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 :)
31 #include "TEMPLATE_map_regs.h"
32 #include "TEMPLATE_new_nodes.h"
34 /* Mapping to store registers in firm nodes */
36 struct TEMPLATE_irn_reg_assoc {
38 const arch_register_t *reg;
41 int TEMPLATE_cmp_irn_reg_assoc(const void *a, const void *b, size_t len) {
42 const struct TEMPLATE_irn_reg_assoc *x = a;
43 const struct TEMPLATE_irn_reg_assoc *y = b;
45 return x->irn != y->irn;
48 static struct TEMPLATE_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set) {
49 struct TEMPLATE_irn_reg_assoc templ;
56 return set_insert(reg_set, &templ, sizeof(templ), hash);
59 void TEMPLATE_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set) {
60 struct TEMPLATE_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
64 const arch_register_t *TEMPLATE_get_firm_reg(const ir_node *irn, set *reg_set) {
65 struct TEMPLATE_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
72 * Translates the projnum into a "real" argument position for register
73 * requirements dependend on the predecessor.
75 long TEMPLATE_translate_proj_pos(const ir_node *proj) {
76 ir_node *pred = get_Proj_pred(proj);
77 long nr = get_Proj_proj(proj);
79 if (is_TEMPLATE_Load(pred)) {
80 if (nr == pn_Load_res)
82 assert(0 && "unsupported Proj(Load) number");
84 else if (is_TEMPLATE_Store(pred)) {
87 else if (is_TEMPLATE_fDiv(pred)) {
88 if (nr == pn_Quot_res)
91 assert(0 && "there should be no more Projs for a fDiv");
94 // assert(0 && "unsupported Proj(X)");