diff options
Diffstat (limited to 'src/aig/gia/giaDup.c')
| -rw-r--r-- | src/aig/gia/giaDup.c | 72 |
1 files changed, 66 insertions, 6 deletions
diff --git a/src/aig/gia/giaDup.c b/src/aig/gia/giaDup.c index 9942d37f..fdf94837 100644 --- a/src/aig/gia/giaDup.c +++ b/src/aig/gia/giaDup.c @@ -1517,12 +1517,13 @@ Gia_Man_t * Gia_ManDupWithConstraints( Gia_Man_t * p, Vec_Int_t * vPoTypes ) SeeAlso [] ***********************************************************************/ -void Gia_ManDupAbstraction_rec( Gia_Man_t * pNew, Gia_Obj_t * pObj ) +void Gia_ManDupAbsFlops_rec( Gia_Man_t * pNew, Gia_Obj_t * pObj ) { if ( ~pObj->Value ) return; - Gia_ManDupAbstraction_rec( pNew, Gia_ObjFanin0(pObj) ); - Gia_ManDupAbstraction_rec( pNew, Gia_ObjFanin1(pObj) ); + assert( Gia_ObjIsAnd(pObj) ); + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin0(pObj) ); + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin1(pObj) ); pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) ); } @@ -1537,7 +1538,7 @@ void Gia_ManDupAbstraction_rec( Gia_Man_t * pNew, Gia_Obj_t * pObj ) SeeAlso [] ***********************************************************************/ -Gia_Man_t * Gia_ManDupAbstraction( Gia_Man_t * p, Vec_Int_t * vFlopClasses ) +Gia_Man_t * Gia_ManDupAbsFlops( Gia_Man_t * p, Vec_Int_t * vFlopClasses ) { Gia_Man_t * pNew, * pTemp; Gia_Obj_t * pObj; @@ -1562,14 +1563,73 @@ Gia_Man_t * Gia_ManDupAbstraction( Gia_Man_t * p, Vec_Int_t * vFlopClasses ) Gia_ManHashAlloc( pNew ); Gia_ManForEachPo( p, pObj, i ) { - Gia_ManDupAbstraction_rec( pNew, Gia_ObjFanin0(pObj) ); + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin0(pObj) ); Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) ); } // create RIs Gia_ManForEachRi( p, pObj, i ) if ( Vec_IntEntry(vFlopClasses, i) ) { - Gia_ManDupAbstraction_rec( pNew, Gia_ObjFanin0(pObj) ); + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin0(pObj) ); + Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) ); + nFlops++; + } + Gia_ManHashStop( pNew ); + Gia_ManSetRegNum( pNew, nFlops ); + // clean up + pNew = Gia_ManSeqCleanup( pTemp = pNew ); + Gia_ManStop( pTemp ); + return pNew; +} + +/**Function************************************************************* + + Synopsis [Performs abstraction of the AIG to preserve the included gates.] + + Description [The array contains PIs, LOs, and internal nodes included. + 0=unsed, 1=PI, 2=PPI, 3=FF, 4=AND.] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Gia_Man_t * Gia_ManDupAbsGates( Gia_Man_t * p, Vec_Int_t * vGateClasses ) +{ + Gia_Man_t * pNew, * pTemp; + Gia_Obj_t * pObj; + int i, nFlops = 0; + assert( Gia_ManPoNum(p) == 1 ); + Gia_ManFillValue( p ); + // start the new manager + pNew = Gia_ManStart( 5000 ); + pNew->pName = Gia_UtilStrsav( p->pName ); + // create PIs + Gia_ManConst0(p)->Value = 0; + Gia_ManForEachPi( p, pObj, i ) + if ( Vec_IntEntry(vGateClasses, Gia_ObjId(p, pObj)) == 1 ) + pObj->Value = Gia_ManAppendCi(pNew); + // create additional PIs + Gia_ManForEachPi( p, pObj, i ) + if ( Vec_IntEntry(vGateClasses, Gia_ObjId(p, pObj)) == 2 ) + pObj->Value = Gia_ManAppendCi(pNew); + // create ROs + Gia_ManForEachRo( p, pObj, i ) + if ( Vec_IntEntry(vGateClasses, Gia_ObjId(p, pObj)) == 3 ) + pObj->Value = Gia_ManAppendCi(pNew); + // create POs + Gia_ManHashAlloc( pNew ); + Gia_ManForEachPo( p, pObj, i ) + { + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin0(pObj) ); + Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) ); + } + // create RIs + Gia_ManForEachRo( p, pObj, i ) + if ( Vec_IntEntry(vGateClasses, Gia_ObjId(p, pObj)) == 3 ) + { + pObj = Gia_ObjRoToRi(p, pObj); + Gia_ManDupAbsFlops_rec( pNew, Gia_ObjFanin0(pObj) ); Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj) ); nFlops++; } |