rjx-mirror/ChocolArm64/Decoder/AOpCodeSimdRegElem.cs

31 lines
No EOL
739 B
C#

using ChocolArm64.Instruction;
namespace ChocolArm64.Decoder
{
class AOpCodeSimdRegElem : AOpCodeSimdReg
{
public int Index { get; private set; }
public AOpCodeSimdRegElem(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
{
switch (Size)
{
case 1:
Index = (OpCode >> 20) & 3 |
(OpCode >> 9) & 4;
Rm &= 0xf;
break;
case 2:
Index = (OpCode >> 21) & 1 |
(OpCode >> 10) & 2;
break;
default: Emitter = AInstEmit.Und; return;
}
}
}
}