/* 0F 0F /r 0D */
void BX_CPP_AttrRegparmN(1) BX_CPU_C::PI2FD_PqQq(bxInstruction_c *i)
{
BxPackedMmxRegister result, op;
BX_CPU_THIS_PTR prepareMMX();
/* op is a register or memory reference */
if (i->modC0()) {
op = BX_READ_MMX_REG(i->rm());
}
else {
BX_CPU_CALL_METHODR(i->ResolveModrm, (i));
/* pointer, segment address pair */
MMXUQ(op) = read_virtual_qword(i->seg(), RMAddr(i));
}
float_status_t status_word;
prepare_softfloat_status_word(status_word, float_round_to_zero);
MMXUD0(result) =
int32_to_float32(MMXSD0(op), status_word);
MMXUD1(result) =
int32_to_float32(MMXSD1(op), status_word);
/* now write result back to destination */
BX_WRITE_MMX_REG(i->nnn(), result);
}
uint32_t helper_flt(CPUMBState *env, uint32_t a)
{
CPU_FloatU fd, fa;
fa.l = a;
fd.f = int32_to_float32(fa.l, &env->fp_status);
return fd.l;
}
float32 helper_float_FT(CPUSH4State *env, uint32_t t0)
{
float32 ret;
set_float_exception_flags(0, &env->fp_status);
ret = int32_to_float32(t0, &env->fp_status);
update_fpscr(env, GETPC());
return ret;
}
unsigned int PerformFLT(const unsigned int opcode)
{
FPA11 *fpa11 = GET_FPA11();
struct roundingData roundData;
roundData.mode = SetRoundingMode(opcode);
roundData.precision = SetRoundingPrecision(opcode);
roundData.exception = 0;
switch (opcode & MASK_ROUNDING_PRECISION) {
case ROUND_SINGLE:
{
fpa11->fType[getFn(opcode)] = typeSingle;
fpa11->fpreg[getFn(opcode)].fSingle = int32_to_float32(&roundData, readRegister(getRd(opcode)));
}
break;
case ROUND_DOUBLE:
{
fpa11->fType[getFn(opcode)] = typeDouble;
fpa11->fpreg[getFn(opcode)].fDouble = int32_to_float64(readRegister(getRd(opcode)));
}
break;
#ifdef CONFIG_FPE_NWFPE_XP
case ROUND_EXTENDED:
{
fpa11->fType[getFn(opcode)] = typeExtended;
fpa11->fpreg[getFn(opcode)].fExtended = int32_to_floatx80(readRegister(getRd(opcode)));
}
break;
#endif
default:
return 0;
}
if (roundData.exception)
float_raise(roundData.exception);
return 1;
}
/* convert 32-bit int to 32-bit float */
void HELPER(cefbr)(CPUS390XState *env, uint32_t f1, int32_t v2)
{
env->fregs[f1].l.upper = int32_to_float32(v2, &env->fpu_status);
HELPER_LOG("%s: converting %d to 0x%d in f%d\n", __func__, v2,
env->fregs[f1].l.upper, f1);
}
float32 HELPER(itof)(CPUXtensaState *env, uint32_t v, uint32_t scale)
{
return float32_scalbn(int32_to_float32(v, &env->fp_status),
(int32_t)scale, &env->fp_status);
}
uint32_t helper_float_FT(uint32_t t0)
{
CPU_FloatU f;
f.f = int32_to_float32(t0, &env->fp_status);
return f.l;
}
float32 __floatsisf(int I)
{
return int32_to_float32(I);
}
float32 __aeabi_i2f(int a)
{
return int32_to_float32(a);
}
