Threshold logic checking code by Augusto Neutzling and Jody Matos.

1 files changed, 15 insertions, 8 deletions

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index e1dd7bb4..f9af09e9 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -16724,11 +16724,11 @@ usage:
 ***********************************************************************/
 int Abc_CommandDsdFilter( Abc_Frame_t * pAbc, int argc, char ** argv )
 {
-    extern void Id_DsdManTuneThresh( If_DsdMan_t * p, int fUnate, int fThresh, int fVerbose );
+    extern void Id_DsdManTuneThresh( If_DsdMan_t * p, int fUnate, int fThresh, int fThreshHeuristic, int fVerbose );
     If_DsdMan_t * pDsd = (If_DsdMan_t *)Abc_FrameReadManDsd();
-    int c, nLimit = 0, nLutSize = -1, fCleanOccur = 0, fCleanMarks = 0, fInvMarks = 0, fUnate = 0, fThresh = 0, fVerbose = 0;
+    int c, nLimit = 0, nLutSize = -1, fCleanOccur = 0, fCleanMarks = 0, fInvMarks = 0, fUnate = 0, fThresh = 0, fThreshHeuristic = 0, fVerbose = 0;
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "LKomiutvh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "LKomiutsvh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -16765,6 +16765,9 @@ int Abc_CommandDsdFilter( Abc_Frame_t * pAbc, int argc, char ** argv )
         case 't':
             fThresh ^= 1;
             break;
+        case 's':
+            fThreshHeuristic ^= 1;
+            break;
         case 'v':
             fVerbose ^= 1;
             break;
@@ -16789,14 +16792,11 @@ int Abc_CommandDsdFilter( Abc_Frame_t * pAbc, int argc, char ** argv )
         If_DsdManCleanMarks( pDsd, fVerbose );
     if ( fInvMarks )
         If_DsdManInvertMarks( pDsd, fVerbose );
-    if ( fUnate )
-        Id_DsdManTuneThresh( pDsd, 1, 0, fVerbose );
-    if ( fThresh )
-        Id_DsdManTuneThresh( pDsd, 0, 1, fVerbose );
+    Id_DsdManTuneThresh( pDsd, fUnate, fThresh, fThreshHeuristic, fVerbose );
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: dsd_filter [-LK num] [-omiutvh]\n" );
+    Abc_Print( -2, "usage: dsd_filter [-LK num] [-omiutsvh]\n" );
     Abc_Print( -2, "\t         filtering structured and modifying parameters of DSD manager\n" );
     Abc_Print( -2, "\t-L num : remove structures with fewer occurrences that this [default = %d]\n", nLimit );
     Abc_Print( -2, "\t-K num : new LUT size to set for the DSD manager [default = %d]\n",           nLutSize );
@@ -16805,8 +16805,15 @@ usage:
     Abc_Print( -2, "\t-i     : toggles inverting matching marks [default = %s]\n",                  fInvMarks? "yes": "no" );
     Abc_Print( -2, "\t-u     : toggles marking unate functions [default = %s]\n",                   fUnate? "yes": "no" );
     Abc_Print( -2, "\t-t     : toggles marking threshold functions [default = %s]\n",               fThresh? "yes": "no" );
+    Abc_Print( -2, "\t-s     : toggles marking threshold functions heuristically [default = %s]\n", fThreshHeuristic?"yes":"no");
     Abc_Print( -2, "\t-v     : toggles verbose output [default = %s]\n",                            fVerbose? "yes": "no" );
     Abc_Print( -2, "\t-h     : print the command usage\n");
+    Abc_Print( -2, "\t        \n" );
+    Abc_Print( -2, "\t         Option \"dsd_filter -s\" was contributed by Augusto Neutzling and Jody Matos from\n" );
+    Abc_Print( -2, "\t         Federal University of Rio Grande do Sul, Brazil. The paper describing the method:\n" );
+    Abc_Print( -2, "\t         A. Neutzling, J. M. Matos, A. Mishchenko, R. Ribas, and A. Reis,\n" );
+    Abc_Print( -2, "\t         \"Threshold logic synthesis based on cut pruning\". Proc. ICCAD 2015.\n" );
+//    Abc_Print( -2, "\t        http://www.eecs.berkeley.edu/~alanmi/publications/2015/iccad15_thresh.pdf\n" );
     return 1;
 }