rjx-mirror/ARMeilleure/Decoders/OpCode32SimdDupGP.cs
2022-09-10 23:03:14 -03:00

36 lines
1.3 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdDupGP : OpCode32, IOpCode32Simd
{
public int Size { get; }
public int Vd { get; }
public int Rt { get; }
public bool Q { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupGP(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdDupGP(inst, address, opCode, true);
public OpCode32SimdDupGP(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode)
{
IsThumb = isThumb;
Size = 2 - (((opCode >> 21) & 0x2) | ((opCode >> 5) & 0x1)); // B:E - 0 for 32, 16 then 8.
if (Size == -1)
{
Instruction = InstDescriptor.Undefined;
return;
}
Q = ((opCode >> 21) & 0x1) != 0;
RegisterSize = Q ? RegisterSize.Simd128 : RegisterSize.Simd64;
Vd = ((opCode >> 3) & 0x10) | ((opCode >> 16) & 0xf);
Rt = ((opCode >> 12) & 0xf);
if (DecoderHelper.VectorArgumentsInvalid(Q, Vd))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}