2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Representation of opcode of intermediate operation.
23 * @author Christian Schaefer, Goetz Lindenmaier, Michael Beck
33 #include "irbackedge_t.h"
37 #include "reassoc_t.h"
41 void be_init_op(void);
43 /** the available next opcode */
44 static unsigned next_iro = iro_MaxOpcode;
47 * Copies all attributes stored in the old node to the new node.
48 * Assumes both have the same opcode and sufficient size.
50 void default_copy_attr(const ir_node *old_node, ir_node *new_node)
52 unsigned size = firm_add_node_size;
54 assert(get_irn_op(old_node) == get_irn_op(new_node));
55 memcpy(&new_node->attr, &old_node->attr, get_op_attr_size(get_irn_op(old_node)));
58 /* copy additional node data */
59 memcpy(get_irn_data(new_node, void, size), get_irn_data(old_node, void, size), size);
61 } /* default_copy_attr */
64 * Copies all Call attributes stored in the old node to the new node.
66 static void call_copy_attr(const ir_node *old_node, ir_node *new_node)
68 default_copy_attr(old_node, new_node);
69 remove_Call_callee_arr(new_node);
70 } /* call_copy_attr */
73 * Copies all Block attributes stored in the old node to the new node.
75 static void block_copy_attr(const ir_node *old_node, ir_node *new_node)
77 ir_graph *irg = current_ir_graph;
79 default_copy_attr(old_node, new_node);
80 new_node->attr.block.phis = NULL;
81 new_node->attr.block.cg_backedge = NULL;
82 new_node->attr.block.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
83 INIT_LIST_HEAD(&new_node->attr.block.succ_head);
84 } /* block_copy_attr */
87 * Copies all phi attributes stored in old node to the new node
89 static void phi_copy_attr(const ir_node *old_node, ir_node *new_node)
91 ir_graph *irg = current_ir_graph;
93 default_copy_attr(old_node, new_node);
94 new_node->attr.phi.next = NULL;
95 new_node->attr.phi.u.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
99 * Copies all filter attributes stored in old node to the new node
101 static void filter_copy_attr(const ir_node *old_node, ir_node *new_node)
103 ir_graph *irg = current_ir_graph;
105 default_copy_attr(old_node, new_node);
106 new_node->attr.filter.backedge = new_backedge_arr(irg->obst, get_irn_arity(new_node));
110 * Copies all ASM attributes stored in old node to the new node
112 static void ASM_copy_attr(const ir_node *old_node, ir_node *new_node)
114 ir_graph *irg = current_ir_graph;
116 default_copy_attr(old_node, new_node);
117 new_node->attr.assem.inputs = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.inputs);
118 new_node->attr.assem.outputs = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.outputs);
119 new_node->attr.assem.clobber = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.clobber);
123 * Sets the default copy_attr operation for an ir_ops
125 * @param code the opcode for the default operation
126 * @param ops the operations initialized
131 static ir_op_ops *firm_set_default_copy_attr(ir_opcode code, ir_op_ops *ops)
135 ops->copy_attr = call_copy_attr;
138 ops->copy_attr = block_copy_attr;
141 ops->copy_attr = phi_copy_attr;
144 ops->copy_attr = filter_copy_attr;
147 ops->copy_attr = ASM_copy_attr;
150 /* not allowed to be NULL */
151 if (! ops->copy_attr)
152 ops->copy_attr = default_copy_attr;
155 } /* firm_set_default_copy_attr */
157 /* Creates a new ir operation. */
158 ir_op *new_ir_op(unsigned code, const char *name, op_pin_state p,
159 unsigned flags, op_arity opar, int op_index, size_t attr_size,
160 const ir_op_ops *ops)
162 ir_op *res = XMALLOCZ(ir_op);
165 res->name = new_id_from_chars(name, strlen(name));
167 res->attr_size = attr_size;
170 res->op_index = op_index;
174 memcpy(&res->ops, ops, sizeof(res->ops));
175 else /* no given ops, set all operations to NULL */
176 memset(&res->ops, 0, sizeof(res->ops));
178 firm_set_default_operations(code, &res->ops);
179 firm_set_default_copy_attr(code, &res->ops);
180 firm_set_default_verifyer(code, &res->ops);
181 firm_set_default_reassoc(code, &res->ops);
189 void free_ir_op(ir_op *code)
191 hook_free_ir_op(code);
193 remove_irp_opcode(code);
197 /* Returns the string for the opcode. */
198 const char *get_op_name (const ir_op *op)
200 return get_id_str(op->name);
203 unsigned (get_op_code)(const ir_op *op)
205 return _get_op_code(op);
208 ident *(get_op_ident)(const ir_op *op)
210 return _get_op_ident(op);
213 const char *get_op_pin_state_name(op_pin_state s)
216 #define XXX(s) case s: return #s
217 XXX(op_pin_state_floats);
218 XXX(op_pin_state_pinned);
219 XXX(op_pin_state_exc_pinned);
220 XXX(op_pin_state_mem_pinned);
224 } /* get_op_pin_state_name */
226 op_pin_state (get_op_pinned)(const ir_op *op)
228 return _get_op_pinned(op);
229 } /* get_op_pinned */
231 /* Sets op_pin_state_pinned in the opcode. Setting it to floating has no effect
232 for Phi, Block and control flow nodes. */
233 void set_op_pinned(ir_op *op, op_pin_state pinned)
235 if (op == op_Block || op == op_Phi || is_op_cfopcode(op)) return;
236 op->pin_state = pinned;
237 } /* set_op_pinned */
239 /* retrieve the next free opcode */
240 unsigned get_next_ir_opcode(void)
243 } /* get_next_ir_opcode */
245 /* Returns the next free n IR opcode number, allows to register a bunch of user ops */
246 unsigned get_next_ir_opcodes(unsigned num)
248 unsigned base = next_iro;
251 } /* get_next_ir_opcodes */
253 /* Returns the generic function pointer from an ir operation. */
254 op_func (get_generic_function_ptr)(const ir_op *op)
256 return _get_generic_function_ptr(op);
257 } /* get_generic_function_ptr */
259 /* Store a generic function pointer into an ir operation. */
260 void (set_generic_function_ptr)(ir_op *op, op_func func)
262 _set_generic_function_ptr(op, func);
263 } /* set_generic_function_ptr */
265 /* Returns the ir_op_ops of an ir_op. */
266 const ir_op_ops *(get_op_ops)(const ir_op *op)
268 return _get_op_ops(op);
271 irop_flags get_op_flags(const ir_op *op)
276 #include "gen_irop.c.inl"