Enabling additional matching feature in the LUT mapper.

src/aig/gia/giaIf.c

@@ -235,11 +235,10 @@ void Gia_ManPrintMappingStats( Gia_Man_t * p )
     Abc_Print( 1, "lev =%5d  ", LevelMax );
     Abc_Print( 1, "mem =%5.2f MB", 4.0*(Gia_ManObjNum(p) + 2*nLuts + nFanins)/(1<<20) );
     Abc_Print( 1, "\n" );
-
+/*
     {
         char * pFileName = "stats_map.txt";
         static char FileNameOld[1000] = {0};
-        static int nNodesOld, nAreaOld, nDelayOld;
         static abctime clk = 0;
         FILE * pTable = fopen( pFileName, "a+" );
         if ( strcmp( FileNameOld, p->pName ) )
@@ -263,6 +262,7 @@ void Gia_ManPrintMappingStats( Gia_Man_t * p )
         }
         fclose( pTable );
     }
+*/
 }
 
 /**Function*************************************************************
@@ -372,7 +372,6 @@ void Gia_ManChoiceLevel_rec( Gia_Man_t * p, Gia_Obj_t * pObj )
         if ( LevelMax < Gia_ObjLevel(p, pNext) )
             LevelMax = Gia_ObjLevel(p, pNext);
         LevelMax++;
-        assert( LevelMax > 0 );
 
         // get the level of the nodes in the choice node
         if ( (pNext = Gia_ObjSiblObj(p, Gia_ObjId(p, pObj))) )

src/base/abci/abc.c

@@ -29454,17 +29454,7 @@ int Abc_CommandAbc9If( Abc_Frame_t * pAbc, int argc, char ** argv )
         pPars->pFuncCell = If_CutPerformCheck10;
         pPars->fCutMin = 1;
     }
-    if ( pPars->fEnableCheck75 )
-    {
-        if ( pPars->nLutSize < 6 || pPars->nLutSize > 8 )
-        {
-            Abc_Print( -1, "This feature only works for {6,7,8}-LUTs.\n" );
-            return 1;
-        }
-        pPars->pFuncCell = If_CutPerformCheck75;
-        pPars->fCutMin = 1;
-    }
-    if ( pPars->fEnableCheck75u )
+    if ( pPars->fEnableCheck75 || pPars->fEnableCheck75u )
     {
         if ( pPars->nLutSize < 6 || pPars->nLutSize > 8 )
         {

src/map/if/ifDec75.c

@@ -205,7 +205,6 @@ int Dau_DsdCheckDecAndExist( char * pDsd )
 int If_CutPerformCheck75__( If_Man_t * p, unsigned * pTruth, int nVars, int nLeaves, char * pStr )
 {
     char pDsdStr[1000];
-    int fDerive = 0;
     int nSizeNonDec, nDecExists, nDecAndExists;
     static int Counter = 0;
     Counter++;