if e.PredicateFunc == nil {
		e.PredicateFunc = func(label labels.Selector, field fields.Selector) storage.SelectionPredicate {
			return storage.SelectionPredicate{
				Label:    label,
				Field:    field,
				GetAttrs: attrFunc,
			}
		}
	}

	err := validateIndexers(options.Indexers)
	if err != nil {
		return err
	}

	opts, err := options.RESTOptions.GetRESTOptions(e.DefaultQualifiedResource)

		op1 := (x >> 16) & 7
		cn := (x >> 12) & 15
		cm := (x >> 8) & 15
		op2 := (x >> 5) & 7
		sysInst := sysInstFields{uint8(op1), uint8(cn), uint8(cm), uint8(op2)}
		attrs := sysInst.getAttrs()
		reg := int(x & 31)
		if !attrs.hasOperand2 {
			if reg == 31 {
				return sysOp{sysInst, 0, false}
			}
			// This instruction is undefined if the Rt field is not set to 31.
			return nil
		}