/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Saig_ManTemporDecompose( Aig_Man_t * pAig, int nFrames )
{
Aig_Man_t * pAigNew, * pFrames;
Aig_Obj_t * pObj, * pReset;
int i;
if ( pAig->nConstrs > 0 )
{
printf( "The AIG manager should have no constraints.\n" );
return NULL;
}
// create initialized timeframes
pFrames = Saig_ManTemporFrames( pAig, nFrames );
assert( Aig_ManPoNum(pFrames) == Aig_ManRegNum(pAig) );
// start the new manager
Aig_ManCleanData( pAig );
pAigNew = Aig_ManStart( Aig_ManNodeNum(pAig) );
pAigNew->pName = Aig_UtilStrsav( pAig->pName );
// map the constant node and primary inputs
Aig_ManConst1(pAig)->pData = Aig_ManConst1( pAigNew );
Saig_ManForEachPi( pAig, pObj, i )
pObj->pData = Aig_ObjCreatePi( pAigNew );
// insert initialization logic
Aig_ManConst1(pFrames)->pData = Aig_ManConst1( pAigNew );
Aig_ManForEachPi( pFrames, pObj, i )
pObj->pData = Aig_ObjCreatePi( pAigNew );
Aig_ManForEachNode( pFrames, pObj, i )
pObj->pData = Aig_And( pAigNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
Aig_ManForEachPo( pFrames, pObj, i )
pObj->pData = Aig_ObjChild0Copy(pObj);
// create reset latch (the first one among the latches)
pReset = Aig_ObjCreatePi( pAigNew );
// create flop output values
Saig_ManForEachLo( pAig, pObj, i )
pObj->pData = Aig_Mux( pAigNew, pReset, Aig_ObjCreatePi(pAigNew), (Aig_Obj_t *)Aig_ManPo(pFrames, i)->pData );
Aig_ManStop( pFrames );
// add internal nodes of this frame
Aig_ManForEachNode( pAig, pObj, i )
pObj->pData = Aig_And( pAigNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
// create primary outputs
Saig_ManForEachPo( pAig, pObj, i )
Aig_ObjCreatePo( pAigNew, Aig_ObjChild0Copy(pObj) );
// create reset latch (the first one among the latches)
Aig_ObjCreatePo( pAigNew, Aig_ManConst1(pAigNew) );
// create latch inputs
Saig_ManForEachLi( pAig, pObj, i )
Aig_ObjCreatePo( pAigNew, Aig_ObjChild0Copy(pObj) );
// finalize
Aig_ManCleanup( pAigNew );
Aig_ManSetRegNum( pAigNew, Aig_ManRegNum(pAig)+1 ); // + reset latch (011111...)
return pAigNew;
}
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Duplicates while ORing the POs of sequential circuit.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Aig_Man_t * Saig_ManDupOrpos( Aig_Man_t * pAig )
{
Aig_Man_t * pAigNew;
Aig_Obj_t * pObj, * pMiter;
int i;
if ( pAig->nConstrs > 0 )
{
printf( "The AIG manager should have no constraints.\n" );
return NULL;
}
// start the new manager
pAigNew = Aig_ManStart( Aig_ManNodeNum(pAig) );
pAigNew->pName = Aig_UtilStrsav( pAig->pName );
pAigNew->nConstrs = pAig->nConstrs;
// map the constant node
Aig_ManConst1(pAig)->pData = Aig_ManConst1( pAigNew );
// create variables for PIs
Aig_ManForEachPi( pAig, pObj, i )
pObj->pData = Aig_ObjCreatePi( pAigNew );
// add internal nodes of this frame
Aig_ManForEachNode( pAig, pObj, i )
pObj->pData = Aig_And( pAigNew, Aig_ObjChild0Copy(pObj), Aig_ObjChild1Copy(pObj) );
// create PO of the circuit
pMiter = Aig_ManConst0( pAigNew );
Saig_ManForEachPo( pAig, pObj, i )
pMiter = Aig_Or( pAigNew, pMiter, Aig_ObjChild0Copy(pObj) );
Aig_ObjCreatePo( pAigNew, pMiter );
// transfer to register outputs
Saig_ManForEachLi( pAig, pObj, i )
Aig_ObjCreatePo( pAigNew, Aig_ObjChild0Copy(pObj) );
Aig_ManCleanup( pAigNew );
Aig_ManSetRegNum( pAigNew, Aig_ManRegNum(pAig) );
return pAigNew;
}
