提交 dd016883 编写于 作者: B bellard

add support for cvt.s.d and cvt.d.s (Aurelien Jarno)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2198 c046a42c-6fe2-441c-8c8c-71466251a162
上级 d37aca66
......@@ -785,12 +785,24 @@ void op_mtc1 (void)
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
FLOAT_OP(cvtd, s)
{
FDT2 = float32_to_float64(WT0, &env->fp_status);
DEBUG_FPU_STATE();
RETURN();
}
FLOAT_OP(cvtd, w)
{
FDT2 = int32_to_float64(WT0, &env->fp_status);
DEBUG_FPU_STATE();
RETURN();
}
FLOAT_OP(cvts, d)
{
FST2 = float64_to_float32(WT0, &env->fp_status);
DEBUG_FPU_STATE();
RETURN();
}
FLOAT_OP(cvts, w)
{
FST2 = int32_to_float32(WT0, &env->fp_status);
......
......@@ -1675,6 +1675,13 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
GEN_STORE_FTN_FREG(fd, WT2);
opn = "ceil.w.d";
break;
case FOP(33, 16): /* cvt.d.s */
CHECK_FR(ctx, fs | fd);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvtd_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.d.s";
break;
case FOP(33, 20): /* cvt.d.w */
CHECK_FR(ctx, fs | fd);
GEN_LOAD_FREG_FTN(WT0, fs);
......@@ -1782,6 +1789,13 @@ static void gen_farith (DisasContext *ctx, int fmt, int ft, int fs, int fd, int
GEN_STORE_FTN_FREG(fd, WT2);
opn = "trunc.w.s";
break;
case FOP(32, 17): /* cvt.s.d */
CHECK_FR(ctx, fs | fd);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvts_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.d";
break;
case FOP(32, 20): /* cvt.s.w */
CHECK_FR(ctx, fs | fd);
GEN_LOAD_FREG_FTN(WT0, fs);
......
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