Infrastructure for using the results of exact SAT-based synthesis during mapping.

1 files changed, 21 insertions, 3 deletions

diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index 244255da..703fd63d 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -16495,7 +16495,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
     If_ManSetDefaultPars( pPars );
     pPars->pLutLib = (If_LibLut_t *)Abc_FrameReadLibLut();
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "KCFAGRNTXYDEWSqaflepmrsdbgxyojiktncvh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "KCFAGRNTXYDEWSqaflepmrsdbgxyuojiktncvh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -16700,6 +16700,9 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
         case 'y':
             pPars->fUserRecLib ^= 1;
             break;
+        case 'u':
+            pPars->fUserSesLib ^= 1;
+            break;
         case 'o':
             pPars->fUseBuffs ^= 1;
             break;
@@ -16843,7 +16846,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
         pPars->fExpRed = 0;
     }
     // modify the subgraph recording
-    if ( pPars->fUserRecLib )
+    if ( pPars->fUserRecLib || pPars->fUserSesLib )
     {
         pPars->fTruth      =  1;
         pPars->fCutMin     =  1;
@@ -16921,6 +16924,20 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
             return 0;
         }
     }
+
+    if ( pPars->fUserSesLib )
+    {
+        if ( !Abc_ExactIsRunning() )
+        {
+            printf( "LMS manager is not running (use \"rec_start3\").\n" );
+            return 0;
+        }
+        if ( Abc_ExactInputNum() != pPars->nLutSize )
+        {
+            printf( "The number of library inputs (%d) different from the K parameters (%d).\n", Abc_ExactInputNum(), pPars->nLutSize );
+            return 0;
+        }
+    }
  
     // complain if truth tables are requested but the cut size is too large
     if ( pPars->fTruth && pPars->nLutSize > IF_MAX_FUNC_LUTSIZE )
@@ -16984,7 +17001,7 @@ usage:
         sprintf(LutSize, "library" );
     else
         sprintf(LutSize, "%d", pPars->nLutSize );
-    Abc_Print( -2, "usage: if [-KCFAGRNTXY num] [-DEW float] [-S str] [-qarlepmsdbgxyojiktncvh]\n" );
+    Abc_Print( -2, "usage: if [-KCFAGRNTXY num] [-DEW float] [-S str] [-qarlepmsdbgxyuojiktncvh]\n" );
     Abc_Print( -2, "\t           performs FPGA technology mapping of the network\n" );
     Abc_Print( -2, "\t-K num   : the number of LUT inputs (2 < num < %d) [default = %s]\n", IF_MAX_LUTSIZE+1, LutSize );
     Abc_Print( -2, "\t-C num   : the max number of priority cuts (0 < num < 2^12) [default = %d]\n", pPars->nCutsMax );
@@ -17013,6 +17030,7 @@ usage:
     Abc_Print( -2, "\t-g       : toggles delay optimization by SOP balancing [default = %s]\n", pPars->fDelayOpt? "yes": "no" );
     Abc_Print( -2, "\t-x       : toggles delay optimization by DSD balancing [default = %s]\n", pPars->fDsdBalance? "yes": "no" );
     Abc_Print( -2, "\t-y       : toggles delay optimization with recorded library [default = %s]\n", pPars->fUserRecLib? "yes": "no" );
+    Abc_Print( -2, "\t-u       : toggles delay optimization with SAT-based library [default = %s]\n", pPars->fUserSesLib? "yes": "no" );
     Abc_Print( -2, "\t-o       : toggles using buffers to decouple combinational outputs [default = %s]\n", pPars->fUseBuffs? "yes": "no" );
     Abc_Print( -2, "\t-j       : toggles enabling additional check [default = %s]\n", pPars->fEnableCheck07? "yes": "no" );
     Abc_Print( -2, "\t-i       : toggles using cofactoring variables [default = %s]\n", pPars->fUseCofVars? "yes": "no" );