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temporary hack to handle register shortage with dyngen for qemu_st64() 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4438 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-05-12 13:49:14 +00:00
parent ec95da6cfb
commit 6a8d7b7637
2 changed files with 41 additions and 0 deletions
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39
tcg/tcg.c
View File

@ -308,6 +308,45 @@ TCGv tcg_global_reg_new(TCGType type, int reg, const char *name)
return MAKE_TCGV(idx);
}
#if TCG_TARGET_REG_BITS == 32
/* temporary hack to avoid register shortage for tcg_qemu_st64() */
TCGv tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2,
const char *name)
{
TCGContext *s = &tcg_ctx;
TCGTemp *ts;
int idx;
char buf[64];
if (type != TCG_TYPE_I64)
tcg_abort();
idx = s->nb_globals;
tcg_temp_alloc(s, s->nb_globals + 2);
ts = &s->temps[s->nb_globals];
ts->base_type = type;
ts->type = TCG_TYPE_I32;
ts->fixed_reg = 1;
ts->reg = reg1;
ts->val_type = TEMP_VAL_REG;
pstrcpy(buf, sizeof(buf), name);
pstrcat(buf, sizeof(buf), "_0");
ts->name = strdup(buf);
ts++;
ts->base_type = type;
ts->type = TCG_TYPE_I32;
ts->fixed_reg = 1;
ts->reg = reg2;
ts->val_type = TEMP_VAL_REG;
pstrcpy(buf, sizeof(buf), name);
pstrcat(buf, sizeof(buf), "_1");
ts->name = strdup(buf);
s->nb_globals += 2;
return MAKE_TCGV(idx);
}
#endif
TCGv tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset,
const char *name)
{

2
tcg/tcg.h
View File

@ -267,6 +267,8 @@ void tcg_set_frame(TCGContext *s, int reg,
tcg_target_long start, tcg_target_long size);
void tcg_set_macro_func(TCGContext *s, TCGMacroFunc *func);
TCGv tcg_global_reg_new(TCGType type, int reg, const char *name);
TCGv tcg_global_reg2_new_hack(TCGType type, int reg1, int reg2,
const char *name);
TCGv tcg_global_mem_new(TCGType type, int reg, tcg_target_long offset,
const char *name);
TCGv tcg_temp_new(TCGType type);