public OpCodeAluImm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
{
if (DataOp == DataOp.Arithmetic)
{
Imm = (opCode >> 10) & 0xfff;
int shift = (opCode >> 22) & 3;
Imm <<= shift * 12;
}
else if (DataOp == DataOp.Logical)
{
var bm = DecoderHelper.DecodeBitMask(opCode, true);
if (bm.IsUndefined)
{
Emitter = InstEmit.Und;
return;
}
Imm = bm.WMask;
}
else
{
throw new ArgumentException(nameof(opCode));
}
}
public OpCodeBfm64(Inst inst, long position, int opCode) : base(inst, position, opCode)
{
var bm = DecoderHelper.DecodeBitMask(opCode, false);
if (bm.IsUndefined)
{
Emitter = InstEmit.Und;
return;
}
WMask = bm.WMask;
TMask = bm.TMask;
Pos = bm.Pos;
Shift = bm.Shift;
}
