diff options
-rw-r--r-- | src/base/abc/abcNtk.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/base/abc/abcNtk.c b/src/base/abc/abcNtk.c index d58e9c72..e6a8a5ba 100644 --- a/src/base/abc/abcNtk.c +++ b/src/base/abc/abcNtk.c @@ -1462,9 +1462,10 @@ void Abc_NtkDropOneOutput( Abc_Ntk_t * pNtk, int iOutput ) { Abc_Obj_t * pObj, * pConst0, * pFaninNew; pObj = Abc_NtkPo( pNtk, iOutput ); - if ( Abc_ObjFanin0(pObj) == Abc_AigConst1(pNtk) && !Abc_ObjFaninC0(pObj) ) + if ( Abc_ObjFanin0(pObj) == Abc_AigConst1(pNtk) ) { - Abc_ObjXorFaninC( pObj, 0 ); + if ( !Abc_ObjFaninC0(pObj) ) + Abc_ObjXorFaninC( pObj, 0 ); return; } pConst0 = Abc_ObjNot( Abc_AigConst1(pNtk) ); |