diff options
Diffstat (limited to 'src/base/abci/abc.c')
| -rw-r--r-- | src/base/abci/abc.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c index b41734ba..4851e8f4 100644 --- a/src/base/abci/abc.c +++ b/src/base/abci/abc.c @@ -26187,11 +26187,23 @@ int Abc_CommandAbc9Shrink( Abc_Frame_t * pAbc, int argc, char ** argv ) int nLutSize; int c,fVerbose = 0; int fKeepLevel = 0; + int nFanoutMax = 50; Extra_UtilGetoptReset(); - while ( ( c = Extra_UtilGetopt( argc, argv, "lvh" ) ) != EOF ) + while ( ( c = Extra_UtilGetopt( argc, argv, "Nlvh" ) ) != EOF ) { switch ( c ) { + case 'N': + if ( globalUtilOptind >= argc ) + { + Abc_Print( -1, "Command line switch \"-N\" should be followed by a char string.\n" ); + goto usage; + } + nFanoutMax = atoi(argv[globalUtilOptind]); + globalUtilOptind++; + if ( nFanoutMax < 0 ) + goto usage; + break; case 'l': fKeepLevel ^= 1; break; @@ -26218,7 +26230,7 @@ int Abc_CommandAbc9Shrink( Abc_Frame_t * pAbc, int argc, char ** argv ) if ( nLutSize <= 4 ) pTemp = Gia_ManPerformMapShrink( pAbc->pGia, fKeepLevel, fVerbose ); else if ( nLutSize <= 6 ) - pTemp = Gia_ManMapShrink6( pAbc->pGia, fKeepLevel, fVerbose ); + pTemp = Gia_ManMapShrink6( pAbc->pGia, nFanoutMax, fKeepLevel, fVerbose ); else Abc_Print( -1, "Abc_CommandAbc9Shrink(): Works only for 4-LUTs and 6-LUTs.\n" ); if ( pTemp ) @@ -26226,8 +26238,9 @@ int Abc_CommandAbc9Shrink( Abc_Frame_t * pAbc, int argc, char ** argv ) return 0; usage: - Abc_Print( -2, "usage: &shrink [-lvh]\n" ); + Abc_Print( -2, "usage: &shrink [-N num] [-lvh]\n" ); Abc_Print( -2, "\t performs fast shrinking using current mapping\n" ); + Abc_Print( -2, "\t-N num : the max fanout count to skip a divisor [default = %d]\n", nFanoutMax ); Abc_Print( -2, "\t-l : toggle level update during shrinking [default = %s]\n", fKeepLevel? "yes": "no" ); Abc_Print( -2, "\t-v : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" ); Abc_Print( -2, "\t-h : print the command usage\n"); |