diff options
Diffstat (limited to 'src/aig/gia/giaBalance.c')
| -rw-r--r-- | src/aig/gia/giaBalance.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/aig/gia/giaBalance.c b/src/aig/gia/giaBalance.c index 6f1b615c..3aa17845 100644 --- a/src/aig/gia/giaBalance.c +++ b/src/aig/gia/giaBalance.c @@ -21,6 +21,7 @@ #include "gia.h" #include "misc/vec/vecHash.h" #include "misc/vec/vecQue.h" +#include "opt/dau/dau.h" ABC_NAMESPACE_IMPL_START @@ -906,7 +907,7 @@ Gia_Man_t * Dam_ManMultiExtractInt( Gia_Man_t * pGia, int nNewNodesMax, int fVer int i, iDiv; p = Dam_ManAlloc( pGia ); Dam_ManCreatePairs( p, fVerbose ); - for ( i = 0; i < nNewNodesMax && Vec_QueTopCost(p->vQue) > 0; i++ ) + for ( i = 0; i < nNewNodesMax && Vec_QueTopCost(p->vQue) > 2; i++ ) { iDiv = Vec_QuePop(p->vQue); if ( fVeryVerbose ) @@ -932,13 +933,19 @@ Gia_Man_t * Dam_ManMultiExtractInt( Gia_Man_t * pGia, int nNewNodesMax, int fVer } Gia_Man_t * Gia_ManAreaBalance( Gia_Man_t * p, int fSimpleAnd, int nNewNodesMax, int fVerbose, int fVeryVerbose ) { - Gia_Man_t * pNew, * pNew1, * pNew2; - if ( fVerbose ) Gia_ManPrintStats( p, NULL ); - pNew = fSimpleAnd ? Gia_ManDup( p ) : Gia_ManDupMuxes( p ); + Gia_Man_t * pNew0, * pNew, * pNew1, * pNew2; + // get the starting manager + pNew0 = Gia_ManHasMapping(p) ? (Gia_Man_t *)Dsm_ManDeriveGia(p) : p; + if ( fVerbose ) Gia_ManPrintStats( pNew0, NULL ); + // derive internal manager + pNew = fSimpleAnd ? Gia_ManDup( pNew0 ) : Gia_ManDupMuxes( pNew0 ); if ( fVerbose ) Gia_ManPrintStats( pNew, NULL ); + if ( pNew0 != p ) Gia_ManStop( pNew0 ); + // perform the operation pNew1 = Dam_ManMultiExtractInt( pNew, nNewNodesMax, fVerbose, fVeryVerbose ); if ( fVerbose ) Gia_ManPrintStats( pNew1, NULL ); Gia_ManStop( pNew ); + // derive the final result pNew2 = Gia_ManDupNoMuxes( pNew1 ); if ( fVerbose ) Gia_ManPrintStats( pNew2, NULL ); Gia_ManStop( pNew1 ); |