/// <summary>
/// <para>Before: %eax = left, %ebx = right, stack unchanged.</para>
/// <para>After: with SetULong, %eax = left op right, stack unchanged.</para>
/// </summary>
public override sealed void OperateULong(CGenState state) {
state.CMPL(Reg.EBX, Reg.EAX);
SetULong(state);
state.MOVZBL(Reg.AL, Reg.EAX);
}