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Diffstat (limited to 'src/opt/csw/cswInt.h')
| -rw-r--r-- | src/opt/csw/cswInt.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/opt/csw/cswInt.h b/src/opt/csw/cswInt.h new file mode 100644 index 00000000..e6c10b36 --- /dev/null +++ b/src/opt/csw/cswInt.h @@ -0,0 +1,161 @@ +/**CFile**************************************************************** + + FileName [cswInt.h] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [Cut sweeping.] + + Synopsis [External declarations.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - July 11, 2007.] + + Revision [$Id: cswInt.h,v 1.00 2007/07/11 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#ifndef ABC__aig__csw__cswInt_h +#define ABC__aig__csw__cswInt_h + + +//////////////////////////////////////////////////////////////////////// +/// INCLUDES /// +//////////////////////////////////////////////////////////////////////// + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <time.h> + +#include "src/aig/aig/aig.h" +#include "src/opt/dar/dar.h" +#include "src/bool/kit/kit.h" +#include "csw.h" + +//////////////////////////////////////////////////////////////////////// +/// PARAMETERS /// +//////////////////////////////////////////////////////////////////////// + + + +ABC_NAMESPACE_HEADER_START + + +//////////////////////////////////////////////////////////////////////// +/// BASIC TYPES /// +//////////////////////////////////////////////////////////////////////// + +typedef struct Csw_Man_t_ Csw_Man_t; +typedef struct Csw_Cut_t_ Csw_Cut_t; + +// the cut used to represent node in the AIG +struct Csw_Cut_t_ +{ + Csw_Cut_t * pNext; // the next cut in the table + int Cost; // the cost of the cut +// float Cost; // the cost of the cut + unsigned uSign; // cut signature + int iNode; // the node, for which it is the cut + short nCutSize; // the number of bytes in the cut + char nLeafMax; // the maximum number of fanins + char nFanins; // the current number of fanins + int pFanins[0]; // the fanins (followed by the truth table) +}; + +// the CNF computation manager +struct Csw_Man_t_ +{ + // AIG manager + Aig_Man_t * pManAig; // the input AIG manager + Aig_Man_t * pManRes; // the output AIG manager + Aig_Obj_t ** pEquiv; // the equivalent nodes in the resulting manager + Csw_Cut_t ** pCuts; // the cuts for each node in the output manager + int * pnRefs; // the number of references of each new node + // hash table for cuts + Csw_Cut_t ** pTable; // the table composed of cuts + int nTableSize; // the size of hash table + // parameters + int nCutsMax; // the max number of cuts at the node + int nLeafMax; // the max number of leaves of a cut + int fVerbose; // enables verbose output + // internal variables + int nCutSize; // the number of bytes needed to store one cut + int nTruthWords; // the number of truth table words + Aig_MmFixed_t * pMemCuts; // memory manager for cuts + unsigned * puTemp[4]; // used for the truth table computation + // statistics + int nNodesTriv0; // the number of trivial nodes + int nNodesTriv1; // the number of trivial nodes + int nNodesTriv2; // the number of trivial nodes + int nNodesCuts; // the number of rewritten nodes + int nNodesTried; // the number of nodes tried + int timeCuts; // time to compute the cut and its truth table + int timeHash; // time for hashing cuts + int timeOther; // other time + int timeTotal; // total time +}; + +static inline int Csw_CutLeaveNum( Csw_Cut_t * pCut ) { return pCut->nFanins; } +static inline int * Csw_CutLeaves( Csw_Cut_t * pCut ) { return pCut->pFanins; } +static inline unsigned * Csw_CutTruth( Csw_Cut_t * pCut ) { return (unsigned *)(pCut->pFanins + pCut->nLeafMax); } +static inline Csw_Cut_t * Csw_CutNext( Csw_Cut_t * pCut ) { return (Csw_Cut_t *)(((char *)pCut) + pCut->nCutSize); } + +static inline int Csw_ObjRefs( Csw_Man_t * p, Aig_Obj_t * pObj ) { return p->pnRefs[pObj->Id]; } +static inline void Csw_ObjAddRefs( Csw_Man_t * p, Aig_Obj_t * pObj, int nRefs ) { p->pnRefs[pObj->Id] += nRefs; } + +static inline Csw_Cut_t * Csw_ObjCuts( Csw_Man_t * p, Aig_Obj_t * pObj ) { return p->pCuts[pObj->Id]; } +static inline void Csw_ObjSetCuts( Csw_Man_t * p, Aig_Obj_t * pObj, Csw_Cut_t * pCuts ) { p->pCuts[pObj->Id] = pCuts; } + +static inline Aig_Obj_t * Csw_ObjEquiv( Csw_Man_t * p, Aig_Obj_t * pObj ) { return p->pEquiv[pObj->Id]; } +static inline void Csw_ObjSetEquiv( Csw_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pEquiv ) { p->pEquiv[pObj->Id] = pEquiv; } + +static inline Aig_Obj_t * Csw_ObjChild0Equiv( Csw_Man_t * p, Aig_Obj_t * pObj ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin0(pObj)? Aig_NotCond(Csw_ObjEquiv(p, Aig_ObjFanin0(pObj)), Aig_ObjFaninC0(pObj)) : NULL; } +static inline Aig_Obj_t * Csw_ObjChild1Equiv( Csw_Man_t * p, Aig_Obj_t * pObj ) { assert( !Aig_IsComplement(pObj) ); return Aig_ObjFanin1(pObj)? Aig_NotCond(Csw_ObjEquiv(p, Aig_ObjFanin1(pObj)), Aig_ObjFaninC1(pObj)) : NULL; } + +//////////////////////////////////////////////////////////////////////// +/// MACRO DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// ITERATORS /// +//////////////////////////////////////////////////////////////////////// + +// iterator over cuts of the node +#define Csw_ObjForEachCut( p, pObj, pCut, i ) \ + for ( i = 0, pCut = Csw_ObjCuts(p, pObj); i < p->nCutsMax; i++, pCut = Csw_CutNext(pCut) ) +// iterator over leaves of the cut +#define Csw_CutForEachLeaf( p, pCut, pLeaf, i ) \ + for ( i = 0; (i < (int)(pCut)->nFanins) && ((pLeaf) = Aig_ManObj(p, (pCut)->pFanins[i])); i++ ) + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +/*=== cnfCut.c ========================================================*/ +extern Csw_Cut_t * Csw_ObjPrepareCuts( Csw_Man_t * p, Aig_Obj_t * pObj, int fTriv ); +extern Aig_Obj_t * Csw_ObjSweep( Csw_Man_t * p, Aig_Obj_t * pObj, int fTriv ); +/*=== cnfMan.c ========================================================*/ +extern Csw_Man_t * Csw_ManStart( Aig_Man_t * pMan, int nCutsMax, int nLeafMax, int fVerbose ); +extern void Csw_ManStop( Csw_Man_t * p ); +/*=== cnfTable.c ========================================================*/ +extern int Csw_TableCountCuts( Csw_Man_t * p ); +extern void Csw_TableCutInsert( Csw_Man_t * p, Csw_Cut_t * pCut ); +extern Aig_Obj_t * Csw_TableCutLookup( Csw_Man_t * p, Csw_Cut_t * pCut ); + + + +ABC_NAMESPACE_HEADER_END + + + +#endif + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + |