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 Register param constraints and some other register handling tools.
23 * @author Christian Wuerdig
33 #include "ia32_map_regs.h"
34 #include "ia32_new_nodes.h"
35 #include "ia32_architecture.h"
36 #include "gen_ia32_regalloc_if.h"
37 #include "bearch_ia32_t.h"
39 /* this is the order of the assigned registers used for parameter passing */
42 void ia32_build_16bit_reg_map(pmap *reg_map) {
43 pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "ax");
44 pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bx");
45 pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "cx");
46 pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dx");
47 pmap_insert(reg_map, &ia32_gp_regs[REG_ESI], "si");
48 pmap_insert(reg_map, &ia32_gp_regs[REG_EDI], "di");
49 pmap_insert(reg_map, &ia32_gp_regs[REG_EBP], "bp");
50 pmap_insert(reg_map, &ia32_gp_regs[REG_ESP], "sp");
53 void ia32_build_8bit_reg_map(pmap *reg_map) {
54 pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "al");
55 pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bl");
56 pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "cl");
57 pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dl");
60 void ia32_build_8bit_reg_map_high(pmap *reg_map) {
61 pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "ah");
62 pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bh");
63 pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "ch");
64 pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dh");
67 const char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg) {
68 pmap_entry *e = pmap_find(reg_map, (void *)reg);
70 //assert(e && "missing map init?");
72 printf("FIXME: ia32map_regs.c:122: returning fake register name for ia32 with 32 register\n");