if _, ok := v.Aux.(s390x.CCMask); !ok {
					f.Fatalf("bad type %T for S390XCCMask in %v", v.Aux, v)
				}
				canHaveAux = true
			case auxS390XRotateParams:
				if _, ok := v.Aux.(s390x.RotateParams); !ok {
					f.Fatalf("bad type %T for S390XRotateParams in %v", v.Aux, v)
				}
				canHaveAux = true
			case auxFlagConstant:
				if v.AuxInt < 0 || v.AuxInt > 15 {

		return "Sym"
	case "Typ":
		return "*types.Type"
	case "TypSize":
		return "*types.Type"
	case "S390XCCMask":
		return "s390x.CCMask"
	case "S390XRotateParams":
		return "s390x.RotateParams"
	default:
		return "invalid"
	}
}

// auxIntType returns the Go type that this operation should store in its auxInt field.
func (op opData) auxIntType() string {
	switch op.aux {

}
func auxToCall(i Aux) *AuxCall {
	return i.(*AuxCall)
}
func auxToS390xCCMask(i Aux) s390x.CCMask {
	return i.(s390x.CCMask)
}
func auxToS390xRotateParams(i Aux) s390x.RotateParams {
	return i.(s390x.RotateParams)
}

func StringToAux(s string) Aux {
	return stringAux(s)
}
func symToAux(s Sym) Aux {
	return s
}
func callToAux(s *AuxCall) Aux {
	return s
}