diff options
Diffstat (limited to 'src/aig')
| -rw-r--r-- | src/aig/gia/giaIf.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/src/aig/gia/giaIf.c b/src/aig/gia/giaIf.c index 46e08675..c0a65b32 100644 --- a/src/aig/gia/giaIf.c +++ b/src/aig/gia/giaIf.c @@ -1681,7 +1681,46 @@ Gia_Man_t * Gia_ManFromIfLogic( If_Man_t * pIfMan ) } else if ( pIfMan->pPars->fUseAndVars && pIfMan->pPars->fDeriveLuts && (int)pCutBest->nLeaves > pIfMan->pPars->nLutSize/2 ) { - assert( 0 ); + word pFunc[64], uTruth[2]; + int nLeaves = pCutBest->nLeaves; + int truthId = Abc_Lit2Var(pCutBest->iCutFunc); + int c, Mask = Vec_IntEntry(pIfMan->vTtDecs[nLeaves], truthId); + int MaskOne[2] = { Mask & 0xFFFF, (Mask >> 16) & 0x3FFF }; + int iLitCofs[2], iTemp, fOrDec = (Mask >> 30) & 1; + assert( Mask > 0 && nLeaves <= 2 * (pIfMan->pPars->nLutSize/2) && pIfMan->pPars->nLutSize <= 13 ); + Abc_TtCopy( pFunc, If_CutTruthWR(pIfMan, pCutBest), pIfMan->nTruth6Words[nLeaves], fOrDec ); + Abc_TtDeriveBiDec( pFunc, nLeaves, MaskOne[0], MaskOne[1], pIfMan->pPars->nLutSize/2, &uTruth[0], &uTruth[1] ); + uTruth[0] = fOrDec ? ~uTruth[0] : uTruth[0]; + uTruth[1] = fOrDec ? ~uTruth[1] : uTruth[1]; + for ( c = 0; c < 2; c++ ) + { + Vec_IntClear( vLeaves2 ); + for ( k = 0; k < nLeaves; k++ ) + if ( (MaskOne[c] >> k) & 1 ) + Vec_IntPush( vLeaves2, Vec_IntEntry(vLeaves, k) ); + assert( Vec_IntSize(vLeaves2) >= 1 ); + iLitCofs[c] = Kit_TruthToGia( pNew, (unsigned *)&uTruth[c], Vec_IntSize(vLeaves2), vCover, vLeaves2, 0 ); + if ( Vec_IntSize(vLeaves2) == 1 ) + continue; + // create mapping + assert( Gia_ObjIsAnd(Gia_ManObj(pNew, Abc_Lit2Var(iLitCofs[c]))) ); + Vec_IntSetEntry( vMapping, Abc_Lit2Var(iLitCofs[c]), Vec_IntSize(vMapping2) ); + Vec_IntPush( vMapping2, Vec_IntSize(vLeaves2) ); + Vec_IntForEachEntry( vLeaves2, iTemp, k ) + Vec_IntPush( vMapping2, Abc_Lit2Var(iTemp) ); + Vec_IntPush( vMapping2, Abc_Lit2Var(iLitCofs[c]) ); + } + iLitCofs[0] = Abc_LitNotCond( iLitCofs[0], fOrDec ); + iLitCofs[1] = Abc_LitNotCond( iLitCofs[1], fOrDec ); + pIfObj->iCopy = Gia_ManAppendAnd( pNew, iLitCofs[0], iLitCofs[1] ); + pIfObj->iCopy = Abc_LitNotCond( pIfObj->iCopy, fOrDec ^ Abc_LitIsCompl(pCutBest->iCutFunc) ); + // create mapping + Vec_IntSetEntry( vMapping, Abc_Lit2Var(pIfObj->iCopy), Vec_IntSize(vMapping2) ); + Vec_IntPush( vMapping2, 2 ); + Vec_IntPush( vMapping2, Abc_Lit2Var(iLitCofs[0]) ); + Vec_IntPush( vMapping2, Abc_Lit2Var(iLitCofs[1]) ); + Vec_IntPush( vMapping2, -Abc_Lit2Var(pIfObj->iCopy) ); + pIfObj->iCopy = Abc_LitNotCond( pIfObj->iCopy, pCutBest->fCompl ); } else if ( (pIfMan->pPars->fDeriveLuts && pIfMan->pPars->fTruth) || pIfMan->pPars->fUseDsd || pIfMan->pPars->fUseTtPerm ) { |