/**
* Register mapping for firm nodes. Stolen from bearch_firm :)
+ * Calculate requirements for register parameter.
+ * @author Christian Wuerdig
* $Id$
*/
#ifdef HAVE_CONFIG_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);
}
pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dl");
}
-char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg) {
+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?");
+ //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;
}
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 *pred = get_Proj_pred(proj);
- long nr = get_Proj_proj(proj);
-
- if (is_ia32_Ld(pred)) {
- if (nr == pn_Load_res || nr == 0)
- return 0;
- assert(0 && "unsupported Proj(Load) number");
- }
- else if (is_ia32_St(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)
- return 0;
- if (nr == pn_DivMod_res_mod)
- return 1;
-
- switch(get_ia32_flavour(pred)) {
- if (nr == pn_DivMod_res_div)
- return 0;
- if (nr == pn_DivMod_res_mod)
- return 1;
- assert(0 && "unsupported DivMod");
- }
- }
- 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 (get_irn_mode(proj) == mode_X && nr == pn_Start_X_initial_exec) {
- return 0;
- }
- else if (is_Proj(pred)) {
- return nr;
- }
- else if (get_irn_opcode(pred) == iro_Start) {
- return nr;
- }
-
-// assert(0 && "unsupported Proj(X)");
- return nr;
-}