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Logic sharing for multi-input gates (bug fix).

This commit is contained in:
Alan Mishchenko 2012-03-26 20:21:05 -07:00
parent c2ab4426e4
commit 08253a50eb
1 changed files with 8 additions and 1 deletions
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9
src/base/abci/abcExtract.c
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@ -43,7 +43,7 @@ struct Abc_ShaMan_t_
static inline word Abc_NtkSharePack( int Lev, int Id ) { return (((word)Lev) << 32) | Id; }
static inline int Abc_NtkShareUnpackLev( word Num ) { return (Num >> 32); }
static inline int Abc_NtkShareUnpackId( word Num ) { return Num & 0xFFFF; }
static inline int Abc_NtkShareUnpackId( word Num ) { return Num & 0xFFFFFFFF; }
////////////////////////////////////////////////////////////////////////
@ -188,9 +188,12 @@ Vec_Wrd_t * Abc_NtkShareSuperAnd( Abc_Obj_t * pObj, int * pCounter )
}
if ( i == -1 )
break;
assert( Abc_ObjIsNode(pRoot) );
// extract
pObj0 = Abc_ObjChild0(pRoot);
pObj1 = Abc_ObjChild1(pRoot);
assert( Abc_ObjIsNode(Abc_ObjRegular(pObj0)) || Abc_ObjIsCi(Abc_ObjRegular(pObj0)) );
assert( Abc_ObjIsNode(Abc_ObjRegular(pObj1)) || Abc_ObjIsCi(Abc_ObjRegular(pObj1)) );
Vec_WrdPushOrder( vSuper, Abc_NtkSharePack(Abc_ObjLevel(Abc_ObjRegular(pObj0)), Abc_ObjToLit(pObj0)) );
Vec_WrdPushOrder( vSuper, Abc_NtkSharePack(Abc_ObjLevel(Abc_ObjRegular(pObj1)), Abc_ObjToLit(pObj1)) );
(*pCounter)++;
@ -217,6 +220,10 @@ Vec_Wrd_t * Abc_NtkShareSuperAnd( Abc_Obj_t * pObj, int * pCounter )
}
Vec_WrdForEachEntry( vSuper, Num, i )
Vec_WrdWriteEntry( vSuper, i, Abc_NtkShareUnpackId(Num) );
if ( Vec_WrdSize(vSuper) == 1 )
{
int s = 0;
}
return vSuper;
}