mirror of https://github.com/YosysHQ/abc.git
137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/**CFile****************************************************************
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FileName [abcOrder.c]
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SystemName [ABC: Logic synthesis and verification system.]
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PackageName [Network and node package.]
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Synopsis [Exploring static BDD variable orders.]
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Author [Alan Mishchenko]
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Affiliation [UC Berkeley]
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Date [Ver. 1.0. Started - June 20, 2005.]
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Revision [$Id: abcOrder.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
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***********************************************************************/
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#include "base/abc/abc.h"
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ABC_NAMESPACE_IMPL_START
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////////////////////////////////////////////////////////////////////////
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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static void Abc_NtkChangeCiOrder( Abc_Ntk_t * pNtk, Vec_Ptr_t * vSupp, int fReverse );
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFINITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis [Changes the order of primary inputs.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Abc_NtkFindCiOrder( Abc_Ntk_t * pNtk, int fReverse, int fVerbose )
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{
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Vec_Ptr_t * vSupp;
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vSupp = Abc_NtkSupport( pNtk );
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Abc_NtkChangeCiOrder( pNtk, vSupp, fReverse );
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Vec_PtrFree( vSupp );
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}
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/**Function*************************************************************
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Synopsis [Implements the given variable order.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Abc_NtkImplementCiOrder( Abc_Ntk_t * pNtk, char * pFileName, int fReverse, int fVerbose )
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{
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char Buffer[1000];
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FILE * pFile;
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Vec_Ptr_t * vSupp;
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Abc_Obj_t * pObj;
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pFile = fopen( pFileName, "r" );
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vSupp = Vec_PtrAlloc( Abc_NtkCiNum(pNtk) );
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while ( fscanf( pFile, "%s", Buffer ) == 1 )
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{
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pObj = Abc_NtkFindCi( pNtk, Buffer );
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if ( pObj == NULL || !Abc_ObjIsCi(pObj) )
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{
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printf( "Name \"%s\" is not a PI name. Cannot use this order.\n", Buffer );
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Vec_PtrFree( vSupp );
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fclose( pFile );
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return;
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}
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Vec_PtrPush( vSupp, pObj );
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}
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fclose( pFile );
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if ( Vec_PtrSize(vSupp) != Abc_NtkCiNum(pNtk) )
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{
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printf( "The number of names in the order (%d) is not the same as the number of PIs (%d).\n", Vec_PtrSize(vSupp), Abc_NtkCiNum(pNtk) );
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Vec_PtrFree( vSupp );
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return;
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}
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Abc_NtkChangeCiOrder( pNtk, vSupp, fReverse );
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Vec_PtrFree( vSupp );
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}
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/**Function*************************************************************
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Synopsis [Changes the order of primary inputs.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Abc_NtkChangeCiOrder( Abc_Ntk_t * pNtk, Vec_Ptr_t * vSupp, int fReverse )
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{
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Abc_Obj_t * pObj;
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int i;
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assert( Vec_PtrSize(vSupp) == Abc_NtkCiNum(pNtk) );
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// order CIs using the array
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if ( fReverse )
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Vec_PtrForEachEntry( Abc_Obj_t *, vSupp, pObj, i )
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Vec_PtrWriteEntry( pNtk->vCis, Vec_PtrSize(vSupp)-1-i, pObj );
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else
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Vec_PtrForEachEntry( Abc_Obj_t *, vSupp, pObj, i )
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Vec_PtrWriteEntry( pNtk->vCis, i, pObj );
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// order PIs accordingly
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Vec_PtrClear( pNtk->vPis );
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Abc_NtkForEachCi( pNtk, pObj, i )
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if ( Abc_ObjIsPi(pObj) )
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Vec_PtrPush( pNtk->vPis, pObj );
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// Abc_NtkForEachCi( pNtk, pObj, i )
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// printf( "%s ", Abc_ObjName(pObj) );
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// printf( "\n" );
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}
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////////////////////////////////////////////////////////////////////////
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/// END OF FILE ///
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////////////////////////////////////////////////////////////////////////
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ABC_NAMESPACE_IMPL_END
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