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Ryujinx/ARMeilleure/Decoders/OpCode32SimdImm.cs

38 lines
1.3 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdImm : OpCode32SimdBase, IOpCode32SimdImm
{
public bool Q { get; }
public long Immediate { get; }
public int Elems => GetBytesCount() >> Size;
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm(inst, address, opCode, false);
public static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdImm(inst, address, opCode, true);
public OpCode32SimdImm(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
{
Vd = (opCode >> 12) & 0xf;
Vd |= (opCode >> 18) & 0x10;
Q = ((opCode >> 6) & 0x1) > 0;
int cMode = (opCode >> 8) & 0xf;
int op = (opCode >> 5) & 0x1;
long imm;
imm = ((uint)opCode >> 0) & 0xf;
imm |= ((uint)opCode >> 12) & 0x70;
imm |= ((uint)opCode >> (isThumb ? 21 : 17)) & 0x80;
(Immediate, Size) = OpCodeSimdHelper.GetSimdImmediateAndSize(cMode, op, imm);
RegisterSize = Q ? RegisterSize.Simd128 : RegisterSize.Simd64;
if (DecoderHelper.VectorArgumentsInvalid(Q, Vd))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}