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 Register mapping for firm nodes. Stolen from bearch_firm :)
23 * @author Matthias Braun, Mehdi
32 #include "mips_map_regs.h"
33 #include "mips_new_nodes.h"
35 /* Mapping to store registers in firm nodes */
37 struct mips_irn_reg_assoc {
39 const arch_register_t *reg;
42 int mips_cmp_irn_reg_assoc(const void *a, const void *b, size_t len) {
43 const struct mips_irn_reg_assoc *x = a;
44 const struct mips_irn_reg_assoc *y = b;
46 return x->irn != y->irn;
49 static struct mips_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set) {
50 struct mips_irn_reg_assoc templ;
57 return set_insert(reg_set, &templ, sizeof(templ), hash);
60 void mips_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set) {
61 struct mips_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
65 const arch_register_t *mips_get_firm_reg(const ir_node *irn, set *reg_set) {
66 struct mips_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
71 * Translates the projnum into a "real" argument position for register
72 * requirements dependend on the predecessor.
74 long mips_translate_proj_pos(const ir_node *proj) {
75 return get_Proj_proj(proj);