3 * File name: ir/ir/irop_t.h
4 * Purpose: Representation of opcode of intermediate operation -- private header.
5 * Author: Christian Schaefer
6 * Modified by: Goetz Lindenmaier
9 * Copyright: (c) 1998-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
15 #include "firm_config.h"
21 /** The type of an ir_op. */
23 opcode code; /**< the unique opcode of the op */
24 ident *name; /**< the name of the op */
25 size_t attr_size; /**< Space needed in memory for private attributes */
26 op_pin_state op_pin_state_pinned; /**< How to deal with the node in cse, pre. */
27 op_arity opar; /**< arity of operator. */
28 int op_index; /**< the index of the first data operand, 0 for most cases, 1 for Div etc. */
29 unsigned flags; /**< flags describing the behavior of the ir_op, a bitmaks of irop_flags */
31 ir_op_ops ops; /**< the operations of the this op. */
35 * Frees a newly created ir operation.
37 void free_ir_op(ir_op *code);
39 /** Initialize the irop module. */
42 /** Free memory used by irop module. */
46 * Copies simply all attributes stored in the old node to the new node.
47 * Assumes both have the same opcode and sufficient size.
49 * @param old_node the old node from which the attributes are read
50 * @param new_node the new node to which the attributes are written
52 void default_copy_attr(const ir_node *old_node, ir_node *new_node);
55 * Returns the attribute size of nodes of this opcode.
56 * @note Use not encouraged, internal feature.
58 static INLINE int get_op_attr_size (const ir_op *op) {
63 * Returns non-zero if op is a control flow opcode,
64 * like Start, End, Jmp, Cond, Return, Raise or Bad.
66 static INLINE int is_cfopcode(const ir_op *op) {
67 return op->flags & irop_flag_cfopcode;
71 * Returns non-zero if the operation manipulates interprocedural control flow:
72 * CallBegin, EndReg, EndExcept
74 static INLINE int is_ip_cfopcode(const ir_op *op) {
75 return op->flags & irop_flag_ip_cfopcode;
78 /** Returns non-zero if operation is commutative */
79 static INLINE int is_op_commutative(const ir_op *op) {
80 return op->flags & irop_flag_commutative;
83 /** Returns non-zero if operation is fragile */
84 static INLINE int is_op_fragile(const ir_op *op) {
85 return op->flags & irop_flag_fragile;
88 /** Returns non-zero if operation is forking control flow */
89 static INLINE int is_op_forking(const ir_op *op) {
90 return op->flags & irop_flag_forking;
93 /** Returns non-zero if operation is a high-level op */
94 static INLINE int is_op_highlevel(const ir_op *op) {
95 return op->flags & irop_flag_highlevel;
98 /** Returns non-zero if operation is a const-like op */
99 static INLINE int is_op_constlike(const ir_op *op) {
100 return op->flags & irop_flag_constlike;
103 static INLINE opcode _get_op_code(const ir_op *op) {
107 static INLINE ident *_get_op_ident(const ir_op *op){
111 static INLINE op_pin_state _get_op_pinned(const ir_op *op) {
112 return op->op_pin_state_pinned;
115 static INLINE void _set_generic_function_ptr(ir_op *op, op_func func) {
116 op->ops.generic = func;
119 static INLINE op_func _get_generic_function_ptr(const ir_op *op) {
120 return op->ops.generic;
123 static INLINE const ir_op_ops *_get_op_ops(const ir_op *op) {
127 #define get_op_code(op) _get_op_code(op)
128 #define get_op_ident(op) _get_op_ident(op)
129 #define get_op_pinned(op) _get_op_pinned(op)
130 #define get_op_ops(op) _get_op_ops(op)
133 #endif /* _IROP_T_H_ */