diff options
Diffstat (limited to 'src/map/if/ifMap.c')
| -rw-r--r-- | src/map/if/ifMap.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/map/if/ifMap.c b/src/map/if/ifMap.c index 064494e0..c4053f52 100644 --- a/src/map/if/ifMap.c +++ b/src/map/if/ifMap.c @@ -99,7 +99,7 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep If_Cut_t * pCut0R, * pCut1R; int fFunc0R, fFunc1R; int i, k, v, iCutDsd, fChange; - int fSave0 = p->pPars->fDelayOpt || p->pPars->fDelayOptLut || p->pPars->fDsdBalance || p->pPars->fUserRecLib || p->pPars->fUseDsdTune || p->pPars->fUseCofVars || p->pPars->fUseAndVars || p->pPars->pLutStruct != NULL; + int fSave0 = p->pPars->fDelayOpt || p->pPars->fDelayOptLut || p->pPars->fDsdBalance || p->pPars->fUserRecLib || p->pPars->fUseDsdTune || p->pPars->fUseCofVars || p->pPars->fUseAndVars || p->pPars->fUse34Spec || p->pPars->pLutStruct != NULL; int fUseAndCut = (p->pPars->nAndDelay > 0) || (p->pPars->nAndArea > 0); assert( !If_ObjIsAnd(pObj->pFanin0) || pObj->pFanin0->pCutSet->nCuts > 0 ); assert( !If_ObjIsAnd(pObj->pFanin1) || pObj->pFanin1->pCutSet->nCuts > 0 ); @@ -275,6 +275,12 @@ void If_ObjPerformMappingAnd( If_Man_t * p, If_Obj_t * pObj, int Mode, int fPrep p->nCutsCountAll++; p->nCutsCount[pCut->nLeaves]++; } + else if ( p->pPars->fUse34Spec ) + { + assert( pCut->nLeaves <= 4 ); + if ( pCut->nLeaves == 4 && !Abc_Tt4Check( (int)(0xFFFF & *If_CutTruth(p, pCut)) ) ) + pCut->fUseless = 1; + } else { if ( p->pPars->fUseAndVars ) @@ -415,7 +421,7 @@ void If_ObjPerformMappingChoice( If_Man_t * p, If_Obj_t * pObj, int Mode, int fP If_Set_t * pCutSet; If_Obj_t * pTemp; If_Cut_t * pCutTemp, * pCut; - int i, fSave0 = p->pPars->fDelayOpt || p->pPars->fDelayOptLut || p->pPars->fDsdBalance || p->pPars->fUserRecLib; + int i, fSave0 = p->pPars->fDelayOpt || p->pPars->fDelayOptLut || p->pPars->fDsdBalance || p->pPars->fUserRecLib || p->pPars->fUse34Spec; assert( pObj->pEquiv != NULL ); // prepare |