luke
/
abc
mirror of https://github.com/YosysHQ/abc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Handling latches in combinational sizing.

This commit is contained in:
Alan Mishchenko 2014-02-13 09:22:25 -08:00
parent 61ce18e1ef
commit b284016313
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/map/scl/sclSize.c
View File

@ -258,7 +258,7 @@ static inline void Abc_SclDeptObj( SC_Man * p, Abc_Obj_t * pObj )
SC_PairClean( Abc_SclObjDept(p, pObj) );
Abc_ObjForEachFanout( pObj, pFanout, i )
{
if ( Abc_ObjIsCo(pFanout) )
if ( Abc_ObjIsCo(pFanout) || Abc_ObjIsLatch(pFanout) )
continue;
pTime = Scl_CellPinTime( Abc_SclObjCell(pFanout), Abc_NodeFindFanin(pFanout, pObj) );
Abc_SclDeptFanin( p, pTime, pFanout, pObj );
@ -428,6 +428,7 @@ static inline void Abc_SclTimeIncUpdateClean( SC_Man * p )
}
static inline void Abc_SclTimeIncAddNode( SC_Man * p, Abc_Obj_t * pObj )
{
assert( !Abc_ObjIsLatch(pObj) );
assert( pObj->fMarkC == 0 );
pObj->fMarkC = 1;
Vec_IntPush( Vec_WecEntry(p->vLevels, Abc_ObjLevel(pObj)), Abc_ObjId(pObj) );
@ -439,7 +440,7 @@ static inline void Abc_SclTimeIncAddFanins( SC_Man * p, Abc_Obj_t * pObj )
int i;
Abc_ObjForEachFanin( pObj, pFanin, i )
// if ( !pFanin->fMarkC && Abc_ObjIsNode(pFanin) )
if ( !pFanin->fMarkC )
if ( !pFanin->fMarkC && !Abc_ObjIsLatch(pFanin) )
Abc_SclTimeIncAddNode( p, pFanin );
}
static inline void Abc_SclTimeIncAddFanouts( SC_Man * p, Abc_Obj_t * pObj )
@ -447,7 +448,7 @@ static inline void Abc_SclTimeIncAddFanouts( SC_Man * p, Abc_Obj_t * pObj )
Abc_Obj_t * pFanout;
int i;
Abc_ObjForEachFanout( pObj, pFanout, i )
if ( !pFanout->fMarkC )
if ( !pFanout->fMarkC && !Abc_ObjIsLatch(pFanout) )
Abc_SclTimeIncAddNode( p, pFanout );
}
static inline void Abc_SclTimeIncUpdateArrival( SC_Man * p )