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ryujinx-final/ChocolArm64/Decoders/OpCodeSimdIns64.cs

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using ChocolArm64.Instructions;
namespace ChocolArm64.Decoders
{
class OpCodeSimdIns64 : OpCodeSimd64
{
public int SrcIndex { get; private set; }
public int DstIndex { get; private set; }
public OpCodeSimdIns64(Inst inst, long position, int opCode) : base(inst, position, opCode)
{
int imm4 = (opCode >> 11) & 0xf;
int imm5 = (opCode >> 16) & 0x1f;
if (imm5 == 0b10000)
{
Emitter = InstEmit.Und;
return;
}
Size = imm5 & -imm5;
switch (Size)
{
case 1: Size = 0; break;
case 2: Size = 1; break;
case 4: Size = 2; break;
case 8: Size = 3; break;
}
SrcIndex = imm4 >> Size;
DstIndex = imm5 >> (Size + 1);
}
}
}