diff options
Diffstat (limited to 'src/base/abci/abc.c')
| -rw-r--r-- | src/base/abci/abc.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index 11ef85f9..aea02c0e 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -10749,6 +10749,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv ) pPars->nFlowIters = 1; pPars->nAreaIters = 2; pPars->DelayTarget = -1; + pPars->Epsilon = (float)0.001; pPars->fPreprocess = 1; pPars->fArea = 0; pPars->fFancy = 0; @@ -10768,7 +10769,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv ) pPars->pFuncCost = NULL; Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "KCFADpaflemrstvh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "KCFADEpaflemrstvh" ) ) != EOF ) { switch ( c ) { @@ -10828,6 +10829,16 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv ) globalUtilOptind++; if ( pPars->DelayTarget <= 0.0 ) goto usage; + case 'E': + if ( globalUtilOptind >= argc ) + { + fprintf( pErr, "Command line switch \"-E\" should be followed by a floating point number.\n" ); + goto usage; + } + pPars->Epsilon = (float)atof(argv[globalUtilOptind]); + globalUtilOptind++; + if ( pPars->Epsilon < 0.0 || pPars->Epsilon > 1.0 ) + goto usage; break; case 'p': pPars->fPreprocess ^= 1; @@ -10980,13 +10991,14 @@ usage: sprintf( LutSize, "library" ); else sprintf( LutSize, "%d", pPars->nLutSize ); - fprintf( pErr, "usage: if [-K num] [-C num] [-F num] [-A num] [-D float] [-parlemsvh]\n" ); + fprintf( pErr, "usage: if [-KCFA num] [-DE float] [-parlemsvh]\n" ); fprintf( pErr, "\t performs FPGA technology mapping of the network\n" ); fprintf( pErr, "\t-K num : the number of LUT inputs (2 < num < %d) [default = %s]\n", IF_MAX_LUTSIZE+1, LutSize ); fprintf( pErr, "\t-C num : the max number of priority cuts (0 < num < 2^12) [default = %d]\n", pPars->nCutsMax ); fprintf( pErr, "\t-F num : the number of area flow recovery iterations (num >= 0) [default = %d]\n", pPars->nFlowIters ); fprintf( pErr, "\t-A num : the number of exact area recovery iterations (num >= 0) [default = %d]\n", pPars->nAreaIters ); fprintf( pErr, "\t-D float : sets the delay constraint for the mapping [default = %s]\n", Buffer ); + fprintf( pErr, "\t-E float : sets epsilon used for tie-breaking [default = %f]\n", pPars->Epsilon ); fprintf( pErr, "\t-p : toggles preprocessing using several starting points [default = %s]\n", pPars->fPreprocess? "yes": "no" ); fprintf( pErr, "\t-a : toggles area-oriented mapping [default = %s]\n", pPars->fArea? "yes": "no" ); // fprintf( pErr, "\t-f : toggles one fancy feature [default = %s]\n", pPars->fFancy? "yes": "no" ); |