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Fix Fmin/max and add vector version, add and modifying fmin/max tests (#89)

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This commit is contained in:
MS-DOS1999
2018-04-19 05:22:12 +02:00
committed by gdkchan
parent 6e69cd9284
commit 76a5972378
5 changed files with 250 additions and 20 deletions
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76
ChocolArm64/Instruction/ASoftFallback.cs
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@ -256,6 +256,82 @@ namespace ChocolArm64.Instruction
((Value >> 6) & 1) + (Value >> 7);
}
public static float MaxF(float val1, float val2)
{
if (val1 == 0.0 && val2 == 0.0)
{
if (BitConverter.SingleToInt32Bits(val1) < 0 && BitConverter.SingleToInt32Bits(val2) < 0)
return -0.0f;
return 0.0f;
}
if (val1 > val2)
return val1;
if (float.IsNaN(val1))
return val1;
return val2;
}
public static double Max(double val1, double val2)
{
if (val1 == 0.0 && val2 == 0.0)
{
if (BitConverter.DoubleToInt64Bits(val1) < 0 && BitConverter.DoubleToInt64Bits(val2) < 0)
return -0.0;
return 0.0;
}
if (val1 > val2)
return val1;
if (double.IsNaN(val1))
return val1;
return val2;
}
public static float MinF(float val1, float val2)
{
if (val1 == 0.0 && val2 == 0.0)
{
if (BitConverter.SingleToInt32Bits(val1) < 0 || BitConverter.SingleToInt32Bits(val2) < 0)
return -0.0f;
return 0.0f;
}
if (val1 < val2)
return val1;
if (float.IsNaN(val1))
return val1;
return val2;
}
public static double Min(double val1, double val2)
{
if (val1 == 0.0 && val2 == 0.0)
{
if (BitConverter.DoubleToInt64Bits(val1) < 0 || BitConverter.DoubleToInt64Bits(val2) < 0)
return -0.0;
return 0.0;
}
if (val1 < val2)
return val1;
if (double.IsNaN(val1))
return val1;
return val2;
}
public static float RoundF(float Value, int Fpcr)
{
switch ((ARoundMode)((Fpcr >> 22) & 3))