4 files changed, 14 insertions, 39 deletions
diff --git a/src/map/fpga/fpga.c b/src/map/fpga/fpga.c
index 6b107498..3d2ca913 100644
--- a/src/map/fpga/fpga.c
+++ b/src/map/fpga/fpga.c
@@ -56,9 +56,9 @@ static int Fpga_CommandPrintLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
 void Fpga_Init( Abc_Frame_t * pAbc )
 {
     // set the default library
-    //Fpga_LutLib_t    s_LutLib = { "lutlib", 6, {0,1,2,4,8,16,32}, {0,1,2,3,4,5,6} };
-    Fpga_LutLib_t    s_LutLib = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
-    Abc_FrameSetLibLut( pAbc, Fpga_LutLibDup(&s_LutLib) );
+    //Fpga_LutLib_t s_LutLib = { "lutlib", 6, {0,1,2,4,8,16,32}, {0,1,2,3,4,5,6} };
+    Fpga_LutLib_t s_LutLib = { "lutlib", 5, {0,1,1,1,1,1}, {0,1,1,1,1,1} };
+    Abc_FrameSetLibLut( Fpga_LutLibDup(&s_LutLib) );
 
     Cmd_CommandAdd( pAbc, "FPGA mapping", "read_lut",   Fpga_CommandReadLibrary,   0 ); 
     Cmd_CommandAdd( pAbc, "FPGA mapping", "print_lut",  Fpga_CommandPrintLibrary,  0 ); 
@@ -150,8 +150,8 @@ int Fpga_CommandReadLibrary( Abc_Frame_t * pAbc, int argc, char **argv )
         goto usage;
     }
     // replace the current library
-    Fpga_LutLibFree( Abc_FrameReadLibLut(Abc_FrameGetGlobalFrame()) );
-    Abc_FrameSetLibLut( Abc_FrameGetGlobalFrame(), pLib );
+    Fpga_LutLibFree( Abc_FrameReadLibLut() );
+    Abc_FrameSetLibLut( pLib );
     return 0;
 
 usage:
diff --git a/src/map/fpga/fpgaCore.c b/src/map/fpga/fpgaCore.c
index 95b9ca49..9ca65379 100644
--- a/src/map/fpga/fpgaCore.c
+++ b/src/map/fpga/fpgaCore.c
@@ -97,7 +97,7 @@ int Fpga_Mapping( Fpga_Man_t * p )
 ***********************************************************************/
 int Fpga_MappingPostProcess( Fpga_Man_t * p )
 {
-    int fShowSwitching    = 0;
+    int fShowSwitching    = 1;
     int fRecoverAreaFlow  = 1;
     int fRecoverArea      = 1;
     float aAreaTotalCur, aAreaTotalCur2;
diff --git a/src/map/fpga/fpgaSwitch.c b/src/map/fpga/fpgaSwitch.c
index 0d2ec3fc..8cc77990 100644
--- a/src/map/fpga/fpgaSwitch.c
+++ b/src/map/fpga/fpgaSwitch.c
@@ -22,8 +22,6 @@
 ///                        DECLARATIONS                              ///
 ////////////////////////////////////////////////////////////////////////
 
-static float Fpga_CutGetSwitching( Fpga_Cut_t * pCut );
-
 ////////////////////////////////////////////////////////////////////////
 ///                     FUNCTION DEFITIONS                           ///
 ////////////////////////////////////////////////////////////////////////
@@ -64,10 +62,10 @@ float Fpga_CutRefSwitch( Fpga_Man_t * pMan, Fpga_Node_t * pNode, Fpga_Cut_t * pC
     Fpga_Node_t * pNodeChild;
     float aArea;
     int i;
-    if ( pCut->nLeaves == 1 )
-        return 0;
     // start the area of this cut
-    aArea = Fpga_CutGetSwitching( pCut );
+    aArea = pNode->Switching;
+    if ( pCut->nLeaves == 1 )
+        return aArea;
     // go through the children
     for ( i = 0; i < pCut->nLeaves; i++ )
     {
@@ -96,10 +94,10 @@ float Fpga_CutDerefSwitch( Fpga_Man_t * pMan, Fpga_Node_t * pNode, Fpga_Cut_t *
     Fpga_Node_t * pNodeChild;
     float aArea;
     int i;
-    if ( pCut->nLeaves == 1 )
-        return 0;
     // start the area of this cut
-    aArea = Fpga_CutGetSwitching( pCut );
+    aArea = pNode->Switching;
+    if ( pCut->nLeaves == 1 )
+        return aArea;
     // go through the children
     for ( i = 0; i < pCut->nLeaves; i++ )
     {
@@ -112,27 +110,6 @@ float Fpga_CutDerefSwitch( Fpga_Man_t * pMan, Fpga_Node_t * pNode, Fpga_Cut_t *
     return aArea;
 }
 
-/**function*************************************************************
-
-  synopsis    [Computes the exact area associated with the cut.]
-
-  description []
-               
-  sideeffects []
-
-  seealso     []
-
-***********************************************************************/
-float Fpga_CutGetSwitching( Fpga_Cut_t * pCut )
-{
-    float Result;
-    int i;
-    Result = 0.0;
-    for ( i = 0; i < pCut->nLeaves; i++ )
-        Result += pCut->ppLeaves[i]->Switching;
-    return Result;
-}
-
 /**Function*************************************************************
 
   Synopsis    [Computes the array of mapping.]
@@ -153,10 +130,8 @@ float Fpga_MappingGetSwitching( Fpga_Man_t * pMan, Fpga_NodeVec_t * vMapping )
     for ( i = 0; i < vMapping->nSize; i++ )
     {
         pNode = vMapping->pArray[i];
-        if ( !Fpga_NodeIsAnd(pNode) )
-            continue;
         // at least one phase has the best cut assigned
-        assert( pNode->pCutBest != NULL );
+        assert( !Fpga_NodeIsAnd(pNode) || pNode->pCutBest != NULL );
         // at least one phase is used in the mapping
         assert( pNode->nRefs > 0 );
         // compute the array due to the supergate
diff --git a/src/map/fpga/fpgaUtils.c b/src/map/fpga/fpgaUtils.c
index 3ea1f2f1..db0f9623 100644
--- a/src/map/fpga/fpgaUtils.c
+++ b/src/map/fpga/fpgaUtils.c
@@ -314,7 +314,7 @@ float Fpga_MappingSetRefsAndArea( Fpga_Man_t * pMan )
 
     // reconnect the nodes in reverse topological order
     pMan->vMapping->nSize = 0;
-    for ( i = LevelMax; i > 0; i-- )
+    for ( i = LevelMax; i >= 0; i-- )
         for ( pNode = ppStore[i]; pNode; pNode = (Fpga_Node_t *)pNode->pData0 )
             Fpga_NodeVecPush( pMan->vMapping, pNode );
     free( ppStore );