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/**CFile****************************************************************
FileName [cgtInt.h]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Clock gating package.]
Synopsis [Internal declarations.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: cgtInt.h,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#ifndef ABC__aig__cgt__cgtInt_h
#define ABC__aig__cgt__cgtInt_h
////////////////////////////////////////////////////////////////////////
/// INCLUDES ///
////////////////////////////////////////////////////////////////////////
#include "aig/saig/saig.h"
#include "sat/bsat/satSolver.h"
#include "sat/cnf/cnf.h"
#include "cgt.h"
////////////////////////////////////////////////////////////////////////
/// PARAMETERS ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_HEADER_START
////////////////////////////////////////////////////////////////////////
/// BASIC TYPES ///
////////////////////////////////////////////////////////////////////////
typedef struct Cgt_Man_t_ Cgt_Man_t;
struct Cgt_Man_t_
{
// user's data
Cgt_Par_t * pPars; // user's parameters
Aig_Man_t * pAig; // user's AIG manager
Vec_Int_t * vUseful; // user's candidate nodes
// user's constraints
Aig_Man_t * pCare; // constraint cones
Vec_Vec_t * vSuppsInv; // inverse support of the constraints
// result of clock-gating
Vec_Vec_t * vGatesAll; // the computed clock-gates
Vec_Ptr_t * vGates; // the selected clock-gates
// internal data
Aig_Man_t * pFrame; // clock gate AIG manager
Vec_Ptr_t * vFanout; // temporary storage for fanouts
Vec_Ptr_t * vVisited; // temporary storage for visited nodes
// SAT solving
Aig_Man_t * pPart; // partition
Cnf_Dat_t * pCnf; // CNF of the partition
sat_solver * pSat; // SAT solver
Vec_Ptr_t * vPatts; // simulation patterns
int nPatts; // the number of patterns accumulated
int nPattWords; // the number of pattern words
// statistics
int nRecycles; // recycles
int nCalls; // total calls
int nCallsSat; // satisfiable calls
int nCallsUnsat; // unsatisfiable calls
int nCallsUndec; // undecided calls
int nCallsFiltered; // filtered out calls
abctime timeAig; // constructing AIG
abctime timePrepare; // partitioning and SAT solving
abctime timeSat; // total runtime
abctime timeSatSat; // satisfiable runtime
abctime timeSatUnsat; // unsatisfiable runtime
abctime timeSatUndec; // undecided runtime
abctime timeDecision; // making decision about what gates to use
abctime timeOther; // other runtime
abctime timeTotal; // total runtime
};
////////////////////////////////////////////////////////////////////////
/// MACRO DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
/*=== cgtAig.c ==========================================================*/
extern void Cgt_ManDetectCandidates( Aig_Man_t * pAig, Vec_Int_t * vUseful, Aig_Obj_t * pObj, int nLevelMax, Vec_Ptr_t * vCands );
extern Aig_Man_t * Cgt_ManDeriveAigForGating( Cgt_Man_t * p );
extern Aig_Man_t * Cgt_ManDupPartition( Aig_Man_t * pAig, int nVarsMin, int nFlopsMin, int iStart, Aig_Man_t * pCare, Vec_Vec_t * vSuppsInv, int * pnOutputs );
extern Aig_Man_t * Cgt_ManDeriveGatedAig( Aig_Man_t * pAig, Vec_Vec_t * vGates, int fReduce, int * pnUsedNodes );
/*=== cgtDecide.c ==========================================================*/
extern Vec_Vec_t * Cgt_ManDecideSimple( Aig_Man_t * pAig, Vec_Vec_t * vGatesAll, int nOdcMax, int fVerbose );
extern Vec_Vec_t * Cgt_ManDecideArea( Aig_Man_t * pAig, Vec_Vec_t * vGatesAll, int nOdcMax, int fVerbose );
/*=== cgtMan.c ==========================================================*/
extern Cgt_Man_t * Cgt_ManCreate( Aig_Man_t * pAig, Aig_Man_t * pCare, Cgt_Par_t * pPars );
extern void Cgt_ManClean( Cgt_Man_t * p );
extern void Cgt_ManStop( Cgt_Man_t * p );
/*=== cgtSat.c ==========================================================*/
extern int Cgt_CheckImplication( Cgt_Man_t * p, Aig_Obj_t * pGate, Aig_Obj_t * pFlop );
ABC_NAMESPACE_HEADER_END
#endif
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
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