public OpCodeAluImm(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
if (DataOp == DataOp.Arithmetic)
{
Immediate = (opCode >> 10) & 0xfff;
int shift = (opCode >> 22) & 3;
Immediate <<= shift * 12;
}
else if (DataOp == DataOp.Logical)
{
var bm = DecoderHelper.DecodeBitMask(opCode, true);
if (bm.IsUndefined)
{
Instruction = InstDescriptor.Undefined;
return;
}
Immediate = bm.WMask;
}
else
{
throw new ArgumentException(nameof(opCode));
}
}
public OpCode32SimdCvtFFixed(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
Opc = (opCode >> 8) & 0x1;
Size = Opc == 1 ? 0 : 2;
Fbits = 64 - ((opCode >> 16) & 0x3f);
if (((opCode >> 21) & 0x1) == 0)
{
Instruction = InstDescriptor.Undefined;
}
if (DecoderHelper.VectorArgumentsInvalid(Q, Vd, Vm))
{
Instruction = InstDescriptor.Undefined;
}
}
