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 ir_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; /**< The 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 bitmasks of irop_flags. */
30 void *tag; /**< Some custom pointer the op's creator can attach stuff to. */
32 ir_op_ops ops; /**< The operations of the this op. */
36 * Frees a newly created ir operation.
38 void free_ir_op(ir_op *code);
40 /** Initialize the irop module. */
43 /** Free memory used by irop module. */
47 * Copies simply all attributes stored in the old node to the new node.
48 * Assumes both have the same opcode and sufficient size.
50 * @param old_node the old node from which the attributes are read
51 * @param new_node the new node to which the attributes are written
53 void default_copy_attr(const ir_node *old_node, ir_node *new_node);
56 * Returns the attribute size of nodes of this opcode.
57 * @note Use not encouraged, internal feature.
59 static INLINE size_t get_op_attr_size (const ir_op *op) {
64 * Returns non-zero if op is a control flow opcode,
65 * like Start, End, Jmp, Cond, Return, Raise or Bad.
67 static INLINE int is_cfopcode(const ir_op *op) {
68 return op->flags & irop_flag_cfopcode;
72 * Returns non-zero if the operation manipulates interprocedural control flow:
73 * CallBegin, EndReg, EndExcept
75 static INLINE int is_ip_cfopcode(const ir_op *op) {
76 return op->flags & irop_flag_ip_cfopcode;
79 /** Returns non-zero if operation is commutative */
80 static INLINE int is_op_commutative(const ir_op *op) {
81 return op->flags & irop_flag_commutative;
84 /** Returns non-zero if operation is fragile */
85 static INLINE int is_op_fragile(const ir_op *op) {
86 return op->flags & irop_flag_fragile;
89 /** Returns non-zero if operation is forking control flow */
90 static INLINE int is_op_forking(const ir_op *op) {
91 return op->flags & irop_flag_forking;
94 /** Returns non-zero if operation is a high-level op */
95 static INLINE int is_op_highlevel(const ir_op *op) {
96 return op->flags & irop_flag_highlevel;
99 /** Returns non-zero if operation is a const-like op */
100 static INLINE int is_op_constlike(const ir_op *op) {
101 return op->flags & irop_flag_constlike;
104 /** Returns non-zero if operation must always be optimized */
105 static INLINE int is_op_always_opt(const ir_op *op) {
106 return op->flags & irop_flag_always_opt;
109 /** Returns non-zero if operation is a keep-like op */
110 static INLINE int is_op_keep(const ir_op *op) {
111 return op->flags & irop_flag_keep;
114 /** Returns non-zero if operation must always be placed in the start block. */
115 static INLINE int is_op_start_block_placed(const ir_op *op) {
116 return op->flags & irop_flag_start_block;
119 /** Returns non-zero if operation is a machine operation */
120 static INLINE int is_op_machine(const ir_op *op) {
121 return op->flags & irop_flag_machine;
124 /** Returns non-zero if operation is a machine operand */
125 static INLINE int is_op_machine_operand(const ir_op *op) {
126 return op->flags & irop_flag_machine_op;
129 /** Returns non-zero if operation is a machine user op number n */
130 static INLINE int is_op_machine_user(const ir_op *op, unsigned n) {
131 return op->flags & (irop_flag_user << n);
134 static INLINE ir_opcode _get_op_code(const ir_op *op) {
138 static INLINE ident *_get_op_ident(const ir_op *op){
142 static INLINE op_pin_state _get_op_pinned(const ir_op *op) {
143 return op->op_pin_state_pinned;
146 static INLINE void _set_generic_function_ptr(ir_op *op, op_func func) {
147 op->ops.generic = func;
150 static INLINE op_func _get_generic_function_ptr(const ir_op *op) {
151 return op->ops.generic;
154 static INLINE const ir_op_ops *_get_op_ops(const ir_op *op) {
158 static INLINE void _set_op_tag(ir_op *op, void *tag) {
162 static INLINE void *_get_op_tag(ir_op *op) {
166 #define get_op_code(op) _get_op_code(op)
167 #define get_op_ident(op) _get_op_ident(op)
168 #define get_op_pinned(op) _get_op_pinned(op)
169 #define get_op_ops(op) _get_op_ops(op)
170 #define set_op_tag(op, tag) _set_op_tag((op), (tag))
171 #define get_op_tag(op) _get_op_tag(op)
173 #endif /* _IROP_T_H_ */