Ryujinx/ARMeilleure/Decoders/OpCode32SimdShImmLong.cs

44 lines
1.4 KiB
C#

namespace ARMeilleure.Decoders
{
class OpCode32SimdShImmLong : OpCode32Simd
{
public int Shift { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdShImmLong(inst, address, opCode, false);
public new static OpCode CreateT32(InstDescriptor inst, ulong address, int opCode) => new OpCode32SimdShImmLong(inst, address, opCode, true);
public OpCode32SimdShImmLong(InstDescriptor inst, ulong address, int opCode, bool isThumb) : base(inst, address, opCode, isThumb)
{
Q = false;
RegisterSize = RegisterSize.Simd64;
int imm6 = (opCode >> 16) & 0x3f;
if ((imm6 & 0x20) == 0b100000)
{
Size = 2;
Shift = imm6 - 32;
}
else if ((imm6 & 0x30) == 0b010000)
{
Size = 1;
Shift = imm6 - 16;
}
else if ((imm6 & 0x38) == 0b001000)
{
Size = 0;
Shift = imm6 - 8;
}
else
{
Instruction = InstDescriptor.Undefined;
}
if (GetType() == typeof(OpCode32SimdShImmLong) && DecoderHelper.VectorArgumentsInvalid(true, Vd))
{
Instruction = InstDescriptor.Undefined;
}
}
}
}