func (a *AuxCall) OffsetOfArg(which int64) int64 {
	n := int64(a.abiInfo.InParam(int(which)).Offset())
	return n
}

// RegsOfResult returns the register(s) used for result which (indexed 0, 1, etc).
func (a *AuxCall) RegsOfResult(which int64) []abi.RegIndex {
	return a.abiInfo.OutParam(int(which)).Registers
}

// RegsOfArg returns the register(s) used for argument which (indexed 0, 1, etc).

		if mem == nil {
			mem = call.Block.NewValue1I(call.Pos, OpSelectN, types.TypeMem, int64(aux.abiInfo.OutRegistersUsed()), call)
			x.memForCall[call.ID] = mem
		}

		i := v.AuxInt
		regs := aux.RegsOfResult(i)

		// If this select cannot fit into SSA and is stored, either disaggregate to register stores, or mem-mem move.
		if store := x.wideSelects[v]; store != nil {
			// Use the mem that comes from the store operation.