public void FCHS() => this.os.WriteLine(" fchs");
public override Reg CGenValue(CGenState state) { Reg ret = this.Expr.CGenValue(state); switch (ret) { case Reg.EAX: state.NEG(Reg.EAX); return Reg.EAX; case Reg.ST0: state.FCHS(); return Reg.ST0; default: throw new InvalidProgramException(); } }