RyuKen/ARMeilleure/Decoders/OpCode32SimdReg.cs

25 lines
1.1 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdReg : OpCode32Simd
{
public int Vn { get; }
public int Qn => GetQuadwordIndex(Vn);
public int In => GetQuadwordSubindex(Vn) << (3 - Size);
public int Fn => GetQuadwordSubindex(Vn) << (1 - (Size & 1));
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdReg(inst, address, opCode, false);
public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdReg(inst, address, opCode, true);
public OpCode32SimdReg(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
{
Vn = ((opCode >> 3) & 0x10) | ((opCode >> 16) & 0xf);
// Subclasses have their own handling of Vx to account for before checking.
if (GetType() == typeof(OpCode32SimdReg) && DecoderHelper.VectorArgumentsInvalid(Q, Vd, Vm, Vn))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}