ABC_NAMESPACE_IMPL_START //////////////////////////////////////////////////////////////////////// /// DECLARATIONS /// //////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// //////////////////////////////////////////////////////////////////////// /**Function************************************************************* Synopsis [Copies the topmost levels of the network.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Abc_Obj_t * Abc_NtkSensitivityMiter_rec( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pNode ) { assert( !Abc_ObjIsComplement(pNode) ); if ( pNode->pCopy ) return pNode->pCopy; Abc_NtkSensitivityMiter_rec( pNtkNew, Abc_ObjFanin0(pNode) ); Abc_NtkSensitivityMiter_rec( pNtkNew, Abc_ObjFanin1(pNode) ); return pNode->pCopy = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, Abc_ObjChild0Copy(pNode), Abc_ObjChild1Copy(pNode) ); }
/**Function************************************************************* Synopsis [Maps virtual latches into real latches.] Description [Creates new latches and assigns them to virtual latches on the edges of a sequential AIG. The nodes of the new network should be created before this procedure is called.] SideEffects [] SeeAlso [] ***********************************************************************/ void Seq_NtkShareLatches( Abc_Ntk_t * pNtkNew, Abc_Ntk_t * pNtk ) { Abc_Obj_t * pObj, * pFanin; stmm_table * tLatchMap; int i; assert( Abc_NtkIsSeq( pNtk ) ); tLatchMap = stmm_init_table( stmm_ptrcmp, stmm_ptrhash ); Abc_AigForEachAnd( pNtk, pObj, i ) { pFanin = Abc_ObjFanin0(pObj); Seq_NtkShareLatches_rec( pNtkNew, pFanin->pCopy, Seq_NodeGetRing(pObj,0), Seq_NodeCountLats(pObj,0), tLatchMap ); pFanin = Abc_ObjFanin1(pObj); Seq_NtkShareLatches_rec( pNtkNew, pFanin->pCopy, Seq_NodeGetRing(pObj,1), Seq_NodeCountLats(pObj,1), tLatchMap ); }
Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pObj, i ) { for ( pNext = pObj? pObj->pCopy : pObj; pObj; pObj = pNext, pNext = pObj? pObj->pCopy : pObj ) { pFanin = Abc_ObjFanin0(pObj); if ( !Abc_NodeIsTravIdCurrent(pFanin) ) pFanin->pData = Abc_NtkSensitivityMiter_rec( pMiter, pFanin ); pFanin = Abc_ObjFanin1(pObj); if ( !Abc_NodeIsTravIdCurrent(pFanin) ) pFanin->pData = Abc_NtkSensitivityMiter_rec( pMiter, pFanin ); pObj->pCopy = Abc_AigAnd( (Abc_Aig_t *)pMiter->pManFunc, Abc_ObjChild0Copy(pObj), Abc_ObjChild1Copy(pObj) ); pObj->pData = Abc_AigAnd( (Abc_Aig_t *)pMiter->pManFunc, Abc_ObjChild0Data(pObj), Abc_ObjChild1Data(pObj) ); } }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ unsigned Abc_Ntk4VarObj( Vec_Ptr_t * vNodes ) { Abc_Obj_t * pObj; unsigned uTruth0, uTruth1; int i; Vec_PtrForEachEntry( vNodes, pObj, i ) { uTruth0 = (unsigned)(Abc_ObjFanin0(pObj)->pCopy); uTruth1 = (unsigned)(Abc_ObjFanin1(pObj)->pCopy); if ( Abc_ObjFaninC0(pObj) ) uTruth0 = ~uTruth0; if ( Abc_ObjFaninC1(pObj) ) uTruth1 = ~uTruth1; pObj->pCopy = (void *)(uTruth0 & uTruth1); }
Vec_PtrForEachEntry( vNodes, pNode, i ) { Extra_ProgressBarUpdate( pProgress, i, NULL ); // add the node to the mapper pNodeFpga = Fpga_NodeAnd( pMan, Fpga_NotCond( Abc_ObjFanin0(pNode)->pCopy, Abc_ObjFaninC0(pNode) ), Fpga_NotCond( Abc_ObjFanin1(pNode)->pCopy, Abc_ObjFaninC1(pNode) ) ); assert( pNode->pCopy == NULL ); // remember the node pNode->pCopy = (Abc_Obj_t *)pNodeFpga; if ( pSwitching ) Fpga_NodeSetSwitching( pNodeFpga, pSwitching[pNode->Id] ); // set up the choice node if ( Abc_AigNodeIsChoice( pNode ) ) for ( pPrev = pNode, pFanin = pNode->pData; pFanin; pPrev = pFanin, pFanin = pFanin->pData ) { Fpga_NodeSetNextE( (Fpga_Node_t *)pPrev->pCopy, (Fpga_Node_t *)pFanin->pCopy ); Fpga_NodeSetRepr( (Fpga_Node_t *)pFanin->pCopy, (Fpga_Node_t *)pNode->pCopy ); } }
/**Function************************************************************* Synopsis [] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ void Abc_Ntk4VarObjPrint_rec( Abc_Obj_t * pObj ) { if ( pObj == Abc_AigConst1(pObj->pNtk) ) { printf( "1" ); return; } if ( Abc_ObjIsPi(pObj) ) { printf( "%c", pObj->Id - 1 + 'a' ); return; } printf( "(" ); Abc_Ntk4VarObjPrint_rec( Abc_ObjFanin0(pObj) ); if ( Abc_ObjFaninC0(pObj) ) printf( "\'" ); Abc_Ntk4VarObjPrint_rec( Abc_ObjFanin1(pObj) ); if ( Abc_ObjFaninC1(pObj) ) printf( "\'" ); printf( ")" ); }
int Abc_NodeFanin1Copy2( Abc_Obj_t * pObj ) { return Abc_LitNotCond( Abc_ObjFanin1(pObj)->iTemp, Abc_ObjFaninC1(pObj) ); }
static inline int Abc_ObjGetXsimFanin1( Abc_Obj_t * pObj ) { int RetValue; RetValue = Abc_ObjGetXsim(Abc_ObjFanin1(pObj)); return Abc_ObjFaninC1(pObj)? Abc_XsimInv(RetValue) : RetValue; }
/**Function************************************************************* Synopsis [Load the network into manager.] Description [] SideEffects [] SeeAlso [] ***********************************************************************/ Map_Man_t * Abc_NtkToMap( Abc_Ntk_t * pNtk, double DelayTarget, int fRecovery, float * pSwitching, int fVerbose ) { Map_Man_t * pMan; Map_Node_t * pNodeMap; Vec_Ptr_t * vNodes; Abc_Obj_t * pNode, * pFanin, * pPrev; int i; assert( Abc_NtkIsStrash(pNtk) ); // start the mapping manager and set its parameters pMan = Map_ManCreate( Abc_NtkPiNum(pNtk) + Abc_NtkLatchNum(pNtk) - pNtk->nBarBufs, Abc_NtkPoNum(pNtk) + Abc_NtkLatchNum(pNtk) - pNtk->nBarBufs, fVerbose ); if ( pMan == NULL ) return NULL; Map_ManSetAreaRecovery( pMan, fRecovery ); Map_ManSetOutputNames( pMan, Abc_NtkCollectCioNames(pNtk, 1) ); Map_ManSetDelayTarget( pMan, (float)DelayTarget ); Map_ManSetInputArrivals( pMan, Abc_NtkMapCopyCiArrival(pNtk, Abc_NtkGetCiArrivalTimes(pNtk)) ); Map_ManSetOutputRequireds( pMan, Abc_NtkMapCopyCoRequired(pNtk, Abc_NtkGetCoRequiredTimes(pNtk)) ); // create PIs and remember them in the old nodes Abc_NtkCleanCopy( pNtk ); Abc_AigConst1(pNtk)->pCopy = (Abc_Obj_t *)Map_ManReadConst1(pMan); Abc_NtkForEachCi( pNtk, pNode, i ) { if ( i == Abc_NtkCiNum(pNtk) - pNtk->nBarBufs ) break; pNodeMap = Map_ManReadInputs(pMan)[i]; pNode->pCopy = (Abc_Obj_t *)pNodeMap; if ( pSwitching ) Map_NodeSetSwitching( pNodeMap, pSwitching[pNode->Id] ); } // load the AIG into the mapper vNodes = Abc_AigDfsMap( pNtk ); Vec_PtrForEachEntry( Abc_Obj_t *, vNodes, pNode, i ) { if ( Abc_ObjIsLatch(pNode) ) { pFanin = Abc_ObjFanin0(pNode); pNodeMap = Map_NodeBuf( pMan, Map_NotCond( Abc_ObjFanin0(pFanin)->pCopy, (int)Abc_ObjFaninC0(pFanin) ) ); Abc_ObjFanout0(pNode)->pCopy = (Abc_Obj_t *)pNodeMap; continue; } assert( Abc_ObjIsNode(pNode) ); // add the node to the mapper pNodeMap = Map_NodeAnd( pMan, Map_NotCond( Abc_ObjFanin0(pNode)->pCopy, (int)Abc_ObjFaninC0(pNode) ), Map_NotCond( Abc_ObjFanin1(pNode)->pCopy, (int)Abc_ObjFaninC1(pNode) ) ); assert( pNode->pCopy == NULL ); // remember the node pNode->pCopy = (Abc_Obj_t *)pNodeMap; if ( pSwitching ) Map_NodeSetSwitching( pNodeMap, pSwitching[pNode->Id] ); // set up the choice node if ( Abc_AigNodeIsChoice( pNode ) ) for ( pPrev = pNode, pFanin = (Abc_Obj_t *)pNode->pData; pFanin; pPrev = pFanin, pFanin = (Abc_Obj_t *)pFanin->pData ) { Map_NodeSetNextE( (Map_Node_t *)pPrev->pCopy, (Map_Node_t *)pFanin->pCopy ); Map_NodeSetRepr( (Map_Node_t *)pFanin->pCopy, (Map_Node_t *)pNode->pCopy ); } } assert( Map_ManReadBufNum(pMan) == pNtk->nBarBufs ); Vec_PtrFree( vNodes ); // set the primary outputs in the required phase Abc_NtkForEachCo( pNtk, pNode, i ) { if ( i == Abc_NtkCoNum(pNtk) - pNtk->nBarBufs ) break; Map_ManReadOutputs(pMan)[i] = Map_NotCond( (Map_Node_t *)Abc_ObjFanin0(pNode)->pCopy, (int)Abc_ObjFaninC0(pNode) ); } return pMan; }
Abc_Ntk_t * My_Command_Associative(Abc_Ntk_t * pNtk) {// check abc.h and abcNtk.c(Abc_ntkDup, duplication) freeXXX //a new network to return printf("inside the My_Command_Associative\n"); Abc_Ntk_t * new_pNtk; Abc_Obj_t * pObj; int i, j,k,m; int changed = 0; //check partial nodes satisfying a certain associative law Abc_NtkForEachObj( pNtk, pObj, i) { //printf("Node ID: %d \n", Abc_ObjId(pObj)); //printf("FanInNum: %d \n",Abc_ObjFaninNum(pObj)); if(changed <1 && Abc_ObjFaninNum(pObj) == 2 && !Abc_ObjFaninC0(pObj) && !Abc_ObjFaninC1(pObj) ) { Abc_Obj_t * pFanin_0 = Abc_ObjFanin0(pObj); Abc_Obj_t * pFanin_1 = Abc_ObjFanin1(pObj); // (x*y)*z => x*(y*z) if(changed <1 && Abc_ObjFaninNum(pFanin_0) == 2 && !Abc_ObjFaninC0(pFanin_0) && !Abc_ObjFaninC1(pFanin_0) ) // (x*y)*z => x*(y*z) { printf("1st Condition, Node ID: %d\n",Abc_ObjId(pObj) ); printf("Abc_ObjFaninNum(pFanin_0): Node ID: %d\n",Abc_ObjId(pFanin_0) ); Abc_Obj_t * tempObj; Abc_Obj_t * pFanin_0_0 = Abc_ObjFanin0(pFanin_0); Abc_Obj_t * pFanin_0_1 = Abc_ObjFanin1(pFanin_0); Abc_Obj_t * NewParentNode = Abc_NtkDupObj(pNtk, pObj, 1); Abc_Obj_t * NewChildNode = Abc_NtkDupObj(pNtk, pFanin_0, 1); int FanoutNum = Abc_ObjFanoutNum(pObj); for (j=0; j<FanoutNum; j++) { tempObj = Abc_ObjFanout(pObj, j); Abc_ObjDeleteFanin( tempObj , pObj ); Abc_ObjAddFanin( tempObj, NewParentNode); } printf("ParentNode Created and connected\n" ); Abc_ObjAddFanin(NewParentNode,pFanin_0_0 ); Abc_ObjAddFanin( NewParentNode, NewChildNode ); Abc_ObjAddFanin( NewChildNode, pFanin_0_1); Abc_ObjAddFanin(NewChildNode,pFanin_1 ); printf("ChildNode Created and connected\n" ); printf("Abc_ObjFanoutNum(pFanin_0): %d\n",Abc_ObjFanoutNum(pFanin_0) ); if(Abc_ObjFanoutNum(pFanin_0)>1) { printf("pFanin_0 's FanOut > 1\n" ); } else { Abc_ObjForEachFanin(pFanin_0,tempObj, k ) { Abc_ObjDeleteFanin(pFanin_0,tempObj); } Abc_NtkDeleteObj(pFanin_0); } Abc_ObjForEachFanin(pObj,tempObj, k ) { Abc_ObjDeleteFanin(pObj,tempObj); }