Target/Hexagon/HexagonISelDAGToDAGHVX.cpp

320   using ElemType = int;
321   static constexpr ElemType Ignore = ElemType(-1);
333   PermNetwork(ArrayRef<ElemType> Ord, unsigned Mult = 1) {
363   uint8_t ctl(ElemType Pos, unsigned Step) const {
375   std::vector<ElemType> Order;
381   ForwardDeltaNetwork(ArrayRef<ElemType> Ord) : PermNetwork(Ord) {}
391   bool route(ElemType *P, RowType *T, unsigned Size, unsigned Step);
395   ReverseDeltaNetwork(ArrayRef<ElemType> Ord) : PermNetwork(Ord) {}
405   bool route(ElemType *P, RowType *T, unsigned Size, unsigned Step);
409   BenesNetwork(ArrayRef<ElemType> Ord) : PermNetwork(Ord, 2) {}
421   bool route(ElemType *P, RowType *T, unsigned Size, unsigned Step);
425 bool ForwardDeltaNetwork::route(ElemType *P, RowType *T, unsigned Size,
428   ElemType Num = Size;
434   for (ElemType J = 0; J != Num; ++J) {
435     ElemType I = P[J];
447     ElemType U = (S == Pass) ? I : (I < Num/2 ? I+Num/2 : I-Num/2);
457   for (ElemType J = 0; J != Num; ++J)
470 bool ReverseDeltaNetwork::route(ElemType *P, RowType *T, unsigned Size,
474   ElemType Num = Size;
483   for (ElemType J = 0; J != Num; ++J) {
484     ElemType I = P[J];
516   for (ElemType J = 0, E = Size / 2; J != E; ++J) {
517     ElemType PJ = P[J];         // Current values of P[J]
518     ElemType PC = P[J+Size/2];  // and P[conj(J)]
519     ElemType QJ = PJ;           // New values of P[J]
520     ElemType QC = PC;           // and P[conj(J)]
529   for (ElemType J = 0; J != Num; ++J)
542 bool BenesNetwork::route(ElemType *P, RowType *T, unsigned Size,
548   ElemType Num = Size;
557   for (ElemType J = 0; J != Num; ++J) {
558     ElemType I = P[J];
587   for (ElemType J = 0; J != Num/2; ++J) {
588     ElemType PJ = P[J];         // Current values of P[J]
589     ElemType PC = P[J+Num/2];   // and P[conj(J)]
590     ElemType QJ = PJ;           // New values of P[J]
591     ElemType QC = PC;           // and P[conj(J)]
600   for (ElemType J = 0; J != Num; ++J)