mirror of https://github.com/YosysHQ/abc.git
Enabling LUT decomposition in two special cases.
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728291b087
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6de83eb3b6
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@ -235,7 +235,7 @@ void Gia_ManPrintMappingStats( Gia_Man_t * p )
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Abc_Print( 1, "lev =%5d ", LevelMax );
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Abc_Print( 1, "mem =%5.2f MB", 4.0*(Gia_ManObjNum(p) + 2*nLuts + nFanins)/(1<<20) );
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Abc_Print( 1, "\n" );
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/*
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{
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char * pFileName = "stats_map.txt";
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static char FileNameOld[1000] = {0};
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@ -262,7 +262,7 @@ void Gia_ManPrintMappingStats( Gia_Man_t * p )
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}
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fclose( pTable );
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}
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*/
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}
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/**Function*************************************************************
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@ -649,7 +649,7 @@ int Gia_ManFromIfLogicNode( If_Man_t * p, Gia_Man_t * pNew, int iObj, Vec_Int_t
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int nLeaves = Vec_IntSize(vLeaves);
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int i, Length, nLutLeaf, nLutLeaf2, nLutRoot, iObjLit1, iObjLit2, iObjLit3;
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// workaround for the special case
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if ( p->pPars->fEnableCheck75 || p->pPars->fEnableCheck75u )
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if ( p && (p->pPars->fEnableCheck75 || p->pPars->fEnableCheck75u) )
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pStr = "54";
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// check if there is no LUT structures
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if ( pStr == NULL )
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@ -746,7 +746,7 @@ int Gia_ManFromIfLogicNode( If_Man_t * p, Gia_Man_t * pNew, int iObj, Vec_Int_t
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}
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// perform decomposition
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if ( p->pPars->fEnableCheck75 || p->pPars->fEnableCheck75u )
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if ( p && (p->pPars->fEnableCheck75 || p->pPars->fEnableCheck75u) )
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{
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// if ( nLeaves < 8 && If_CutPerformCheck16( p, (unsigned *)pTruth, nVars, nLeaves, "44" ) )
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if ( nLeaves < 8 && If_CluCheckExt( NULL, pRes, nLeaves, 4, 4, pLut0, pLut1, &Func0, &Func1 ) )
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@ -248,7 +248,7 @@ void * Mpm_ManFromIfLogic( Mpm_Man_t * pMan )
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Vec_IntPush( vLeaves, Mig_ObjCopy(pFanin) );
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if ( pMan->pPars->fDeriveLuts && (pMan->pPars->fUseTruth || pMan->pPars->fUseDsd) )
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{
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extern int Gia_ManFromIfLogicNode( Gia_Man_t * pNew, int iObj, Vec_Int_t * vLeaves, Vec_Int_t * vLeavesTemp,
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extern int Gia_ManFromIfLogicNode( void * p, Gia_Man_t * pNew, int iObj, Vec_Int_t * vLeaves, Vec_Int_t * vLeavesTemp,
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word * pRes, char * pStr, Vec_Int_t * vCover, Vec_Int_t * vMapping, Vec_Int_t * vMapping2, Vec_Int_t * vPacking );
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if ( pMan->pPars->fUseTruth )
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pTruth = Mpm_CutTruth(pMan, Abc_Lit2Var(pCutBest->iFunc));
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@ -256,7 +256,7 @@ void * Mpm_ManFromIfLogic( Mpm_Man_t * pMan )
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uTruth = Mpm_CutTruthFromDsd( pMan, pCutBest, Abc_Lit2Var(pCutBest->iFunc) );
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// Kit_DsdPrintFromTruth( pTruth, Vec_IntSize(vLeaves) ); printf( "\n" );
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// perform decomposition of the cut
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iLitNew = Gia_ManFromIfLogicNode( pNew, Mig_ObjId(pObj), vLeaves, vLeaves2, pTruth, NULL, vCover, vMapping, vMapping2, vPacking );
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iLitNew = Gia_ManFromIfLogicNode( NULL, pNew, Mig_ObjId(pObj), vLeaves, vLeaves2, pTruth, NULL, vCover, vMapping, vMapping2, vPacking );
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iLitNew = Abc_LitNotCond( iLitNew, pCutBest->fCompl ^ Abc_LitIsCompl(pCutBest->iFunc) );
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}
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else
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