expr.c (store_expr): Revert stray patch associated with 1998-05-23 commit.
* expr.c (store_expr): Revert stray patch associated with
	1998-05-23 commit.

From-SVN: r20201
1998-06-02 15:48:51 -07:00
Bernd Schmidt
2638126a5d expr.c (emit_move_insn_1): When moving complex values in several steps...
* expr.c (emit_move_insn_1): When moving complex values in several
        steps, emit a CLOBBER to show the destination dies.
Re-add patch.

From-SVN: r20195
1998-06-02 15:30:26 -06:00
Jeffrey A Law
6c8538ccb1 expr.c (expand_expr, [...]): Handle taking the address of an ADDRESSOF rtx.
* expr.c (expand_expr, case ADDR_EXPR): Handle taking the
        address of an ADDRESSOF rtx.

From-SVN: r20193
1998-06-02 15:16:10 -06:00
Mike Stump
0bc02db4e6 expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
* expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
        * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
        * i960.md (ret, flush_register_windows): Define.
        (nonlocal_goto): Likewise.  Nested function nonlocal gotos don't
        work yet.
        * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.

From-SVN: r20192
1998-06-02 14:11:21 -06:00
Richard Henderson
bd070e1aa9 expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF...
* expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
offset's mode is not ptr_mode, convert it.

From-SVN: r19965
1998-05-22 16:03:25 -07:00
Kaveh R. Ghazi
487a6e06ce Warning Fixes:
* Makefile.in (print-rtl.o): Depend on bitmap.h.
        (dbxout.o): Depend on toplev.h.
        ($(SCHED_PREFIX)sched.o): Likewise.
        ($(out_object_file)): Likewise for system.h and toplev.h.
        (cppmain.o): Depend on gansidecl.h.
        (cpplib.o): Likewise.
        (cpperror.o): Likewise.
        (cppexp.o): Likewise.
        (cpphash.o): Likewise.
        (cppalloc.o): Likewise.
        (fix-header.o): Depend on cpplib.h and cpphash.h.
        (scan-decls.o): Depend on gansidecl.h.
        * basic-block.h (free_regset_vector): Add prototype.
        * cccp.c (check_precompiled): Mark parameter `fname' with
        ATTRIBUTE_UNUSED.
        (do_assert): Likewise for `op' and `keyword'.
        (do_unassert): Likewise.
        (do_line): Likewise for `keyword'.
        (do_error): Likewise for `op' and `keyword'.
        (do_warning): Likewise.
        (do_ident): Likewise for `keyword'.
        (do_pragma): Likewise for `limit', `op' and `keyword'.
        (do_sccs): Likewise.
        (do_if): Likewise for `keyword'.
        (do_elif): Likewise.
        (do_else): Likewise.
        (do_endif): Likewise.
        * collect2.c (getenv): Remove redundant prototype.
        (collect_exit, collect_execute, dump_file): Likewise.
        (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
        (dump_prefix_list): Hide prototype and definition.
        * sparc.c: Include toplev.h.
        (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
        (symbolic_memory_operand): Likewise.
        (sp64_medium_pic_operand): Likewise.
        (data_segment_operand): Likewise.
        (text_segment_operand): Likewise.
        (splittable_symbolic_memory_operand): Likewise.
        (splittable_immediate_memory_operand): Likewise.
        (eq_or_neq): Likewise.
        (normal_comp_operator): Likewise.
        (noov_compare_op): Likewise.
        (v9_regcmp_op): Likewise.
        (v8plus_regcmp_op): Likewise.
        (extend_op): Likewise.
        (cc_arithop): Likewise.
        (cc_arithopn): Likewise.
        (small_int): Likewise.
        (uns_small_int): Likewise.
        (clobbered_register): Likewise.
        (legitimize_pic_address): Likewise.
        (delay_operand): Likewise.
        (sparc_builtin_saveregs): Remove unused variable `stdarg'.
        * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
        sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
        * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
        * cppalloc.c: Include gansidecl.h.
        * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
        (cpp_file_line_for_message): Mark parameter `pfile' with
        ATTRIBUTE_UNUSED.
        (v_cpp_message): New function.
        (cpp_message): Use it.  Also convert to variable arguments.
        (cpp_fatal): Likewise.
        (cpp_pfatal_with_name): Constify parameter `name'.
        * cppexp.c: Move gansidecl.h before cpplib.h.
        * cpphash.c: Likewise.
        * cpphash.h (hashf, delete_macro): Add prototypes.
        * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
        cpplib.h.  Don't include errno.h.
        (update_path): Add arguments to prototype.
        (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
        cpp_print_containing_files): Remove redundant prototypes.
        (cpp_hash_cleanup, add_import, append_include_chain,
        make_assertion, path_include, initialize_builtins,
        initialize_char_syntax, finclude, validate_else, comp_def_part,
        lookup_import, redundant_include_p, is_system_include,
        read_name_map, read_filename_string, open_include_file,
        check_macro_name, compare_defs, compare_token_lists,
        eval_if_expression, change_newlines): Add prototype arguments.
        (hashf): Remove redundant prototype.
        (read_token_list, free_token_list, safe_read, xcalloc, savestring,
        conditional_skip, skip_if_group): Add prototype arguments.
        (fdopen): Remove redundant prototype.
        (do_define, do_line, do_include, do_undef, do_error, do_pragma,
        do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
        do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
        (struct directive): Add prototype arguments to function pointer
        member `func'.
        (handle_directive): Add missing arguments to call to `do_line'.
        (do_include): Mark parameters `unused1' and `unused2' with
        ATTRIBUTE_UNUSED.
        (do_line): Likewise for `keyword' and new parameters `unused1' and
        `unused2'.
        (do_error): Likewise for `keyword'.
        (do_warning): Likewise.  Also add missing argument `pfile' in call
        to cpp_pedwarn.
        (do_once): Mark parameter `keyword', `unused1' and `unused2' with
        ATTRIBUTE_UNUSED.
        (do_ident): Likewise for `keyword', `buf' and `limit'.
        (do_pragma): Likewise.  Also add missing arguments in call to do_once.
        (do_sccs): Mark parameter `keyword', `buf' and `limit' with
        ATTRIBUTE_UNUSED.
        (do_if): Likewise for `keyword'.
        (do_elif): Likewise.
        (eval_if_expression): Likewise for `buf' and `length'.
        (do_xifdef): Likewise for `unused1' and `unused2'.
        (do_else): Likewise for `keyword', `buf' and `limit'.
        (do_endif): Likewise.
        (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
        (cpp_handle_options): Remove superfluous NULL argument in call to
        cpp_fatal.
        (cpp_handle_options): Likewise.
        (do_assert): Mark parameter `keyword', `buf' and `limit' with
        ATTRIBUTE_UNUSED.
        (do_unassert): Likewise.
        (cpp_print_file_and_line): Add missing argument `pfile' in call to
        cpp_file_line_for_message.
        (v_cpp_error): New function.
        (cpp_error): Use it. Also accept variable arguments.
        (v_cpp_warning): New function.
        (cpp_warning): Use it. Also accept variable arguments.
        (cpp_pedwarn): Accept variable arguments.
        (v_cpp_error_with_line): New function
        (cpp_error_with_line): Use it.  Accept variable arguments.
        (v_cpp_warning_with_line): New function.
        (cpp_warning_with_line): Use it.  Accept variable arguments.  Hide
        definition.
        (cpp_pedwarn_with_line): Accept variable arguments.
        (cpp_pedwarn_with_file_and_line): Likewise.
        (cpp_error_from_errno): Constify parameter `name'.  Add missing
        argument `pfile' in call to cpp_file_line_for_message.
        (cpp_perror_with_name): Constify parameter `name'.
        * cpplib.h: Define PARAMS() in terms of PROTO().
        (fatal): Remove redundant prototype.
        (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
        cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
        cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
        cpp_fatal, cpp_message, cpp_pfatal_with_name,
        cpp_file_line_for_message, cpp_print_containing_files): Add
        arguments to prototypes.
        (scan_decls, cpp_finish): Add prototypes.
        * cppmain.c: Include gansidecl.h.
        (main): Remove unused variable `i'.
        * dbxout.c: Include toplev.h.
        * demangle.h (do_tlink, collect_execute, collect_exit,
        collect_wait, dump_file, file_exists): Add prototype.
        * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
        prototype and definition.
        (gen_unspecified_parameters_die): Don't assign results of call to
        function new_die() to unused variable `parm_die'.
        (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
        (dwarf2out_define): Likewise for `lineno' and `buffer'.
        * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
        prototype and definition.
        (output_die): Add prototype arguments to function pointer arg.
        (output_unspecified_parameters_die): Mark parameter `arg' with
        ATTRIBUTE_UNUSED.
        * except.c (output_exception_table_entry): Remove unused variable
        `eh_entry'.
        * except.h (expand_fixup_region_start, expand_fixup_region_end):
        Add prototypes.
        * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
        * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
        * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
        before cpplib.h, include cpphash.h, remove redundant prototype of
        cpp_fatal, don't define `const', add a prototype for `fatal'.
        (cpp_file_line_for_message): Add missing arguments `pfile'.
        (v_cpp_message): New function.
        (cpp_message): Use it.
        (v_fatal): New function.
        (fatal, cpp_fatal): Use it.
        (cpp_pfatal_with_name): Constify parameter `name'.
        * flow.c (free_regset_vector): Remove redundant prototype.
        * function.c (round_down): Wrap prototype and definition with
        macro ARGS_GROW_DOWNWARD.
        (record_insns): Wrap prototype and definition with
        defined (HAVE_prologue) || defined (HAVE_epilogue).
        * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
        * gen-protos.c: Include gansidecl.h.
        (hashf): Don't make it static, constify parameter `name'.
        * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
        specifier %s in calls to function `fatal'.
        * haifa-sched.c: Include toplev.h.
        (find_rgns): Remove unused variable `j'.
        * integrate.c (note_modified_parmregs): Mark parameter `x' with
        ATTRIBUTE_UNUSED.
        (mark_stores): Likewise.
        * jump.c (mark_modified_reg): Likewise.
        * output.h (insn_current_reference_address): Add prototype.
        (eh_frame_section): Likewise.
        * print-rtl.c: Include bitmap.h.
        * reload1.c (reload): Wrap variables `note' and `next' in macro
        PRESERVE_DEATH_INFO_REGNO_P.
        (forget_old_reloads_1): Mark parameter `ignored' with
        ATTRIBUTE_UNUSED.
        (choose_reload_regs): Remove unused variable `in'.
        (reload_cse_invalidate_mem): Mark parameter `ignore' with
        ATTRIBUTE_UNUSED.
        (reload_cse_check_clobber): Likewise.
        * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
        (mark_elimination): Fix typo in prototype.
        * scan-decls.c: Include gansidecl.h.
        * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.

From-SVN: r19867
1998-05-19 08:42:48 +00:00
Richard Henderson
ead1705900 tree.h (TYPE_SIZE_UNIT): New.
* tree.h (TYPE_SIZE_UNIT): New.
(struct tree_type): Add size_unit member.
* stor-layout.c (layout_type): Initialize it.
* expr.c (get_inner_reference) [ARRAY_REF]: Use it.
* tree.c (size_in_bytes, int_size_in_bytes): Likewise.

From-SVN: r19853
1998-05-18 06:21:14 -07:00
Alexandre Petit-Bianco
b24f65cddd Patch from Alex Petit-Bianco.
* expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
	input_filename and lineno around expand_expr call.  Set them to values
	in WFL before expand_expr call.

From-SVN: r19778
1998-05-15 10:32:40 -07:00
Kaveh R. Ghazi
d6f4ec5199 Warning fixes:
* 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
1998-05-13 12:40:39 +00:00
Jeff Law
38e012594e typo typo fixes fixes
From-SVN: r19601
1998-05-06 15:09:07 -06:00
Jim Wilson
7e07331424 Fix irix6 linker warning, multiply defined target_temp_slot_level.
* expr.c (target_temp_slot_level): Delete duplicate definition.

From-SVN: r19584
1998-05-06 08:55:26 -07:00
Robert Lipe
10f0ad3d49 toplev.h: New file.
Wed May  6 06:35:38 1998  Robert Lipe  <robertl@dgii.com>
        * toplev.h: New file.   Protypes for functions in toplev.c.
        * tree.h, rtl.h: Deleted protos for functions in toplev.c.
        * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
        c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
        convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
        function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
        reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
        varasm.c: include it.

From-SVN: r19564
1998-05-06 04:54:01 +00:00
Jeff Law
f5963e6170 * Check in merge from gcc2. See ChangeLog.12 for details.
From-SVN: r19553
1998-05-05 17:18:02 -06:00
Jim Wilson
06eaa86f99 Fix bug where storing into const string gives core dump, from Kamil Iskra.
* expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
	reference if this is a store.

From-SVN: r19531
1998-05-04 12:16:35 -07:00
Jim Wilson
bf931ec829 Fix x86 memset bug, reported by Karl Guenter Wuensch.
* expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
	val or len has TREE_SIDE_EFFECTS set.

From-SVN: r19471
1998-04-28 12:12:47 -07:00
John Carr
87d1ea7937 expr.c (expand_builtin, [...]): Set MEM_IN_STRUCT_P if the argument is the address of a structure or array.
* expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
	if the argument is the address of a structure or array.
	* configure.in: Enable Haifa scheduler by default for SPARC.

From-SVN: r19405
1998-04-24 13:16:26 +00:00
Jeff Law
e009aaf31f loop.c (regs_patch_p): Add prototype.
* loop.c (regs_patch_p): Add prototype.
        (add_label_notes, count_nonfixed_reads): Likewise.
        (find_single_use_in_loop): Likewise.
        (express_from): Surround prototype with #ifdef.
        (giv_sort): Similarly.
        * jump.c (mark_modified_reg): Add prototype.
        * haifa-sched.c (is_prisky): Add prototype.
        (queue_to_ready): Likewise.
        * genextract.c (gen_insn): Add prototype.
        * genemit.c (max_operand_1): Add prototype.
        (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
        (gen_expand, gen_explit, output_add_clobbers): Likewise.
        (output_init_mov_optab): Likewise.
        * genattrtab.c (attr_hash_add_rtx): Add prototype.
        (attr_hash_add_string, write_length_unit_log): Likewise.
        * genattr.c (init_range): Add prototype.
        * combine.c (sets_function_arg_p): Add prototype.

From-SVN: r19251
1998-04-16 17:56:12 -06:00
Jeff Law
d77fac3be2 expr.c (store_constructor_field): Add prototype.
* expr.c (store_constructor_field): Add prototype.
        (memory_use_mode): Likewise.
        * expmed.c (synth_mult): Add prototype.
        (choose_multiplier, invert_mod2n): Likewise.

From-SVN: r19250
1998-04-16 17:07:05 -06:00
Michael Meissner
996d9dacc4 If -Os, set MOVE_RATIO to 3, not 15
From-SVN: r19209
1998-04-14 13:20:50 +00:00
Alexandre Petit-Bianco
bf1e5319c3 tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
d
Fri Apr  3 17:02:13 1998  Alexandre Petit-Bianco  <apbianco@cygnus.com>
 	* tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
 	* tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
 	COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
 	(build_expr_wfl): New prototype declaration.
 	* tree.c (build_expr_wfl): New function, to build
  	EXPR_WITH_FILE_LOCATION nodes.
 	(copy_node): Don't zero TREE_CHAIN if copying a
  	EXPR_WITH_FILE_LOCATION node.
 	* print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
 	* expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.

From-SVN: r19049
1998-04-08 07:03:48 -07:00
Jeff Law
e5e809f419 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
for details.

        * haifa-sched.c: Mirror recent changes from gcc2.

From-SVN: r18984
1998-04-04 06:32:39 -07:00
Kaveh R. Ghazi
670ee92097 Major cutover to using system.h:
* 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
1998-03-20 14:58:42 +00:00
Richard Kenner
7c00d1fe83 expr.c (expand_expr, [...]): If have conditional move, don't use ORIGINAL_TARGET unless REG.
Wed Mar 18 13:42:01 1998  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
        * expr.c (expand_expr, case COND_EXPR): If have conditional move,
        don't use ORIGINAL_TARGET unless REG.

From-SVN: r18671
1998-03-18 05:41:50 -08:00
Kaveh R. Ghazi
081f5e7e66 Fix more warnings...
* c-lang.c (finish_file): Wrap variable `void_list_node' with macro
        test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
        * calls.c (emit_call_1): Wrap variable `already_popped' with macro
        test !ACCUMULATE_OUTGOING_ARGS.
        * collect2.c (write_c_file_glob): Wrap function definition in
        macro test !LD_INIT_SWITCH.
        * combine.c (try_combine): Wrap variables `cc_use' and
        `compare_mode' in macro test EXTRA_CC_MODES.
        * cpplib.c (do_ident): Remove unused variable `len'.
        (skip_if_group): Remove unused variables `at_beg_of_line' and
        `after_ident'.
        (cpp_get_token): Remove unused variable `dummy'.
        * dbxout.c (scope_labelno): Move static variable definition inside
        the one function scope where it is used.
        (dbxout_function_end): Wrap prototype and definition in
        macro test !NO_DBX_FUNCTION_END.
        * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
        in macro test !MIPS_DEBUGGING_INFO.
        * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
        into the scope where it is used.  Wrap empty else-statement body
        in braces.
        * fix-header.c: Fix typo in comment.
        (inf_skip_spaces): Cast results of INF_UNGET to (void).
        (check_protection, main): Likewise.
        * flow.c (find_basic_blocks_1): Remove dangling comment text.
        * function.c (contains): Wrap prototype and definition in macro
        test HAVE_prologue || HAVE_epilogue.
        (fixup_var_refs_1): Remove unused variable `width'.
        * gen-protos.c (main): Remove unused variable `optr'.
        * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
        * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
        (__sjpopnthrow): Remove unused variable `jmpbuf'.
        (__throw): Remove unused variable `val'.
        * protoize.c: Check for a previously existing definition before
        defining *_OK macros.
        * scan-decls.c (scan_decls): Remove unused variable `old_written'.

From-SVN: r18654
1998-03-18 07:18:06 +00:00
Kaveh R. Ghazi
5172371191 Fix warious warnings:
* c-aux-info.c: Include string.h/strings.h.
	* pa.c: Include stdlib.h.
	(pa_combine_instructions): Prototype the function.
	(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
	(reloc_needed): Add default case for enumeration switch.
	(remove_useless_addtr_insns): Remove unused variable `all'.
	(hppa_expand_prologue): Add explicit braces to avoid
	ambiguous `else'.
	(output_function_epilogue): Remove unused variable `i'.
	(output_millicode_call): Remove unused variable `link'.
	(shadd_constant_p, forward_branch_p): Make the function static.
	(following_call): Explicitly declare to return int.
	(pa_reorg): Declare as void.
	(pa_combine_instructions): Declare as static void.  Add
	parentheses around && within ||.
	* pa.h: Add prototypes for pa_reorg, symbolic_operand,
	following_call, function_label_operand, lhs_lshift_cint_operand
	and zdepi_cint_p.
	* pa.md: Add parentheses around && within ||.
	* cppalloc.c: Include stdlib.h.
	* cpperror.c (cpp_print_containing_files): Remove unused variable
	`i'.  Fix format specifier in fprintf.
	* cse.c (cse_around_loop): Add explicit braces to avoid
	ambiguous `else'.
	(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
	* expr.c (expand_expr): Add parentheses around && within ||.
	* final.c (app_enable): Replace fprintf with fputs where there are
	no format specifiers and no trailing argument after the string.
	Eg, when printing ASM_APP_ON/ASM_APP_OFF.
	(app_disable): Likewise.
	(final_end_function): Likewise.
	(final_scan_insn): Likewise.  Remove unused variable `set'.
	(profile_function): Wrap empty if-statement body in {} brackets.
	* function.c: Include stdlib.h.
	(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
	(reposition_prologue_and_epilogue_notes): Add parentheses
	around assignment used as truth value.
	* integrate.c (expand_inline_function): Wrap variable
	`cc0_insn' in macro HAVE_cc0.
	* jump.c (jump_optimize): Wrap variable `q' in macro
	HAVE_cc0.  Remove unused variable `prev1'.
	* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
	within ||.  Fix format specifier in fprintf.
	(__bb_init_prg): Add parentheses around assignment used as
	truth value.
	* local-alloc.c: Include stdlib.h.
	(requires_inout): Add parentheses around assignment used
	as truth value.
	* loop.c (analyze_loop_iterations): Wrap prototype and definition
	in macro HAVE_decrement_and_branch_on_count.
	(insert_bct, instrument_loop_bct): Likewise.
	(move_movables): Add parentheses around assignment used as
	truth value.
	(consec_sets_invariant_p): Likewise.
	(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
	* objc/objc-act.c: Include stdlib.h.
	(lookup_method_in_protocol_list): Wrap empty else-statement body
	in braces.
	(lookup_protocol_in_reflist): Likewise.
	(objc_add_static_instance): Remove unused variables `decl_expr'
	and `decl_spec'.
	(get_objc_string_decl): Remove unused variable `decl'.
	(generate_static_references): Remove unused variables `idecl' and
	`instance'.
	(check_protocols): Wrap empty else-statement body in braces.
	* protoize.c: Include stdlib.h.
	(substr): Add parentheses around assignment used as truth value.
	(abspath): Likewise.
	(shortpath): Likewise.
	* regmove.c (fixup_match_1): Add parentheses around assignment
	used as truth value.
	* reload.c (push_secondary_reload): Remove unused variable `i'.
	(find_reloads): Add parentheses around assignment used as truth
	value.
	* reload1.c: Include stdlib.h.
	* rtl.h: Correct typo in prototype of offsettable_memref_p.
	* stmt.c (add_case_node): Add parentheses around assignment used
	as truth value.
	(case_tree2list): Likewise.
	* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
	in macro VALID_MACHINE_DECL_ATTRIBUTE.  Wrap variable
	`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
	(merge_attributes): Add explicit braces to avoid ambiguous
	`else'.
	* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
	macro HAVE_cc0.
	* varasm.c: Include stdlib.h.

From-SVN: r18290
1998-02-28 07:06:53 +00:00
Robert Lipe
8bd6ecc280 expr.c (expand_assignment): Correct typo exposed by -Wall.
* expr.c (expand_assignment):  Correct typo exposed by -Wall.
        offset should have been a truth value, not an assignment.

From-SVN: r17876
1998-02-12 14:59:57 +00:00
Robert Lipe
381127e845 except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
* except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
        (expand_eh_region_start_tree): Remove unused variable 'note'.
        (exception_optimize): Remove unused variable 'regions'.
        (expand_builtin_eh_stub):  Remove unused variable 'temp'.
        (copy_eh_entry): Deleted.   Dead function.
        * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
        'last' with same #if HAVE_load_multiple as use of it.
        (move_block_from_reg): Likewise.
        (emit_move_insn_1): Remove unused variable 'insns'.
        (store_constructor): Bracket declaration of startb, endb with
        #if TARGET_MEMFUNCTIONS.  Remove unused variables 'set_word_size'
        'target', and 'xtarget'.
        (expand_builtin_setjmp): Remove unused variables 'op0',
        'next_arg_reg', 'old_inhibit_defer_pop'.
        (expand_builtin): Remove unused variable 'offset'.
        (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
        (emit_queue): Add parens for assignment used as conditional.
        (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.

From-SVN: r17843
1998-02-10 17:35:13 -07:00
Jeffrey A Law
060fbabfb9 expr.c (clear_pending_stack_adjust): Handle case where a function calls alloca...
* expr.c (clear_pending_stack_adjust): Handle case where a function
        calls alloca, but the user has specified -fomit-fframe-pointer.

From-SVN: r17770
1998-02-07 16:26:08 -07:00
Richard Henderson
6fd1c67b8b expr.c (expand_builtin_setjmp): Accept two new arguments for the labels to branch to on first and subsequent...
* expr.c (expand_builtin_setjmp): Accept two new arguments for
 the labels to branch to on first and subsequent executions.  Don't
 play with __dummy.  Rename `setjmp' insn to `builtin_setjmp_setup',
 and provide it with the jmp_buf.  Use only one of
 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
 and provide the former with the target label.
 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
 (expand_builtin_longjmp): ... here.  Recognize a `builtin_longjmp'
 insn to replace all of the normal nonlocal_goto code.  Don't play
 with __dummy.  Correct arguments to nonlocal_goto.
 * expr.h (expand_builtin_setjmp): Update prototype.
 * except.c (start_dynamic_handler): When using builtin_setjmp,
 generate more accurate flow information.
 * alpha.md (nonlocal_goto_receiver_osf): Delete.
 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
 (builtin_longjmp, builtin_setjmp_receiver): New.
 * sparc.md (update_return): Disambiguate unspec number.
 (nonlocal_goto): Rearrange arguments to match caller in except.c.
 (builtin_setjmp_setup): Rename from setjmp.  Match and ignore the
 jmp_buf operand.
 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
 (builtin_setjmp_setup*, builtin_longjmp): New.

From-SVN: r17602
1998-02-02 11:28:57 -08:00
Hans-Peter Nilsson
db771a3c53 * expr.c (emit_push_insn): Add code to use movstrti if present.
From-SVN: r17589
1998-02-01 17:23:13 -07:00
Hans-Peter Nilsson
7a6df7f924 expr.c (emit_push_insn): Use same max-move-amount for movstrhi and movstrqi as in emit_block_move ().
* expr.c (emit_push_insn): Use same max-move-amount for movstrhi
	and movstrqi as in emit_block_move ().

From-SVN: r17588
1998-02-01 17:21:46 -07:00
J"orn Rennecke
f8dac6eb3f expr.c (get_inner_reference): Use sbitsizetype for type sizes.
* expr.c (get_inner_reference): Use sbitsizetype for type sizes.
        * fold-const.c (size_int): Replace with
        (size_int_wide).
        (make_bit_field_ref): Use bitsize_int for bit position.
        * stor-layout.c (sizetype): Delete.
        (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
        (layout_record, layout_union, layout_type):
        Use bitsize_int for bit size.
        (set_sizetype): New function.
        (make_signed_type, make_unsigned_type): Use it.
        * c-decl.c (init_decl_processing): Likewise.
        * tree.h (size_int): Don't delcare, #define.
        (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
        (set_sizetype): Declare.
        (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
        Define.
        * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
        Convert result to sizetype.
        (really_start_incremental_init, push_init_level):
        Set type of constructor_bit_index to sbitsizetype.
        (push_init_level): Use unsigned arithmetic to determine padding.
        (output_init_element): Likewise.

From-SVN: r17577
1998-02-01 04:47:59 -07:00
Jim Wilson
03566575a9 Remove rest of bytecode stuff, except for the VMS *.com files.
* Makefile.in: Remove remaining bytecode stuff.
	* emit-rtl.c, expr.c: Likewise.

From-SVN: r17459
1998-01-23 07:43:01 -08:00
Jeffrey A Law
27766f0efa Remove more bytecode stuff.
From-SVN: r17436
1998-01-20 10:02:10 -07:00
Jeffrey A Law
b93a436e6b Makefile.in: Remove all bytecode support.
* Makefile.in: Remove all bytecode support.
        (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
        * emit-rtl.c: Remove all bytecode support.
        * expr.c, expr.h function.c, integrate.c: Likewise.
        * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
        * tree.h, varasm.c: Likewise.
        * bi-*, bc-*: Delete bytecode related files.
Bytecode suppors disappears :-)

From-SVN: r17432
1998-01-20 01:55:07 -07:00
Richard Henderson
38a448ca5d alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO...
* alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
* caller-save.c, calls.c, combine.c, cse.c: Likewise.
* dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
* final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
* halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
* profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
* reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
* unroll.c, varasm.c: Likewise.
* config/alpha/alpha.c, config/alpha/alpha.md: Likewise.

From-SVN: r17357
1998-01-14 15:10:50 -08:00
Jeff Law
c85f7c16ad Bring in final gcc-2.8.0 changes.
From-SVN: r17355
1998-01-14 13:57:58 -07:00
Richard Henderson
6c174fc0e6 c-decl.c (init_decl_processing): Provide proper fallback symbol for __builtin_memset.
* c-decl.c (init_decl_processing): Provide proper fallback symbol
for __builtin_memset.
* expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
not INTEGER_CST.  Assert arg 3 is a constant.
* alpha.c (mode_width_operand): Accept 64-bit modes.
(mode_mask_operand): Likewise.
(print_operand): Likewise for 'M' and 'U' codes.
(alpha_expand_unaligned_load): New function.
(alpha_expand_unaligned_store): Likewise.
(alpha_expand_unaligned_load_words): Likewise.
(alpha_expand_unaligned_store_words): Likewise.
(alpha_expand_block_move): Likewise.
(alpha_expand_block_clear): Likewise.
* alpha.h (MOVE_RATIO): New define.
* alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
(insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
* alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
(CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.

From-SVN: r17278
1998-01-01 20:48:04 -08:00
Jeff Law
2d48c13dc2 expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF...
d
        * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
        offset's mode is not ptr_mode, convert it.

From-SVN: r17260
1997-12-29 06:15:21 -07:00
Ian Lance Taylor
18543a2208 expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an expression.
* expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
        expression.
        * stmt.c (expand_end_case): Likewise.
        * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
        * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
        * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.

From-SVN: r17155
1997-12-19 09:43:29 -07:00
Jeff Law
6d8ccdbbb2 Bring over changes from latest gcc-2.8 pre-release.
Mirror sched.c change into haifa-sched.c

From-SVN: r17097
1997-12-15 00:05:04 -07:00
Per Bothner
14e83f2ef5 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
From-SVN: r17090
1997-12-13 11:40:06 -08:00
Jeff Law
956d69504d Merge from gcc-2.8
From-SVN: r16987
1997-12-06 17:31:01 -07:00
Jeff Law
f45ebe4754 O Bring in changes from release branch (egcs_ss_971127).
From-SVN: r16866
1997-12-01 10:53:12 -07:00
Richard Henderson
f35bcbc5d0 expr.c (expand_builtin_setjmp): Set current_function_has_nonlocal_label.
* expr.c (expand_builtin_setjmp): Set
        current_function_has_nonlocal_label.
        * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
        call-saved registers across calls.

        * alpha.md (exception_receiver): Remove.
        (nonlocal_goto_receiver_osf): New
        (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
        (nonlocal_goto_receiver): New, select _osf or _vms.

From-SVN: r16492
1997-11-14 07:51:00 -07:00
Paul Eggert
41c9120baf patch from paul eggert to fix -0.0/0.0 confusion that breaks glibc
* real.h (REAL_VALUES_IDENTICAL): New macro.
	* expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
	* fold-const.c (operand_equal_p): Don't consider -0.0 to be
	identical to 0.0.
	* tree.c (simple_cst_equal): Don't consider -0.0 to have the
	same tree structure as 0.0.
	* varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
	macro instead of doing it by hand.

From-SVN: r16472
1997-11-13 16:07:27 -08:00
Jeff Law
e9a25f70a0 Update mainline egcs to gcc2 snapshot 971021.
From-SVN: r16278
1997-11-02 14:19:36 -07:00
Jeffrey A Law
6cad9e3280 expr.c (expand_builtin_setjmp): Don't emit a SETJMP note or set current_function_calls_setjmp anymore.
* expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
        or set current_function_calls_setjmp anymore.

From-SVN: r16267
1997-11-01 22:15:13 -07:00
J"orn Rennecke
59fe8c2c20 expr.c (expand_increment): When enqueing a postincrement for a MEM...
* expr.c (expand_increment): When enqueing a postincrement for a MEM,
	use copy_to_reg if address is not a general_operand.

From-SVN: r16247
1997-10-31 00:40:46 +00:00
Jim Wilson
7581a30fe2 expr.c (expand_expr, [...]): Optimize a reference to an element in a constant string.
* expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
        to an element in a constant string.

From-SVN: r16195
1997-10-26 13:33:27 -07:00
Richard Henderson
ca0f22208f expr.c (get_inner_reference): Remove the array bias after converting the index to Pmode.
* expr.c (get_inner_reference): Remove the array bias after
        converting the index to Pmode.

From-SVN: r16178
1997-10-26 09:13:10 -07:00
Doug Evans
6bd35f8671 * expr.c (use_group_regs): Don't call use_reg for MEMs.
From-SVN: r16046
1997-10-18 19:48:25 +00:00
Jason Merrill
2f3ca9e7f4 c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
* c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
	* tree.h (built_in_function): Likewise.
	* expr.c (expand_builtin): Likewise.
	* except.h: Likewise.
	* dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
	* libgcc2.c (copy_reg): New fn.
	(__throw): Use it.

From-SVN: r15750
1997-09-27 14:16:15 -04:00
David S. Miller
9524f769a7 combine.c (try_combine): Use NULL_RTX instead of '0' where appropriate in calls to gen_rtx().
* combine.c (try_combine): Use NULL_RTX instead of '0' where
        appropriate in calls to gen_rtx().
        * cse.c (cse_main): Likewise.
        * emit-rtl.c (gen_label_rtx): Likewise.
        * expr.c (init_expr_once): Likewise.
        * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
        sched_analyze, init_rgn_data_dependences,
        compute_block_backward_dependences): Likewise.
        * sched.c (schedule_insns): Likewise.
        * varasm.c (immed_double_const): Likewise.

From-SVN: r15630
1997-09-22 11:41:48 -06:00
Jim Wilson
21002281e5 Fix H.J. Lu's alpha-linux bug with TImode constructors.
* expr.c (expand_expr): Remove previous incorrect change.
	If target and slot has no DECL_RTL, then call mark_addressable
	again for the slot after we give it RTL.

From-SVN: r15496
1997-09-16 13:59:22 -07:00
Jason Merrill
610ce97e65 expr.c (expand_expr, [...]): Call mark_addressable again for the slot after we give it RTL.
* expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
 	again for the slot after we give it RTL.

From-SVN: r15482
1997-09-16 03:53:56 -04:00
Jason Merrill
ca55abaee7 dwarf2 EH support
From-SVN: r15464
1997-09-15 22:07:50 -04:00
Jeff Law
22cbb540d0 Remove last change. Not needed for egcs yet.
From-SVN: r15397
1997-09-10 21:01:15 -06:00
Jeffrey A Law
0680d17043 * expr.c (emit_block_move): Always return a value.
From-SVN: r15252
1997-09-10 10:52:45 -06:00
Jeff Law
66ed068304 Add port done awhile ago for the ARC cpu.
* arc/arc.h: New file.
        * arc/arc.c: New file.
        * arc/arc.md: New file.
        * arc/initfini.c: New file.
        * arc/lib1funcs.asm: New file.
        * arc/t-arc: New file.
        * arc/xm-arc.h: New file.
        * ginclude/va-arc.h: New file.
        * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
        * ginclude/varargs.h: Likewise.
        * Makefile.in (USER_H): Add va-arc.h.
        * configure.in (arc-*-elf*): Recognize.
        * longlong.h: Add ARC support.
Mostly so I can test changes in snapshot scripts.

        * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
        when clearing non-BLKmode data.
Fixes sparc problem.

From-SVN: r15198
1997-09-09 16:21:04 -06:00
Jeffrey A Law
704af6a15f expr.c (convert_move): Handle truncation from TQFmode to QFmode.
* expr.c (convert_move): Handle truncation from TQFmode to QFmode.
From Christian Iseli.

From-SVN: r15054
1997-09-02 23:33:06 -06:00
Andreas Schwab
eae4b97034 expr.h (insn_gen_function): Reenable prototype.
* expr.h (insn_gen_function): Reenable prototype.

	* expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
	first parameter.

From-SVN: r14994
1997-08-29 09:02:03 -06:00
Richard Kenner
921b3427bc (expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS): New case.
(expand_assignment, expand_expr, emit_push_insn, store_expr):
Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
when -fcheck-memory-usage.
(get_push_address, get_memory_usage_from_modifier): New functions.

From-SVN: r14611
1997-08-02 13:17:17 -04:00
Richard Kenner
2cde2255e0 (expand_expr, case PLACEHOLDER_EXPR): Find innermost matching and
don't check contains_placeholder_p.

From-SVN: r14605
1997-08-02 08:01:10 -04:00
Richard Kenner
d0977240cb (expand_expr, case LABEL_DECL): Treat inline_function_decl like current_function_decl.
(expand_expr, case LABEL_DECL): Treat inline_function_decl like
current_function_decl.
(expand_expr, case SAVE_EXPR): Handle top-level SVAE_EXPR by
moving into current function; abort if in incorrect context.

From-SVN: r14540
1997-07-27 19:35:23 -04:00
Richard Kenner
08293addce (get_inner_unaligned_p): Deleted.
(expand_assignment): Remove special-case of constant array.
(expand_expr, case ARRAY_REF): Likewise, and clean up remaining code.

From-SVN: r14536
1997-07-27 12:18:46 -04:00
Richard Kenner
b60334e840 (expand_expr, case MODIFY_EXPR): Don't preexpand calls if LHS is an
indirect via a constant pointer.

From-SVN: r14527
1997-07-25 08:36:42 -04:00
Richard Kenner
dcb7c3cea6 (expand_expr...
(expand_expr, case PLACEHOLDER_EXPR): Pick outermost object in
placeholder_list of right type without a PLACEHOLDER_EXPR.

From-SVN: r14498
1997-07-20 06:11:25 -04:00
Jim Wilson
d7d775a019 (emit_group_load): Add case using gen_lowpart.
From-SVN: r14224
1997-06-10 14:39:22 -07:00
Richard Kenner
47e538e888 (expand_builtin, case BUILT_IN_FRAME_ADDRESS): Use correct function
name in error message.

From-SVN: r14191
1997-06-09 17:24:32 -04:00
Mike Stump
6b023d0700 expr.c (expand_builtin_setjmp): Remove setting of current_function_has_nonlocal_goto, as this isn't a goto.
* expr.c (expand_builtin_setjmp): Remove setting of
	current_function_has_nonlocal_goto, as this isn't a goto.

From-SVN: r14066
1997-05-13 21:08:28 +00:00
Mike Stump
6e6a07d299 except.c (start_dynamic_handler): Fix so that we can use __builtin_setjmp...
* except.c (start_dynamic_handler): Fix so that we can use
 	__builtin_setjmp, and default to using __builtin_setjmp instead of
 	setjmp.
	* expr.c (expand_builtin_setjmp): New routine, split out from
	existing inline code from expand_builtin.
	(expand_builtin): Split out code into expand_builtin_setjmp.
	* expr.h (expand_builtin_setjmp): Add declaration.
	* libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
 	of setjmp.
	(__sjpopnthrow): Likewise.
	* optabs.c (init_optabs): Likewise.

From-SVN: r14045
1997-05-07 22:50:11 +00:00
Mike Stump
db3cf6fb33 reformat a little to match GNU coding standards.
From-SVN: r14024
1997-05-06 23:05:54 +00:00
Mike Stump
e976b8b277 Add setjmp/longjmp exception handling.
From-SVN: r13968
1997-04-23 20:04:25 +00:00
Richard Kenner
effbcc6a9e ({move,clear}_by_pieces_1, expand_assignment): Ensure we have unshared rtx before changing flags.
({move,clear}_by_pieces_1, expand_assignment): Ensure we have unshared rtx
before changing flags.
(store_{constructor,field}): Likewise.
(expand_expr, case COMPONENT_REF): Likewise.
(store_expr): Check if TEMP and TARGET are same with rtx_equal_p.

From-SVN: r13936
1997-04-20 12:19:20 -04:00
Jason Merrill
83b853c9fc x
From-SVN: r13909
1997-04-17 11:33:02 +00:00
Doug Evans
58a32c5c03 * expr.c (move_block_from_reg): Try using an integral mov operation first.
From-SVN: r13897
1997-04-13 23:29:50 +00:00
Doug Evans
e46a986ab9 expr.c (emit_push_insn): Delete emission of CLOBBER when doing partial push, no longer necessary.
* expr.c (emit_push_insn): Delete emission of CLOBBER
	when doing partial push, no longer necessary.

From-SVN: r13797
1997-03-25 19:43:45 +00:00
Jim Wilson
aff4d29bf4 (emit_group_load): Call operand_subword instead of creating
an explicit SUBREG.

From-SVN: r13743
1997-03-18 14:25:56 -08:00
Richard Kenner
dc500fa115 (expand_expr, case PLACEHOLDER_EXPR): Refine which object is picked.
From-SVN: r13718
1997-03-16 19:54:36 -05:00
Richard Kenner
08bbd316d8 (expand_expr, case COMPONENT_REF): Fix error in last change: don't
suppress conversion if just EXPAND_SUM.

From-SVN: r13383
1997-01-05 07:26:37 -05:00
Richard Kenner
0d15e60cd5 (get_inner_reference): Fix type error.
(expand_expr, case COMPONENT_REF): Don't convert if modifier
is EXPAND_CONST_ADDRESS, EXPAND_SUM, or EXPAND_INITIALIZER.

From-SVN: r13375
1997-01-04 22:21:00 -05:00
Richard Kenner
86b5812c18 (expand_expr, case COMPONENT_REF): If taking value from a CONSTRUCTOR,
must mask/sign-extend if bitfield.
(expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER,
to send arg of RETURN_POPS_ARGS.

From-SVN: r13373
1997-01-04 22:12:25 -05:00
Richard Kenner
ac01eace31 (expand_expr, case COND_EXPR): Add additional cases to "singleton"
cases.

From-SVN: r13372
1997-01-04 22:03:27 -05:00
Richard Kenner
2a8e278c94 (move_by_pieces): Abort only if length positive at end.
From-SVN: r13242
1996-12-07 18:48:44 -05:00
Richard Kenner
9293498fb3 (get_inner_reference): Fix error in previous change.
From-SVN: r13200
1996-11-17 20:23:00 -05:00
Richard Kenner
839c47964e (get_inner_reference): Add new arg PALIGNMENT and compute it.
(expand_assignment, do_jump): Pass new arg to get_inner_reference.
(expand_expr, case COMPONENT_REF): Likewise.

From-SVN: r13187
1996-11-16 06:18:33 -05:00
Jim Wilson
71bc03306f (emit_group_store): For REG case, call gen_lowpart if
modes are different.

From-SVN: r13152
1996-11-12 15:46:05 -08:00
Richard Kenner
b61b64100a (expand_assignment): Remove bogus resetting of alignment to inner alignment.
(expand_expr, case COMPONENT_REF): Likewise.

From-SVN: r13114
1996-11-08 17:40:11 -05:00
Jim Wilson
e9ac02a6f1 (expand_expr, case CONSTRUCTOR): Don't use a PARALLEL
target.

From-SVN: r13085
1996-10-31 10:30:25 -08:00
Ian Lance Taylor
96ff8a163e Zero extend when generating a CONST_DOUBLE in convert_modes
From-SVN: r13041
1996-10-27 02:08:23 +00:00
Torbjorn Granlund
bb60ac6305 (do_store_flag): Don't check if target is 0 in code
emitting store flag as compare-branch.

From-SVN: r12993
1996-10-22 00:26:25 +00:00
Richard Kenner
ab6c58f120 (store_expr): Disable optimization of using convert if exp's type is a
subtype.

From-SVN: r12992
1996-10-21 19:11:08 -04:00
Doug Evans
0cb1d109f4 expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case...
* expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case,
 	similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are
 	handled.

From-SVN: r12974
1996-10-17 15:33:52 +00:00
Jim Wilson
df0faff11b (store_constructor): Delete unnecessary increment.
From-SVN: r12940
1996-10-09 13:42:42 -07:00
Richard Kenner
c2722ef63b (expand_expr, case COMPONENT_REF): Don't try to directly load a complex.
From-SVN: r12867
1996-09-29 19:04:49 -04:00
Richard Kenner
862424838e (store_expr): memset/bzero gets ptr_mode, not Pmode.
From-SVN: r12861
1996-09-29 18:42:12 -04:00
Michael Meissner
eaa9b4d930 Fix SI followed by 4 DFs under AIX
From-SVN: r12838
1996-09-24 22:14:57 +00:00
Richard Kenner
0842a17931 (expand_increment): If postincrement for MEM can't use add directly,
load address in reg and enqueue increment and store of reg.

From-SVN: r12785
1996-09-23 16:42:58 -04:00
Richard Kenner
01c8a7c858 (var_rtx): New function.
(expand_expr, case COND_EXPR): Also use target if same as singleton.

From-SVN: r12777
1996-09-23 14:40:48 -04:00
Richard Kenner
2b01c3263e (convert_move): Replace explicit checks for FP extend ops with use of can_extend_p.
(convert_move): Replace explicit checks for FP extend ops with use of
can_extend_p.
Add missing tests for FP trunc operations.

From-SVN: r12771
1996-09-22 11:30:04 -04:00
Richard Kenner
ef19912d09 (store_field): If storing a record on big endian targets,
set up so we store the high-order bits.
(expand_expr, case COMPONENT_REF): Likewise for loads.

From-SVN: r12714
1996-09-14 20:42:46 -04:00
Mike Stump
75bb87ea21 * expr.c (expand_builtin_return_addr): Fix order of parameters.
From-SVN: r12644
1996-08-15 19:59:00 +00:00
Richard Kenner
32ccb0aca0 (expand_builtin, case BUILT_IN_SETJMP): Add test and call for
nonlocal_goto_receiver pattern.

From-SVN: r12621
1996-08-12 07:44:42 -04:00
Jason Merrill
a3a58acc27 (store_expr): Handle COND_EXPR cleanups like expand_expr.
From-SVN: r12620
1996-08-12 05:52:13 +00:00
Mike Stump
26657dcad0 expr.c (do_jump, [...]): Ensure the end of an exception region comes after its start.
* expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure the end of an
	exception region comes after its start.
	(do_jump, case TRUTH_ANDIF_EXPR): Likewise.

From-SVN: r12565
1996-07-25 23:14:00 +00:00
Mike Stump
3d1953912d install EH code
From-SVN: r12548
1996-07-23 19:58:32 +00:00
Richard Kenner
8d8c9ba91b (get_inner_reference): Delete using alternate mode for bitfield; we
don't make bitfields anymore if not needed.

From-SVN: r12398
1996-07-04 11:44:14 -04:00
Mike Stump
0f41302f47 formatting tweaks
From-SVN: r12390
1996-07-03 22:07:53 +00:00
Jeff Law
5718612fc1 expr.c (compare): If function pointers need canonicalization before comparisons, canonicalize them.
* expr.c (compare): If function pointers need canonicalization
        before comparisons, canonicalize them.
        (do_store_flag): Do not use an sCC insn for a function pointer
        comparison if function pointers need canonicalization before
        comparing.

From-SVN: r12381
1996-07-02 16:59:02 -06:00
Richard Kenner
d7f21d631f (expand_builtin, case BUILTIN_MEMSET): Open code memset where val == 0.
From-SVN: r12363
1996-06-28 14:35:10 -04:00
Richard Kenner
85ab4aaaec (expand_builtin, case BUILT_IN_{SET,LONG}JMP): Properly handle case
when ptr_mode != Pmode.

From-SVN: r12294
1996-06-18 06:53:52 -04:00
Per Bothner
8f6562d026 * expr.c (safe_from_p): Allow Chill-style variable-sized arrays.
From-SVN: r12213
1996-06-07 12:11:44 -07:00
Jim Wilson
fffa9c1d2e (emit_group_load, emit_group_store): New functions.
(use_group_regs): New function.
(emit_push_insn): Handle PARALLEL parameter in REG.
(expand_assignment): Handle PARALLEL to_rtx.
(store_expr): Handle PARALLEL target.

From-SVN: r12189
1996-06-06 16:04:56 -07:00
Richard Kenner
0086427caf (store_field): Fix typo in last change; update TARGET addr.
From-SVN: r12142
1996-06-03 08:06:54 -04:00
Mike Stump
a4a3f053b7 tree.def (OFFSET_REF): Remove.
* tree.def (OFFSET_REF): Remove.
        * expr.c (expand_expr, case OFFSET_REF): Ditto.
        * tree.c (substitute_in_expr): Remove OFFSET_REF code.
Remove some old cruft

From-SVN: r12127
1996-05-31 05:08:47 +00:00
Richard Kenner
0fedef289f (expand_builtin, case BUILT_IN_{LONG,SET}JMP): Convert block address
from ptr_mode to Pmode.

From-SVN: r12120
1996-05-27 06:38:37 -04:00
Richard Kenner
06398f9dc9 (bc_runtime_type_code): Delete redundant declaration.
From-SVN: r12044
1996-05-19 12:23:40 -04:00
Mike Stump
4847c9386b expr.c (expand_expr, [...]): Make TARGET_EXPRs redoable for UNSAVE_EXPR.
* expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs
	redoable for UNSAVE_EXPR.
	* stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR
	to that we can redo it.
	* tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now.
	* tree.def (TARGET_EXPR): Add a third field so that TARGET_EXPRs
	are redoable.

From-SVN: r12018
1996-05-17 21:48:14 +00:00
Mike Stump
679163cf4d expr.c (expand_expr, [...]): Move from the C++ frontend to the backend where it belongs.
* expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++
	frontend to the backend where it belongs.
	* tree.c (unsave_expr): Ditto.
	(unsave_expr_now): Ditto.
	* tree.def (UNSAVE_EXPR): Ditto.
	* tree.h (unsave_expr): Ditto.
	(unsave_expr_now): Ditto.

From-SVN: r12015
1996-05-17 20:13:01 +00:00
Richard Kenner
a281e72d06 (store_field): Support BLKmode bitfield if aligned on byte boundary using emit_block_move.
(store_field): Support BLKmode bitfield if aligned on byte boundary using
emit_block_move.
(expand_expr, case COMPONENT_REF): Likewise.

From-SVN: r11971
1996-05-11 07:42:11 -04:00