diff options
Diffstat (limited to 'src/base/abci/abcNtbdd.c')
| -rw-r--r-- | src/base/abci/abcNtbdd.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/base/abci/abcNtbdd.c b/src/base/abci/abcNtbdd.c index 5dc662d7..fc926857 100644 --- a/src/base/abci/abcNtbdd.c +++ b/src/base/abci/abcNtbdd.c @@ -34,7 +34,7 @@ ABC_NAMESPACE_IMPL_START #ifdef ABC_USE_CUDD -static void Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ); +static int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit ); static void Abc_NtkBddToMuxesPerform( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes( Abc_Obj_t * pNodeOld, Abc_Ntk_t * pNtkNew ); static Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * pNtkNew, st__table * tBdd2Node ); @@ -129,12 +129,15 @@ Abc_Ntk_t * Abc_NtkDeriveFromBdd( void * dd0, void * bFunc, char * pNamePo, Vec_ SeeAlso [] ***********************************************************************/ -Abc_Ntk_t * Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk, int fGlobal ) +Abc_Ntk_t * Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk, int fGlobal, int Limit ) { Abc_Ntk_t * pNtkNew; pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_SOP ); if ( fGlobal ) - Abc_NtkBddToMuxesPerformGlo( pNtk, pNtkNew ); + { + if ( !Abc_NtkBddToMuxesPerformGlo( pNtk, pNtkNew, Limit ) ) + return NULL; + } else { Abc_NtkBddToMuxesPerform( pNtk, pNtkNew ); @@ -259,17 +262,17 @@ Abc_Obj_t * Abc_NodeBddToMuxes_rec( DdManager * dd, DdNode * bFunc, Abc_Ntk_t * SeeAlso [] ***********************************************************************/ -void Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ) +int Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew, int Limit ) { DdManager * dd; Abc_Obj_t * pObj, * pObjNew; int i; st__table * tBdd2Node; assert( Abc_NtkIsStrash(pNtk) ); - dd = (DdManager *)Abc_NtkBuildGlobalBdds( pNtk, 10000000, 1, 1, 0, 0 ); + dd = (DdManager *)Abc_NtkBuildGlobalBdds( pNtk, Limit, 1, 1, 0, 0 ); if ( dd == NULL ) { printf( "Construction of global BDDs has failed.\n" ); - return; + return 0; } //printf( "Shared BDD size = %6d nodes.\n", Cudd_ReadKeys(dd) - Cudd_ReadDead(dd) ); @@ -292,6 +295,7 @@ void Abc_NtkBddToMuxesPerformGlo( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkNew ) Abc_NtkFreeGlobalBdds( pNtk, 0 ); Extra_StopManager( dd ); Abc_NtkCleanCopy( pNtk ); + return 1; } /**Function************************************************************* @@ -655,7 +659,7 @@ ABC_PRT( "Time", Abc_Clock() - clk ); #else double Abc_NtkSpacePercentage( Abc_Obj_t * pNode ) { return 0.0; } -Abc_Ntk_t * Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk, int fGlobal ) { return NULL; } +Abc_Ntk_t * Abc_NtkBddToMuxes( Abc_Ntk_t * pNtk, int fGlobal, int Limit ) { return NULL; } #endif |