+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/**
- * Register mapping for firm nodes. Stolen from bearch_firm :)
- * $Id$
+ * @file
+ * @brief Register param constraints and some other register handling tools.
+ * @author Christian Wuerdig
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#include <stdlib.h>
+#include "pmap.h"
+
#include "ia32_map_regs.h"
#include "ia32_new_nodes.h"
#include "gen_ia32_regalloc_if.h"
+#include "../benodesets.h"
static int maxnum_gpreg_args = 3; /* maximum number of int arguments passed in registers; default 3 */
static int maxnum_fpreg_args = 5; /* maximum number of float arguments passed in registers; default 5 */
};
const arch_register_t *fpreg_param_reg_std[] = {
- &ia32_fp_regs[REG_XMM0],
- &ia32_fp_regs[REG_XMM1],
- &ia32_fp_regs[REG_XMM2],
- &ia32_fp_regs[REG_XMM3],
- &ia32_fp_regs[REG_XMM4],
- &ia32_fp_regs[REG_XMM5],
- &ia32_fp_regs[REG_XMM6],
- &ia32_fp_regs[REG_XMM7]
+ &ia32_xmm_regs[REG_XMM0],
+ &ia32_xmm_regs[REG_XMM1],
+ &ia32_xmm_regs[REG_XMM2],
+ &ia32_xmm_regs[REG_XMM3],
+ &ia32_xmm_regs[REG_XMM4],
+ &ia32_xmm_regs[REG_XMM5],
+ &ia32_xmm_regs[REG_XMM6],
+ &ia32_xmm_regs[REG_XMM7]
};
const arch_register_t *fpreg_param_reg_this[] = {
NULL, /* in case of a "this" pointer, the first parameter must not be a float */
- &ia32_fp_regs[REG_XMM0],
- &ia32_fp_regs[REG_XMM1],
- &ia32_fp_regs[REG_XMM2],
- &ia32_fp_regs[REG_XMM3],
- &ia32_fp_regs[REG_XMM4],
- &ia32_fp_regs[REG_XMM5],
- &ia32_fp_regs[REG_XMM6],
- &ia32_fp_regs[REG_XMM7]
+ &ia32_xmm_regs[REG_XMM0],
+ &ia32_xmm_regs[REG_XMM1],
+ &ia32_xmm_regs[REG_XMM2],
+ &ia32_xmm_regs[REG_XMM3],
+ &ia32_xmm_regs[REG_XMM4],
+ &ia32_xmm_regs[REG_XMM5],
+ &ia32_xmm_regs[REG_XMM6],
+ &ia32_xmm_regs[REG_XMM7]
};
templ.irn = irn;
templ.reg = NULL;
- hash = HASH_PTR(irn);
+ hash = nodeset_hash(irn);
return set_insert(reg_set, &templ, sizeof(templ), hash);
}
return assoc->reg;
}
+void ia32_build_16bit_reg_map(pmap *reg_map) {
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "ax");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bx");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "cx");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dx");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_ESI], "si");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EDI], "di");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EBP], "bp");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_ESP], "sp");
+}
+
+void ia32_build_8bit_reg_map(pmap *reg_map) {
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EAX], "al");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EBX], "bl");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_ECX], "cl");
+ pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dl");
+}
+
+const char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg) {
+ pmap_entry *e = pmap_find(reg_map, (void *)reg);
+ //assert(e && "missing map init?");
+ if (! e) {
+ printf("FIXME: ia32map_regs.c:122: returning fake register name for ia32 with 32 register\n");
+ return reg->name;
+ }
+
+ return e->value;
+}
/**
* Check all parameters and determine the maximum number of parameters
int ia32_get_n_regparam_class(int n, ir_mode **modes, int *n_int, int *n_float) {
int i, finished = 0;
+ *n_int = 0;
+ *n_float = 0;
+
for (i = 0; i < n && !finished; i++) {
- if (mode_is_int(modes[i])) {
+ if (mode_is_int(modes[i]) || mode_is_reference(modes[i])) {
*n_int = *n_int + 1;
}
else if (mode_is_float(modes[i])) {
/* loop over all parameters and determine whether its a int or float register parameter */
for (i = 0; i < nr && !done && (cc & cc_reg_param); i++) {
- if (mode_is_int(modes[i]) && cur_gp_idx < maxnum_gpreg_args) {
+ if ((mode_is_int(modes[i]) || mode_is_reference(modes[i])) && cur_gp_idx < maxnum_gpreg_args) {
/* param can be passed in general purpose register and we have some registers left */
cur_gp_idx++;
}
}
/* now: i == nr, that's the parameter requirement we want */
- if (mode_is_int(modes[i]) && cur_gp_idx < maxnum_gpreg_args) {
+ if ((mode_is_int(modes[i]) || mode_is_reference(modes[i])) && cur_gp_idx < maxnum_gpreg_args) {
/* parameter #nr can be passed in general purpose register */
param_reg = current_gpreg_param_reg[i];
}
return param_reg;
}
-
-
-
-/**
- * Translates the projnum into a "real" argument position for register
- * requirements dependend on the predecessor.
- */
-long ia32_translate_proj_pos(const ir_node *proj) {
- ir_node *first;
- ir_node *pred = get_Proj_pred(proj);
- long nr = get_Proj_proj(proj);
-
- if (is_ia32_Load(pred)) {
- if (nr == pn_Load_res)
- return 0;
- assert(0 && "unsupported Proj(Load) number");
- }
- else if (is_ia32_Store(pred)) {
- return 0;
- }
- else if (is_ia32_CondJmp(pred)) {
- return 0;
- }
- else if (is_ia32_SwitchJmp(pred)) {
- return 0;
- }
- else if (is_ia32_Cdq(pred) || is_ia32_Mulh(pred)) {
- if (nr == pn_EAX)
- return 0;
- if (nr == pn_EDX)
- return 1;
- }
- else if (is_ia32_DivMod(pred)) {
- if (nr == pn_DivMod_res_div || pn_Div_res)
- return 0;
- if (nr == pn_DivMod_res_mod || pn_Mod_res)
- return 1;
- }
- else if (is_ia32_fDiv(pred)) {
- if (nr == pn_Quot_res)
- return 0;
- else
- assert(0 && "there should be no more Projs for a fDiv");
- }
- else if (is_ia32_Call(pred)) {
- return 0;
- }
- else if (get_irn_mode(proj) == mode_X && nr == pn_Start_X_initial_exec) {
- return 0;
- }
- else if (is_Proj(pred)) {
- first = get_Proj_pred(pred);
-
- if (is_ia32_Call(first))
- return 0;
-
- assert(0 && "unsupported proj-pos translation Proj(Proj)");
- return -1;
- }
- else if (get_irn_opcode(pred) == iro_Start) {
- return nr;
- }
-
-// assert(0 && "unsupported Proj(X)");
- return nr;
-}