diff options
Diffstat (limited to 'src/base')
| -rw-r--r-- | src/base/abci/abc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index c5300f69..18239440 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -5183,8 +5183,11 @@ int Abc_CommandMfs3( Abc_Frame_t * pAbc, int argc, char ** argv ) } pPars->nTfiLevMax = atoi(argv[globalUtilOptind]); globalUtilOptind++; - if ( pPars->nTfiLevMax < 0 ) + if ( pPars->nTfiLevMax < 1 ) + { + Abc_Print( -1, "The number of TFI levels (switch \"-I\") should be at least 1.\n" ); goto usage; + } break; case 'F': if ( globalUtilOptind >= argc ) @@ -5285,7 +5288,7 @@ usage: Abc_Print( -2, "usage: mfs3 [-OIFXMLCN <num>] [-avwh]\n" ); Abc_Print( -2, "\t performs don't-care-based optimization of mapped networks\n" ); Abc_Print( -2, "\t-O <num> : the number of levels in the TFO cone (0 <= num) [default = %d]\n", pPars->nTfoLevMax ); - Abc_Print( -2, "\t-I <num> : the number of levels in the TFI cone (0 <= num) [default = %d]\n", pPars->nTfiLevMax ); + Abc_Print( -2, "\t-I <num> : the number of levels in the TFI cone (1 <= num) [default = %d]\n", pPars->nTfiLevMax ); Abc_Print( -2, "\t-F <num> : the max number of fanouts to skip (1 <= num) [default = %d]\n", pPars->nFanoutMax ); Abc_Print( -2, "\t-X <num> : the max size of max fanout-free cone (MFFC) [default = %d]\n", pPars->nMffcMax ); Abc_Print( -2, "\t-M <num> : the max node count of windows to consider (0 = no limit) [default = %d]\n", pPars->nWinSizeMax ); |