diff options
Diffstat (limited to 'src/bool/kit')
-rw-r--r-- | src/bool/kit/kit.h | 13 | ||||
-rw-r--r-- | src/bool/kit/kitDsd.c | 88 |
2 files changed, 93 insertions, 8 deletions
diff --git a/src/bool/kit/kit.h b/src/bool/kit/kit.h index dfee532e..8151f1d2 100644 --- a/src/bool/kit/kit.h +++ b/src/bool/kit/kit.h @@ -112,17 +112,17 @@ struct Kit_DsdObj_t_ unsigned Offset : 8; // offset to the truth table unsigned nRefs : 8; // offset to the truth table unsigned nFans : 6; // the number of fanins of this node - unsigned char pFans[0]; // the fanin literals + unsigned short pFans[0]; // the fanin literals }; // DSD network typedef struct Kit_DsdNtk_t_ Kit_DsdNtk_t; struct Kit_DsdNtk_t_ { - unsigned char nVars; // at most 16 (perhaps 18?) - unsigned char nNodesAlloc; // the number of allocated nodes (at most nVars) - unsigned char nNodes; // the number of nodes - unsigned char Root; // the root of the tree + unsigned short nVars; // at most 16 (perhaps 18?) + unsigned short nNodesAlloc; // the number of allocated nodes (at most nVars) + unsigned short nNodes; // the number of nodes + unsigned short Root; // the root of the tree unsigned * pMem; // memory for the truth tables (memory manager?) unsigned * pSupps; // supports of the nodes Kit_DsdObj_t** pNodes; // the nodes @@ -142,7 +142,7 @@ struct Kit_DsdMan_t_ Vec_Int_t * vNodes; // temporary array for BDD nodes }; -static inline unsigned Kit_DsdObjOffset( int nFans ) { return (nFans >> 2) + ((nFans & 3) > 0); } +static inline unsigned Kit_DsdObjOffset( int nFans ) { return (nFans >> 1) + ((nFans & 1) > 0); } static inline unsigned * Kit_DsdObjTruth( Kit_DsdObj_t * pObj ) { return pObj->Type == KIT_DSD_PRIME ? (unsigned *)pObj->pFans + pObj->Offset: NULL; } static inline int Kit_DsdNtkObjNum( Kit_DsdNtk_t * pNtk ){ return pNtk->nVars + pNtk->nNodes; } static inline Kit_DsdObj_t * Kit_DsdNtkObj( Kit_DsdNtk_t * pNtk, int Id ) { assert( Id >= 0 && Id < pNtk->nVars + pNtk->nNodes ); return Id < pNtk->nVars ? NULL : pNtk->pNodes[Id - pNtk->nVars]; } @@ -538,6 +538,7 @@ extern void Kit_DsdNtkFree( Kit_DsdNtk_t * pNtk ); extern int Kit_DsdNonDsdSizeMax( Kit_DsdNtk_t * pNtk ); extern Kit_DsdObj_t * Kit_DsdNonDsdPrimeMax( Kit_DsdNtk_t * pNtk ); extern unsigned Kit_DsdNonDsdSupports( Kit_DsdNtk_t * pNtk ); +extern int Kit_DsdCountAigNodes( Kit_DsdNtk_t * pNtk ); extern unsigned Kit_DsdGetSupports( Kit_DsdNtk_t * p ); extern Kit_DsdNtk_t * Kit_DsdExpand( Kit_DsdNtk_t * p ); extern Kit_DsdNtk_t * Kit_DsdShrink( Kit_DsdNtk_t * p, int pPrios[] ); diff --git a/src/bool/kit/kitDsd.c b/src/bool/kit/kitDsd.c index 3df16d8c..d026afbc 100644 --- a/src/bool/kit/kitDsd.c +++ b/src/bool/kit/kitDsd.c @@ -1485,7 +1485,7 @@ Kit_DsdNtk_t * Kit_DsdExpand( Kit_DsdNtk_t * p ) SeeAlso [] ***********************************************************************/ -void Kit_DsdCompSort( int pPrios[], unsigned uSupps[], unsigned char * piLits, int nVars, unsigned piLitsRes[] ) +void Kit_DsdCompSort( int pPrios[], unsigned uSupps[], unsigned short * piLits, int nVars, unsigned piLitsRes[] ) { int nSuppSizes[16], Priority[16], pOrder[16]; int i, k, iVarBest, SuppMax, PrioMax; @@ -1827,6 +1827,90 @@ int Kit_DsdFindLargeBox( Kit_DsdNtk_t * pNtk, int Size ) /**Function************************************************************* + Synopsis [Returns 1 if there is a component with more than 3 inputs.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Kit_DsdCountAigNodes_rec( Kit_DsdNtk_t * pNtk, int Id ) +{ + Kit_DsdObj_t * pObj; + unsigned iLit, i, RetValue; + pObj = Kit_DsdNtkObj( pNtk, Id ); + if ( pObj == NULL ) + return 0; + if ( pObj->Type == KIT_DSD_CONST1 || pObj->Type == KIT_DSD_VAR ) + return 0; + if ( pObj->nFans < 2 ) // why this happens? - need to figure out + return 0; + assert( pObj->nFans > 1 ); + if ( pObj->Type == KIT_DSD_AND ) + RetValue = ((int)pObj->nFans - 1); + else if ( pObj->Type == KIT_DSD_XOR ) + RetValue = ((int)pObj->nFans - 1) * 3; + else if ( pObj->Type == KIT_DSD_PRIME ) + { + // assuming MUX decomposition + assert( (int)pObj->nFans == 3 ); + RetValue = 3; + } + else assert( 0 ); + Kit_DsdObjForEachFanin( pNtk, pObj, iLit, i ) + RetValue += Kit_DsdCountAigNodes_rec( pNtk, Abc_Lit2Var(iLit) ); + return RetValue; +} + + +/**Function************************************************************* + + Synopsis [Returns 1 if there is a component with more than 3 inputs.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Kit_DsdCountAigNodes2( Kit_DsdNtk_t * pNtk ) +{ + return Kit_DsdCountAigNodes_rec( pNtk, Abc_Lit2Var(pNtk->Root) ); +} + +/**Function************************************************************* + + Synopsis [Returns 1 if there is a component with more than 3 inputs.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Kit_DsdCountAigNodes( Kit_DsdNtk_t * pNtk ) +{ + Kit_DsdObj_t * pObj; + int i, Counter = 0; + for ( i = 0; i < pNtk->nNodes; i++ ) + { + pObj = pNtk->pNodes[i]; + if ( pObj->Type == KIT_DSD_AND ) + Counter += ((int)pObj->nFans - 1); + else if ( pObj->Type == KIT_DSD_XOR ) + Counter += ((int)pObj->nFans - 1) * 3; + else if ( pObj->Type == KIT_DSD_PRIME ) // assuming MUX decomposition + Counter += 3; + } + return Counter; +} + +/**Function************************************************************* + Synopsis [Returns 1 if the non-DSD 4-var func is implementable with two 3-LUTs.] Description [] @@ -1883,7 +1967,7 @@ int Kit_DsdCheckVar4Dec2( Kit_DsdNtk_t * pNtk0, Kit_DsdNtk_t * pNtk1 ) SeeAlso [] ***********************************************************************/ -void Kit_DsdDecompose_rec( Kit_DsdNtk_t * pNtk, Kit_DsdObj_t * pObj, unsigned uSupp, unsigned char * pPar, int nDecMux ) +void Kit_DsdDecompose_rec( Kit_DsdNtk_t * pNtk, Kit_DsdObj_t * pObj, unsigned uSupp, unsigned short * pPar, int nDecMux ) { Kit_DsdObj_t * pRes, * pRes0, * pRes1; int nWords = Kit_TruthWordNum(pObj->nFans); |