diff options
Diffstat (limited to 'src/map/scl')
| -rw-r--r-- | src/map/scl/scl.c | 135 | ||||
| -rw-r--r-- | src/map/scl/sclBuffer.c | 64 | ||||
| -rw-r--r-- | src/map/scl/sclSize.h | 1 |
3 files changed, 192 insertions, 8 deletions
diff --git a/src/map/scl/scl.c b/src/map/scl/scl.c index 23457f7c..49d07a04 100644 --- a/src/map/scl/scl.c +++ b/src/map/scl/scl.c @@ -36,9 +36,11 @@ static int Scl_CommandPrintGS ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandStime ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandTopo ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandBuffer ( Abc_Frame_t * pAbc, int argc, char **argv ); +static int Scl_CommandUnBuffer( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandUpsize ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandDnsize ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandMinsize ( Abc_Frame_t * pAbc, int argc, char **argv ); +static int Scl_CommandMaxsize ( Abc_Frame_t * pAbc, int argc, char **argv ); static int Scl_CommandPrintBuf( Abc_Frame_t * pAbc, int argc, char **argv ); //////////////////////////////////////////////////////////////////////// @@ -66,7 +68,9 @@ void Scl_Init( Abc_Frame_t * pAbc ) Cmd_CommandAdd( pAbc, "SCL mapping", "stime", Scl_CommandStime, 0 ); Cmd_CommandAdd( pAbc, "SCL mapping", "topo", Scl_CommandTopo, 1 ); Cmd_CommandAdd( pAbc, "SCL mapping", "buffer", Scl_CommandBuffer, 1 ); + Cmd_CommandAdd( pAbc, "SCL mapping", "unbuffer", Scl_CommandUnBuffer, 1 ); Cmd_CommandAdd( pAbc, "SCL mapping", "minsize", Scl_CommandMinsize, 1 ); + Cmd_CommandAdd( pAbc, "SCL mapping", "maxsize", Scl_CommandMaxsize, 1 ); Cmd_CommandAdd( pAbc, "SCL mapping", "upsize", Scl_CommandUpsize, 1 ); Cmd_CommandAdd( pAbc, "SCL mapping", "dnsize", Scl_CommandDnsize, 1 ); Cmd_CommandAdd( pAbc, "SCL mapping", "print_buf", Scl_CommandPrintBuf, 0 ); @@ -652,18 +656,134 @@ usage: SeeAlso [] ***********************************************************************/ +int Scl_CommandUnBuffer( Abc_Frame_t * pAbc, int argc, char **argv ) +{ + Abc_Ntk_t * pNtkRes, * pNtk = Abc_FrameReadNtk(pAbc); + int c, fVerbose = 0; + Extra_UtilGetoptReset(); + while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF ) + { + switch ( c ) + { + case 'v': + fVerbose ^= 1; + break; + case 'h': + goto usage; + default: + goto usage; + } + } + + if ( pNtk == NULL ) + { + fprintf( pAbc->Err, "There is no current network.\n" ); + return 1; + } + if ( !Abc_NtkIsLogic(pNtk) ) + { + fprintf( pAbc->Err, "The current network is not a logic network.\n" ); + return 1; + } + pNtkRes = Abc_SclUnBufferPerform( pNtk, fVerbose ); + if ( pNtkRes == NULL ) + { + Abc_Print( -1, "The command has failed.\n" ); + return 1; + } + Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes ); + return 0; + +usage: + fprintf( pAbc->Err, "usage: unbuffer [-vh]\n" ); + fprintf( pAbc->Err, "\t collapses buffer/inverter trees\n" ); + fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" ); + fprintf( pAbc->Err, "\t-h : print the command usage\n"); + return 1; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ int Scl_CommandMinsize( Abc_Frame_t * pAbc, int argc, char **argv ) { Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc); - int c, fUseMax = 0, fVerbose = 0; + int c, fVerbose = 0; Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "mvh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF ) { switch ( c ) { - case 'm': - fUseMax ^= 1; + case 'v': + fVerbose ^= 1; break; + case 'h': + goto usage; + default: + goto usage; + } + } + + if ( Abc_FrameReadNtk(pAbc) == NULL ) + { + fprintf( pAbc->Err, "There is no current network.\n" ); + return 1; + } + if ( !Abc_NtkHasMapping(Abc_FrameReadNtk(pAbc)) ) + { + fprintf( pAbc->Err, "The current network is not mapped.\n" ); + return 1; + } + if ( !Abc_SclCheckNtk(Abc_FrameReadNtk(pAbc), 0) ) + { + fprintf( pAbc->Err, "The current network is not in a topo order (run \"topo\").\n" ); + return 1; + } + if ( pAbc->pLibScl == NULL ) + { + fprintf( pAbc->Err, "There is no Liberty library available.\n" ); + return 1; + } + + Abc_SclMinsizePerform( (SC_Lib *)pAbc->pLibScl, pNtk, 0, fVerbose ); + return 0; + +usage: + fprintf( pAbc->Err, "usage: minsize [-vh]\n" ); + fprintf( pAbc->Err, "\t downsizes all gates to their minimum size\n" ); + fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" ); + fprintf( pAbc->Err, "\t-h : print the command usage\n"); + return 1; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +int Scl_CommandMaxsize( Abc_Frame_t * pAbc, int argc, char **argv ) +{ + Abc_Ntk_t * pNtk = Abc_FrameReadNtk(pAbc); + int c, fVerbose = 0; + Extra_UtilGetoptReset(); + while ( ( c = Extra_UtilGetopt( argc, argv, "vh" ) ) != EOF ) + { + switch ( c ) + { case 'v': fVerbose ^= 1; break; @@ -695,13 +815,12 @@ int Scl_CommandMinsize( Abc_Frame_t * pAbc, int argc, char **argv ) return 1; } - Abc_SclMinsizePerform( (SC_Lib *)pAbc->pLibScl, pNtk, fUseMax, fVerbose ); + Abc_SclMinsizePerform( (SC_Lib *)pAbc->pLibScl, pNtk, 1, fVerbose ); return 0; usage: - fprintf( pAbc->Err, "usage: minsize [-mvh]\n" ); - fprintf( pAbc->Err, "\t downsized all gates to their minimum size\n" ); - fprintf( pAbc->Err, "\t-m : toggle upsizing gates to their maximum size [default = %s]\n", fUseMax? "yes": "no" ); + fprintf( pAbc->Err, "usage: maxsize [-vh]\n" ); + fprintf( pAbc->Err, "\t upsizes all gates to their maximum size\n" ); fprintf( pAbc->Err, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" ); fprintf( pAbc->Err, "\t-h : print the command usage\n"); return 1; diff --git a/src/map/scl/sclBuffer.c b/src/map/scl/sclBuffer.c index d9afdbe5..6511a656 100644 --- a/src/map/scl/sclBuffer.c +++ b/src/map/scl/sclBuffer.c @@ -77,6 +77,70 @@ static inline int Abc_BufEdgeSlack( Buf_Man_t * p, Abc_Obj_t * pObj, Abc_Obj_t /**Function************************************************************* + Synopsis [Removes buffers and inverters.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static inline int Abc_SclObjIsBufInv( Abc_Obj_t * pObj ) +{ + return Abc_ObjIsNode(pObj) && Abc_ObjFaninNum(pObj) == 1; +} +int Abc_SclGetRealFaninLit( Abc_Obj_t * pObj ) +{ + int iLit; + if ( !Abc_SclObjIsBufInv(pObj) ) + return Abc_Var2Lit( Abc_ObjId(pObj), 0 ); + iLit = Abc_SclGetRealFaninLit( Abc_ObjFanin0(pObj) ); + return Abc_LitNotCond( iLit, Abc_NodeIsInv(pObj) ); +} +Abc_Ntk_t * Abc_SclUnBufferPerform( Abc_Ntk_t * pNtk, int fVerbose ) +{ + Vec_Int_t * vLits; + Abc_Obj_t * pObj, * pFanin, * pFaninNew; + int i, k, iLit, nNodesOld = Abc_NtkObjNumMax(pNtk); + // assign inverters + vLits = Vec_IntStartFull( Abc_NtkObjNumMax(pNtk) ); + Abc_NtkForEachNode( pNtk, pObj, i ) + if ( Abc_NodeIsInv(pObj) && !Abc_SclObjIsBufInv(Abc_ObjFanin0(pObj)) ) + Vec_IntWriteEntry( vLits, Abc_ObjFaninId0(pObj), Abc_ObjId(pObj) ); + // transfer fanins + Abc_NtkForEachNodeCo( pNtk, pObj, i ) + { + if ( i >= nNodesOld ) + break; + Abc_ObjForEachFanin( pObj, pFanin, k ) + { + if ( !Abc_SclObjIsBufInv(pFanin) ) + continue; + iLit = Abc_SclGetRealFaninLit( pFanin ); + pFaninNew = Abc_NtkObj( pNtk, Abc_Lit2Var(iLit) ); + if ( Abc_LitIsCompl(iLit) ) + { + if ( Vec_IntEntry( vLits, Abc_Lit2Var(iLit) ) == -1 ) + { + pFaninNew = Abc_NtkCreateNodeInv( pNtk, pFaninNew ); + Vec_IntWriteEntry( vLits, Abc_Lit2Var(iLit), Abc_ObjId(pFaninNew) ); + } + else + pFaninNew = Abc_NtkObj( pNtk, Vec_IntEntry( vLits, Abc_Lit2Var(iLit) ) ); + assert( Abc_ObjFaninNum(pFaninNew) == 1 ); + } + if ( pFanin != pFaninNew ) + Abc_ObjPatchFanin( pObj, pFanin, pFaninNew ); + } + } + Vec_IntFree( vLits ); + // duplicate network in topo order + return Abc_NtkDupDfs( pNtk ); +} + +/**Function************************************************************* + Synopsis [Make sure the network is in topo order without dangling nodes.] Description [Returns 1 iff the network is fine.] diff --git a/src/map/scl/sclSize.h b/src/map/scl/sclSize.h index f8d5fcbe..b7d63542 100644 --- a/src/map/scl/sclSize.h +++ b/src/map/scl/sclSize.h @@ -386,6 +386,7 @@ static inline void Abc_SclDumpStats( SC_Man * p, char * pFileName, abctime Time /*=== sclBuffer.c ===============================================================*/ +extern Abc_Ntk_t * Abc_SclUnBufferPerform( Abc_Ntk_t * pNtk, int fVerbose ); extern int Abc_SclCheckNtk( Abc_Ntk_t * p, int fVerbose ); extern Abc_Ntk_t * Abc_SclPerformBuffering( Abc_Ntk_t * p, int Degree, int fUseInvs, int fVerbose ); extern Abc_Ntk_t * Abc_SclBufPerform( Abc_Ntk_t * pNtk, int FanMin, int FanMax, int fVerbose ); |