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namespace ARMeilleure.Decoders
{
class OpCode32SimdDupElem : OpCode32Simd
{
public int Index { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupElem(inst, address, opCode, false);
public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupElem(inst, address, opCode, true);
public OpCode32SimdDupElem(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
{
var opc = (opCode >> 16) & 0xf;
if ((opc & 0b1) == 1)
{
Size = 0;
Index = (opc >> 1) & 0x7;
}
else if ((opc & 0b11) == 0b10)
{
Size = 1;
Index = (opc >> 2) & 0x3;
}
else if ((opc & 0b111) == 0b100)
{
Size = 2;
Index = (opc >> 3) & 0x1;
}
else
{
Instruction = InstDescriptor.Undefined;
}
Vd = ((opCode >> 18) & 0x10) | ((opCode >> 12) & 0xf);
Vm = ((opCode >> 1) & 0x10) | ((opCode >> 0) & 0xf);
if (DecoderHelper.VectorArgumentsInvalid(Q, Vd))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}
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