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Commit 2ba092e4 authored by Alan Mishchenko's avatar Alan Mishchenko
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Fixing commands 'putontop' and 'topmost'; adding command 'bottommost'.

parent 0b734d10
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Showing with 171 additions and 16 deletions
src/base/abci/abc.c
View file @ 2ba092e4
......@@ -193,6 +193,7 @@ static int Abc_CommandCone ( Abc_Frame_t * pAbc, int argc, cha
static int Abc_CommandNode ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandCof ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandTopmost ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandBottommost ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandTopAnd ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandTrim ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandShortNames ( Abc_Frame_t * pAbc, int argc, char ** argv );
......@@ -915,6 +916,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Various", "node", Abc_CommandNode, 1 );
Cmd_CommandAdd( pAbc, "Various", "cof", Abc_CommandCof, 1 );
Cmd_CommandAdd( pAbc, "Various", "topmost", Abc_CommandTopmost, 1 );
Cmd_CommandAdd( pAbc, "Various", "bottommost", Abc_CommandBottommost, 1 );
Cmd_CommandAdd( pAbc, "Various", "topand", Abc_CommandTopAnd, 1 );
Cmd_CommandAdd( pAbc, "Various", "trim", Abc_CommandTrim, 1 );
Cmd_CommandAdd( pAbc, "Various", "short_names", Abc_CommandShortNames, 0 );
......@@ -10423,7 +10425,15 @@ int Abc_CommandPutOnTop( Abc_Frame_t * pAbc, int argc, char ** argv )
}
// get the new network
pNtkRes = Abc_NtkPutOnTop( pNtk, pNtk2 );
if ( Abc_NtkIsLogic(pNtk2) )
pNtkRes = Abc_NtkPutOnTop( pNtk, pNtk2 );
else if ( Abc_NtkIsStrash(pNtk2) )
{
Abc_Ntk_t * pLogic = Abc_NtkToLogic( pNtk2 );
pNtkRes = Abc_NtkPutOnTop( pNtk, pLogic );
Abc_NtkDelete( pLogic );
}
else assert( 0 );
Abc_NtkDelete( pNtk2 );
// replace the current network
Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
......@@ -11903,12 +11913,7 @@ int Abc_CommandTopmost( Abc_Frame_t * pAbc, int argc, char ** argv )
if ( Abc_NtkLatchNum(pNtk) > 0 )
{
Abc_Print( -1, "Currently can only works for combinational circuits.\n" );
return 0;
}
if ( Abc_NtkPoNum(pNtk) != 1 )
{
Abc_Print( -1, "Currently expects a single-output miter.\n" );
Abc_Print( -1, "Currently only works for combinational circuits.\n" );
return 0;
}
......@@ -11931,6 +11936,86 @@ usage:
return 1;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_CommandBottommost( Abc_Frame_t * pAbc, int argc, char ** argv )
{
Abc_Ntk_t * pNtk, * pNtkRes;
int c, nLevels;
extern Abc_Ntk_t * Abc_NtkBottommost( Abc_Ntk_t * pNtk, int nLevels );
pNtk = Abc_FrameReadNtk(pAbc);
// set defaults
nLevels = 10;
Extra_UtilGetoptReset();
while ( ( c = Extra_UtilGetopt( argc, argv, "Nh" ) ) != EOF )
{
switch ( c )
{
case 'N':
if ( globalUtilOptind >= argc )
{
Abc_Print( -1, "Command line switch \"-N\" should be followed by an integer.\n" );
goto usage;
}
nLevels = atoi(argv[globalUtilOptind]);
globalUtilOptind++;
if ( nLevels < 0 )
goto usage;
break;
case 'h':
goto usage;
default:
goto usage;
}
}
if ( pNtk == NULL )
{
Abc_Print( -1, "Empty network.\n" );
return 1;
}
if ( !Abc_NtkIsStrash(pNtk) )
{
Abc_Print( -1, "Currently only works for structurally hashed circuits.\n" );
return 0;
}
if ( Abc_NtkLatchNum(pNtk) > 0 )
{
Abc_Print( -1, "Currently only works for combinational circuits.\n" );
return 0;
}
pNtkRes = Abc_NtkBottommost( pNtk, nLevels );
if ( pNtkRes == NULL )
{
Abc_Print( -1, "The command has failed.\n" );
return 1;
}
// replace the current network
Abc_FrameReplaceCurrentNetwork( pAbc, pNtkRes );
return 0;
usage:
Abc_Print( -2, "usage: bottommost [-N num] [-h]\n" );
Abc_Print( -2, "\t replaces the current network by several of its bottommost levels\n" );
Abc_Print( -2, "\t-N num : max number of levels [default = %d]\n", nLevels );
Abc_Print( -2, "\t-h : print the command usage\n");
Abc_Print( -2, "\tname : the node name\n");
return 1;
}
/**Function*************************************************************
Synopsis []
src/base/abci/abcStrash.c
View file @ 2ba092e4
......@@ -548,25 +548,27 @@ Abc_Obj_t * Abc_NtkTopmost_rec( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pNode, int Leve
Abc_Ntk_t * Abc_NtkTopmost( Abc_Ntk_t * pNtk, int nLevels )
{
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObjNew, * pObjPo;
int LevelCut;
Abc_Obj_t * pObjNew, * pObj;
int LevelCut, i;
assert( Abc_NtkIsStrash(pNtk) );
assert( Abc_NtkCoNum(pNtk) == 1 );
// get the cutoff level
LevelCut = Abc_MaxInt( 0, Abc_AigLevel(pNtk) - nLevels );
// start the network
pNtkNew = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtkNew->pName = Extra_UtilStrsav(pNtk->pName);
Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pNtkNew);
// create PIs below the cut and nodes above the cut
Abc_NtkCleanCopy( pNtk );
pObjNew = Abc_NtkTopmost_rec( pNtkNew, Abc_ObjFanin0(Abc_NtkPo(pNtk, 0)), LevelCut );
pObjNew = Abc_ObjNotCond( pObjNew, Abc_ObjFaninC0(Abc_NtkPo(pNtk, 0)) );
Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pNtkNew);
Abc_NtkForEachCo( pNtk, pObj, i )
{
pObjNew = Abc_NtkTopmost_rec( pNtkNew, Abc_ObjFanin0(pObj), LevelCut );
pObjNew = Abc_ObjNotCond( pObjNew, Abc_ObjFaninC0(pObj) );
Abc_ObjAddFanin( (pObj->pCopy = Abc_NtkCreatePo(pNtkNew)), pObjNew );
}
// add the PO node and name
pObjPo = Abc_NtkCreatePo(pNtkNew);
Abc_ObjAddFanin( pObjPo, pObjNew );
Abc_NtkAddDummyPiNames( pNtkNew );
Abc_ObjAssignName( pObjPo, Abc_ObjName(Abc_NtkPo(pNtk, 0)), NULL );
Abc_NtkForEachCo( pNtk, pObj, i )
Abc_ObjAssignName( pObj->pCopy, Abc_ObjName(pObj), NULL );
// make sure everything is okay
if ( !Abc_NtkCheck( pNtkNew ) )
{
......@@ -578,6 +580,74 @@ Abc_Ntk_t * Abc_NtkTopmost( Abc_Ntk_t * pNtk, int nLevels )
}
/**Function*************************************************************
Synopsis [Copies the bottommost levels of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NtkBottommost_rec( Abc_Ntk_t * pNtkNew, Abc_Obj_t * pNode, int LevelCut )
{
assert( !Abc_ObjIsComplement(pNode) );
if ( pNode->pCopy )
return pNode->pCopy;
Abc_NtkBottommost_rec( pNtkNew, Abc_ObjFanin0(pNode), LevelCut );
Abc_NtkBottommost_rec( pNtkNew, Abc_ObjFanin1(pNode), LevelCut );
if ( pNode->Level > (unsigned)LevelCut )
return NULL;
return pNode->pCopy = Abc_AigAnd( (Abc_Aig_t *)pNtkNew->pManFunc, Abc_ObjChild0Copy(pNode), Abc_ObjChild1Copy(pNode) );
}
/**Function*************************************************************
Synopsis [Copies the topmost levels of the network.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Ntk_t * Abc_NtkBottommost( Abc_Ntk_t * pNtk, int nLevels )
{
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pObj, * pObjNew;
int i;
assert( Abc_NtkIsStrash(pNtk) );
assert( nLevels >= 0 );
// start the network
pNtkNew = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtkNew->pName = Extra_UtilStrsav(pNtk->pName);
// create PIs below the cut and nodes above the cut
Abc_NtkCleanCopy( pNtk );
Abc_AigConst1(pNtk)->pCopy = Abc_AigConst1(pNtkNew);
Abc_NtkForEachCi( pNtk, pObj, i )
pObj->pCopy = Abc_NtkCreatePi( pNtkNew );
Abc_NtkForEachCo( pNtk, pObj, i )
Abc_NtkBottommost_rec( pNtkNew, Abc_ObjFanin0(pObj), nLevels );
// add POs to nodes without fanout
Abc_NtkForEachNode( pNtkNew, pObjNew, i )
if ( Abc_ObjFanoutNum(pObjNew) == 0 )
Abc_ObjAddFanin( Abc_NtkCreatePo(pNtkNew), pObjNew );
Abc_NtkAddDummyPiNames( pNtkNew );
Abc_NtkAddDummyPoNames( pNtkNew );
// make sure everything is okay
if ( !Abc_NtkCheck( pNtkNew ) )
{
printf( "Abc_NtkBottommost: The network check has failed.\n" );
Abc_NtkDelete( pNtkNew );
return NULL;
}
return pNtkNew;
}
/**Function*************************************************************
......
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