selects = append(selects, v)
				}

			case OpSelectNAddr:
				call := v.Args[0]
				which := v.AuxInt
				aux := call.Aux.(*AuxCall)
				pt := v.Type
				off := x.offsetFrom(x.f.Entry, x.sp, aux.OffsetOfResult(which), pt)
				v.copyOf(off)
			}
		}

		// rewrite function results from an exit block
		// values returned by function need to be split out into registers.
		if isBlockMultiValueExit(b) {

func (a *AuxCall) ParamAssignmentForResult(which int64) *abi.ABIParamAssignment {
	return a.abiInfo.OutParam(int(which))
}

// OffsetOfResult returns the SP offset of result which (indexed 0, 1, etc).
func (a *AuxCall) OffsetOfResult(which int64) int64 {
	n := int64(a.abiInfo.OutParam(int(which)).Offset())
	return n
}

// OffsetOfArg returns the SP offset of argument which (indexed 0, 1, etc).