Experiments with inductive don't-cares.

src/base/abci/abc.c

@@ -4776,7 +4776,7 @@ int Abc_CommandMfs2( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: mfs2 [-WFDMLCZN <num>] [-daeivwh]\n" );
+    Abc_Print( -2, "usage: mfs2 [-WFDMLCZNI <num>] [-daeijvwh]\n" );
     Abc_Print( -2, "\t           performs don't-care-based optimization of logic networks\n" );
     Abc_Print( -2, "\t-W <num> : the number of levels in the TFO cone (0 <= num) [default = %d]\n",             pPars->nTfoLevMax );
     Abc_Print( -2, "\t-F <num> : the max number of fanouts to skip (1 <= num) [default = %d]\n",                pPars->nFanoutMax );
@@ -4790,7 +4790,7 @@ usage:
     Abc_Print( -2, "\t-a       : toggle minimizing area or area+edges [default = %s]\n",                        pPars->fArea? "area": "area+edges" );
     Abc_Print( -2, "\t-e       : toggle high-effort resubstitution [default = %s]\n",                           pPars->fMoreEffort? "yes": "no" );
     Abc_Print( -2, "\t-i       : toggle using inductive don't-cares [default = %s]\n",                          fIndDCs? "yes": "no" );
-    Abc_Print( -2, "\t-j       : toggle using all flops with \"-i\" is enabled [default = %s]\n",               fUseAllFfs? "yes": "no" );
+    Abc_Print( -2, "\t-j       : toggle using all flops when \"-i\" is enabled [default = %s]\n",               fUseAllFfs? "yes": "no" );
     Abc_Print( -2, "\t-I       : the number of additional frames inserted [default = %d]\n",                    nFramesAdd );
     Abc_Print( -2, "\t-v       : toggle printing optimization summary [default = %s]\n",                        pPars->fVerbose? "yes": "no" );
     Abc_Print( -2, "\t-w       : toggle printing detailed stats for each node [default = %s]\n",                pPars->fVeryVerbose? "yes": "no" );