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interp: Correct vfim for -inf and similar.

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Was dropping the sign bit before for inf and nan.
This commit is contained in:
Unknown W. Brackets committed 2019-03-30 12:27:56 -07:00
1 parent 26d78c7cd1
commit e971c4ded5
1 file changed
+5 -7
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Core/MIPS/MIPSVFPUUtils.cpp
+5 -7
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@@ -538,19 +538,17 @@ float Float16ToFloat32(unsigned short l)
int exponent = (float16 >> VFPU_SH_FLOAT16_EXP) & VFPU_MASK_FLOAT16_EXP;
unsigned int fraction = float16 & VFPU_MASK_FLOAT16_FRAC;
float signf = (sign == 1) ? -1.0f : 1.0f;
float f;
if (exponent == VFPU_FLOAT16_EXP_MAX)
{
if (fraction == 0)
f = std::numeric_limits<float>::infinity(); //(*info->fprintf_func) (info->stream, "%cInf", signchar);
else
f = std::numeric_limits<float>::quiet_NaN(); //(*info->fprintf_func) (info->stream, "%cNaN", signchar);
float2int.i = sign << 31;
float2int.i |= 255 << 23;
float2int.i |= fraction;
f = float2int.f;
}
else if (exponent == 0 && fraction == 0)
{
f = 0.0f * signf;
f = sign == 1 ? -0.0f : 0.0f;
}
else
{