Version abc80130_2

1 files changed, 209 insertions, 0 deletions

diff --git a/src/base/abci/abcDress.c b/src/base/abci/abcDress.c
new file mode 100644
index 00000000..f8182532
--- /dev/null
+++ b/src/base/abci/abcDress.c
@@ -0,0 +1,209 @@
+/**CFile****************************************************************
+
+  FileName    [abcDress.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Network and node package.]
+
+  Synopsis    [Transfers names from one netlist to the other.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: abcDress.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "abc.h"
+#include "io.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+static stmm_table * Abc_NtkDressDeriveMapping( Abc_Ntk_t * pNtk );
+static void         Abc_NtkDressTransferNames( Abc_Ntk_t * pNtk, stmm_table * tMapping, int fVerbose );
+
+extern Abc_Ntk_t *  Abc_NtkIvyFraig( Abc_Ntk_t * pNtk, int nConfLimit, int fDoSparse, int fProve, int fTransfer, int fVerbose );
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Transfers names from one netlist to the other.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NtkDress( Abc_Ntk_t * pNtkLogic, char * pFileName, int fVerbose )
+{
+    Abc_Ntk_t * pNtkOrig, * pNtkLogicOrig;
+    Abc_Ntk_t * pMiter, * pMiterFraig;
+    stmm_table * tMapping;
+
+    assert( Abc_NtkIsLogic(pNtkLogic) );
+
+    // get the original netlist
+    pNtkOrig = Io_ReadNetlist( pFileName, Io_ReadFileType(pFileName), 1 );
+    if ( pNtkOrig == NULL )
+        return;
+    assert( Abc_NtkIsNetlist(pNtkOrig) );
+
+    Abc_NtkCleanCopy(pNtkLogic);
+    Abc_NtkCleanCopy(pNtkOrig);
+
+    // convert it into the logic network
+    pNtkLogicOrig = Abc_NtkToLogic( pNtkOrig );
+    // check that the networks have the same PIs/POs/latches
+    if ( !Abc_NtkCompareSignals( pNtkLogic, pNtkLogicOrig, 1, 1 ) )
+    {
+        Abc_NtkDelete( pNtkOrig );
+        Abc_NtkDelete( pNtkLogicOrig );
+        return;
+    }
+
+    // convert the current logic network into an AIG
+    pMiter = Abc_NtkStrash( pNtkLogic, 1, 0, 0 );
+
+    // convert it into the AIG and make the netlist point to the AIG
+    Abc_NtkAppend( pMiter, pNtkLogicOrig, 1 );
+    Abc_NtkTransferCopy( pNtkOrig );
+    Abc_NtkDelete( pNtkLogicOrig );
+
+if ( fVerbose ) 
+{
+printf( "After mitering:\n" );
+printf( "Logic:  Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkLogic), Abc_NtkCountCopy(pNtkLogic) );
+printf( "Orig:   Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkOrig),  Abc_NtkCountCopy(pNtkOrig) );
+}
+
+    // fraig the miter (miter nodes point to the fraiged miter)
+    pMiterFraig = Abc_NtkIvyFraig( pMiter, 100, 1, 0, 1, 0 );
+    // make netlists point to the fraiged miter
+    Abc_NtkTransferCopy( pNtkLogic );
+    Abc_NtkTransferCopy( pNtkOrig );
+    Abc_NtkDelete( pMiter );
+
+if ( fVerbose ) 
+{
+printf( "After fraiging:\n" );
+printf( "Logic:  Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkLogic), Abc_NtkCountCopy(pNtkLogic) );
+printf( "Orig:   Nodes = %5d. Copy = %5d. \n", Abc_NtkNodeNum(pNtkOrig),  Abc_NtkCountCopy(pNtkOrig) );
+}
+
+    // derive mapping from the fraiged nodes into their prototype nodes in the original netlist
+    tMapping = Abc_NtkDressDeriveMapping( pNtkOrig );
+
+    // transfer the names to the new netlist
+    Abc_NtkDressTransferNames( pNtkLogic, tMapping, fVerbose );
+
+    // clean up
+    stmm_free_table( tMapping );
+    Abc_NtkDelete( pMiterFraig );
+    Abc_NtkDelete( pNtkOrig );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Returns the mapping from the fraig nodes point into the nodes of the netlist.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+stmm_table * Abc_NtkDressDeriveMapping( Abc_Ntk_t * pNtk )
+{
+    stmm_table * tResult;
+    Abc_Obj_t * pNode, * pNodeMap, * pNodeFraig;
+    int i;
+    assert( Abc_NtkIsNetlist(pNtk) );
+    tResult = stmm_init_table(stmm_ptrcmp,stmm_ptrhash);
+    Abc_NtkForEachNode( pNtk, pNode, i )
+    {
+        // get the fraiged node
+        pNodeFraig = Abc_ObjRegular(pNode->pCopy);
+        // if this node is already mapped, skip
+        if ( stmm_is_member( tResult, (char *)pNodeFraig ) )
+            continue;
+        // get the mapping of this node
+        pNodeMap = Abc_ObjNotCond( pNode, Abc_ObjIsComplement(pNode->pCopy) );
+        // add the mapping
+        stmm_insert( tResult, (char *)pNodeFraig, (char *)pNodeMap );
+    }
+    return tResult;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Attaches the names of to the new netlist.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NtkDressTransferNames( Abc_Ntk_t * pNtk, stmm_table * tMapping, int fVerbose )
+{
+    Abc_Obj_t * pNet, * pNode, * pNodeMap, * pNodeFraig;
+    char * pName;
+    int i, Counter = 0, CounterInv = 0, CounterInit = stmm_count(tMapping);
+    assert( Abc_NtkIsLogic(pNtk) );
+    Abc_NtkForEachNode( pNtk, pNode, i )
+    {
+        // if the node already has a name, quit
+        pName = Nm_ManFindNameById( pNtk->pManName, pNode->Id );
+        if ( pName != NULL )
+            continue;
+        // get the fraiged node
+        pNodeFraig = Abc_ObjRegular(pNode->pCopy);
+        // find the matching node of the original netlist
+        if ( !stmm_lookup( tMapping, (char *)pNodeFraig, (char **)&pNodeMap ) )
+            continue;
+        // find the true match
+        pNodeMap = Abc_ObjNotCond( pNodeMap, Abc_ObjIsComplement(pNode->pCopy) );
+        // get the name
+        pNet = Abc_ObjFanout0(Abc_ObjRegular(pNodeMap));
+        pName = Nm_ManFindNameById( pNet->pNtk->pManName, pNet->Id );
+        assert( pName != NULL );
+        // set the name
+        if ( Abc_ObjIsComplement(pNodeMap) )
+        {
+            Abc_ObjAssignName( pNode, pName, "_inv" );
+            CounterInv++;
+        }
+        else
+        {
+            Abc_ObjAssignName( pNode, pName, NULL );
+            Counter++;
+        }
+        // remove the name
+        stmm_delete( tMapping, (char **)&pNodeFraig, (char **)&pNodeMap );
+    }
+    if ( fVerbose )
+    {
+        printf( "Total number of names collected = %5d.\n", CounterInit );
+        printf( "Total number of names assigned  = %5d. (Dir = %5d. Compl = %5d.)\n", 
+            Counter + CounterInv, Counter, CounterInv );
+    }
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+