2 * Copyright (C) 1995-2007 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 This file contains functions for matching firm graphs for
23 * nodes that can be used as address mode for x86 instructions
24 * @author Matthias Braun
27 #ifndef IA32_ADDRESS_MODE_H
28 #define IA32_ADDRESS_MODE_H
33 * The address mode data: Used to construct (memory) address modes.
35 typedef struct ia32_address_t ia32_address_t;
36 struct ia32_address_t {
37 ir_node *base; /**< The base register (if any) */
38 ir_node *index; /**< The index register (if any). */
39 ir_node *mem; /**< The memory value (if any). */
40 int offset; /**< An integer offset. */
41 int scale; /**< An integer scale. {0,1,2,3} */
42 ir_entity *symconst_ent; /**< A SynConst entity if any. */
43 int use_frame; /**< Set, if the frame is accessed */
44 ir_entity *frame_entity; /**< The accessed frame entity if any. */
45 int symconst_sign; /**< The "sign" of the symconst. */
49 * Create an address mode for a given node.
51 void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, int force);
54 * Mark those nodes of the given graph that cannot be used inside an
55 * address mode because there values must be materialized in registers.
57 void calculate_non_address_mode_nodes(ir_graph *irg);
60 * Free the non_address_mode information.
62 void free_non_address_mode_nodes(void);