diff options
Diffstat (limited to 'src/temp/ivy/ivyObj.c')
| -rw-r--r-- | src/temp/ivy/ivyObj.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/src/temp/ivy/ivyObj.c b/src/temp/ivy/ivyObj.c index de67c560..735d79c3 100644 --- a/src/temp/ivy/ivyObj.c +++ b/src/temp/ivy/ivyObj.c @@ -300,7 +300,7 @@ void Ivy_ObjDelete_rec( Ivy_Man_t * p, Ivy_Obj_t * pObj, int fFreeTop ) SeeAlso [] ***********************************************************************/ -void Ivy_ObjReplace( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew, int fDeleteOld, int fFreeTop ) +void Ivy_ObjReplace( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew, int fDeleteOld, int fFreeTop, int fUpdateLevel ) { int nRefsOld; // the object to be replaced cannot be complemented @@ -315,26 +315,32 @@ void Ivy_ObjReplace( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew, in if ( Ivy_IsComplement(pObjNew) || Ivy_ObjIsLatch(pObjNew) || Ivy_ObjRefs(pObjNew) > 0 || Ivy_ObjIsPi(pObjNew) || Ivy_ObjIsConst1(pObjNew) ) pObjNew = Ivy_ObjCreate( p, Ivy_ObjCreateGhost(p, pObjNew, NULL, IVY_BUF, IVY_INIT_NONE) ); assert( !Ivy_IsComplement(pObjNew) ); - // if the new node's arrival time is different, recursively update arrival time of the fanouts - if ( p->vFanouts && !Ivy_ObjIsBuf(pObjNew) && pObjOld->Level != pObjNew->Level ) + if ( fUpdateLevel ) { - assert( Ivy_ObjIsNode(pObjOld) ); - pObjOld->Level = pObjNew->Level; - Ivy_ObjUpdateLevel_rec( p, pObjOld ); - } - // if the new node's required time has changed, recursively update required time of the fanins - if ( p->vRequired ) - { - int ReqNew = Vec_IntEntry(p->vRequired, pObjOld->Id); - if ( ReqNew < Vec_IntEntry(p->vRequired, pObjNew->Id) ) + // if the new node's arrival time is different, recursively update arrival time of the fanouts + if ( p->vFanouts && !Ivy_ObjIsBuf(pObjNew) && pObjOld->Level != pObjNew->Level ) + { + assert( Ivy_ObjIsNode(pObjOld) ); + pObjOld->Level = pObjNew->Level; + Ivy_ObjUpdateLevel_rec( p, pObjOld ); + } + // if the new node's required time has changed, recursively update required time of the fanins + if ( p->vRequired ) { - Vec_IntWriteEntry( p->vRequired, pObjNew->Id, ReqNew ); - Ivy_ObjUpdateLevelR_rec( p, pObjNew, ReqNew ); + int ReqNew = Vec_IntEntry(p->vRequired, pObjOld->Id); + if ( ReqNew < Vec_IntEntry(p->vRequired, pObjNew->Id) ) + { + Vec_IntWriteEntry( p->vRequired, pObjNew->Id, ReqNew ); + Ivy_ObjUpdateLevelR_rec( p, pObjNew, ReqNew ); + } } } // delete the old object if ( fDeleteOld ) Ivy_ObjDelete_rec( p, pObjOld, fFreeTop ); + // make sure object is pointing to itself + assert( Ivy_ObjFanin0(pObjNew) == NULL || pObjOld != Ivy_ObjFanin0(pObjNew) ); + assert( Ivy_ObjFanin1(pObjNew) == NULL || pObjOld != Ivy_ObjFanin1(pObjNew) ); // transfer the old object assert( Ivy_ObjRefs(pObjNew) == 0 ); nRefsOld = pObjOld->nRefs; @@ -370,7 +376,7 @@ void Ivy_ObjReplace( Ivy_Man_t * p, Ivy_Obj_t * pObjOld, Ivy_Obj_t * pObjNew, in SeeAlso [] ***********************************************************************/ -void Ivy_NodeFixBufferFanins( Ivy_Man_t * p, Ivy_Obj_t * pNode ) +void Ivy_NodeFixBufferFanins( Ivy_Man_t * p, Ivy_Obj_t * pNode, int fUpdateLevel ) { Ivy_Obj_t * pFanReal0, * pFanReal1, * pResult; if ( Ivy_ObjIsPo(pNode) ) @@ -394,7 +400,7 @@ void Ivy_NodeFixBufferFanins( Ivy_Man_t * p, Ivy_Obj_t * pNode ) else assert( 0 ); // perform the replacement - Ivy_ObjReplace( p, pNode, pResult, 1, 0 ); + Ivy_ObjReplace( p, pNode, pResult, 1, 0, fUpdateLevel ); } //////////////////////////////////////////////////////////////////////// |