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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2018-04-11 18:33:00 -0700 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2018-04-11 18:33:00 -0700 |
| commit | a8f913f75a6e5d80b5a137c8fbda0676d49e72b4 (patch) | |
| tree | 3b79c45e3abe465c89d3d739ff15426af41084ca /src/aig/gia | |
| parent | a41a910864cb82e1374fc8920a087c35c506ed6d (diff) | |
| download | abc-a8f913f75a6e5d80b5a137c8fbda0676d49e72b4.tar.gz abc-a8f913f75a6e5d80b5a137c8fbda0676d49e72b4.tar.bz2 abc-a8f913f75a6e5d80b5a137c8fbda0676d49e72b4.zip | |
Making sure duplicated inverters are not created.
Diffstat (limited to 'src/aig/gia')
| -rw-r--r-- | src/aig/gia/giaMini.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/aig/gia/giaMini.c b/src/aig/gia/giaMini.c index e14a9a9e..41c6a702 100644 --- a/src/aig/gia/giaMini.c +++ b/src/aig/gia/giaMini.c @@ -305,6 +305,7 @@ Mini_Lut_t * Gia_ManToMiniLut( Gia_Man_t * pGia ) Vec_Bit_t * vMarks; Gia_Obj_t * pObj, * pFanin; Vec_Int_t * vLeaves = Vec_IntAlloc( 16 ); + Vec_Int_t * vInvMap = Vec_IntStart( Gia_ManObjNum(pGia) ); int i, k, iFanin, LutSize, nWords, Count = 0, pVars[16]; word * pTruth; assert( Gia_ManHasMapping(pGia) ); @@ -361,12 +362,17 @@ Mini_Lut_t * Gia_ManToMiniLut( Gia_Man_t * pGia ) pObj->Value = Mini_LutCreatePo( p, Gia_ObjFanin0(pObj)->Value ); else // add inverter LUT { - int Fanin = Gia_ObjFanin0(pObj)->Value; - int LutInv = Mini_LutCreateNode( p, 1, &Fanin, (unsigned *)pTruth ); + int LutInv, Fanin = Gia_ObjFanin0(pObj)->Value; + if ( (LutInv = Vec_IntEntry(vInvMap, Fanin)) == 0 ) + { + LutInv = Mini_LutCreateNode( p, 1, &Fanin, (unsigned *)pTruth ); + Vec_IntWriteEntry( vInvMap, Fanin, LutInv ); + Count++; + } pObj->Value = Mini_LutCreatePo( p, LutInv ); - Count++; } } + Vec_IntFree( vInvMap ); Vec_BitFree( vMarks ); Gia_ObjComputeTruthTableStop( pGia ); // set registers |