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-rw-r--r--abc.dsp8
-rw-r--r--src/aig/aig/aig.h7
-rw-r--r--src/aig/aig/aigDfs.c8
-rw-r--r--src/aig/aig/aigDup.c142
-rw-r--r--src/aig/aig/aigHaig.c2
-rw-r--r--src/aig/aig/aigPart.c10
-rw-r--r--src/aig/aig/aigRepr.c8
-rw-r--r--src/aig/aig/aigUtil.c57
-rw-r--r--src/aig/fra/fraCore.c2
-rw-r--r--src/aig/fra/fraInd.c8
-rw-r--r--src/aig/fra/fraSec.c2
-rw-r--r--src/aig/hop/cudd2.c2
-rw-r--r--src/aig/ntl/module.make2
-rw-r--r--src/aig/ntl/ntl.h12
-rw-r--r--src/aig/ntl/ntlExtract.c209
-rw-r--r--src/aig/ntl/ntlFraig.c156
-rw-r--r--src/aig/ntl/ntlInsert.c118
-rw-r--r--src/aig/ntl/ntlMan.c3
-rw-r--r--src/aig/ntl/ntlReadBlif.c9
-rw-r--r--src/aig/ntl/ntlTable.c29
-rw-r--r--src/aig/ntl/ntlUtil.c165
-rw-r--r--src/aig/ntl/ntlWriteBlif.c46
-rw-r--r--src/aig/nwk/nwk.h1
-rw-r--r--src/aig/nwk/nwkMan.c26
-rw-r--r--src/aig/nwk/nwkMap.c2
-rw-r--r--src/aig/nwk/nwkSpeedup.c6
-rw-r--r--src/aig/nwk/nwkUtil.c15
-rw-r--r--src/base/abc/abcObj.c4
-rw-r--r--src/base/abc/abcSop.c35
-rw-r--r--src/base/abci/abc.c290
-rw-r--r--src/base/abci/abcDar.c2
-rw-r--r--src/base/abci/abcFpga.c4
-rw-r--r--src/base/abci/abcIf.c4
33 files changed, 1328 insertions, 66 deletions
diff --git a/abc.dsp b/abc.dsp
index f6771b7f..9034256e 100644
--- a/abc.dsp
+++ b/abc.dsp
@@ -3070,6 +3070,10 @@ SOURCE=.\src\aig\ntl\ntlExtract.c
# End Source File
# Begin Source File
+SOURCE=.\src\aig\ntl\ntlFraig.c
+# End Source File
+# Begin Source File
+
SOURCE=.\src\aig\ntl\ntlInsert.c
# End Source File
# Begin Source File
@@ -3098,6 +3102,10 @@ SOURCE=.\src\aig\ntl\ntlTime.c
# End Source File
# Begin Source File
+SOURCE=.\src\aig\ntl\ntlUtil.c
+# End Source File
+# Begin Source File
+
SOURCE=.\src\aig\ntl\ntlWriteBlif.c
# End Source File
# End Group
diff --git a/src/aig/aig/aig.h b/src/aig/aig/aig.h
index 13a82817..2231b4e7 100644
--- a/src/aig/aig/aig.h
+++ b/src/aig/aig/aig.h
@@ -312,7 +312,8 @@ static inline int Aig_ObjLevelNew( Aig_Obj_t * pObj ) { assert( !Aig
static inline int Aig_ObjSetLevel( Aig_Obj_t * pObj, int i ) { assert( !Aig_IsComplement(pObj) ); return pObj->Level = i; }
static inline void Aig_ObjClean( Aig_Obj_t * pObj ) { memset( pObj, 0, sizeof(Aig_Obj_t) ); }
static inline Aig_Obj_t * Aig_ObjFanout0( Aig_Man_t * p, Aig_Obj_t * pObj ) { assert(p->pFanData && pObj->Id < p->nFansAlloc); return Aig_ManObj(p, p->pFanData[5*pObj->Id] >> 1); }
-static inline Aig_Obj_t * Aig_ObjEquiv( Aig_Man_t * p, Aig_Obj_t * pObj ) { return p->pEquivs? p->pEquivs[pObj->Id] : NULL; }
+static inline Aig_Obj_t * Aig_ObjEquiv( Aig_Man_t * p, Aig_Obj_t * pObj ) { return p->pEquivs? p->pEquivs[pObj->Id] : NULL; }
+static inline Aig_Obj_t * Aig_ObjRepr( Aig_Man_t * p, Aig_Obj_t * pObj ) { return p->pReprs? p->pReprs[pObj->Id] : NULL; }
static inline int Aig_ObjPioNum( Aig_Obj_t * pObj ) { assert( !Aig_ObjIsNode(pObj) ); return (int)pObj->pNext; }
static inline int Aig_ObjWhatFanin( Aig_Obj_t * pObj, Aig_Obj_t * pFanin )
{
@@ -466,6 +467,8 @@ extern Aig_Man_t * Aig_ManDupDfs( Aig_Man_t * p );
extern Aig_Man_t * Aig_ManDupDfsOrder( Aig_Man_t * p, Aig_Man_t * pOrder );
extern Aig_Man_t * Aig_ManDupLevelized( Aig_Man_t * p );
extern Aig_Man_t * Aig_ManDupWithoutPos( Aig_Man_t * p );
+extern Aig_Man_t * Aig_ManDupRepres( Aig_Man_t * p );
+extern Aig_Man_t * Aig_ManDupRepresDfs( Aig_Man_t * p );
/*=== aigFanout.c ==========================================================*/
extern void Aig_ObjAddFanout( Aig_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pFanout );
extern void Aig_ObjRemoveFanout( Aig_Man_t * p, Aig_Obj_t * pObj, Aig_Obj_t * pFanout );
@@ -599,7 +602,7 @@ extern void Aig_ObjPrintVerilog( FILE * pFile, Aig_Obj_t * pObj, Vec_
extern void Aig_ObjPrintVerbose( Aig_Obj_t * pObj, int fHaig );
extern void Aig_ManPrintVerbose( Aig_Man_t * p, int fHaig );
extern void Aig_ManDump( Aig_Man_t * p );
-extern void Aig_ManDumpBlif( Aig_Man_t * p, char * pFileName );
+extern void Aig_ManDumpBlif( Aig_Man_t * p, char * pFileName, Vec_Ptr_t * vPiNames, Vec_Ptr_t * vPoNames );
extern void Aig_ManDumpVerilog( Aig_Man_t * p, char * pFileName );
extern void Aig_ManSetPioNumbers( Aig_Man_t * p );
extern void Aig_ManCleanPioNumbers( Aig_Man_t * p );
diff --git a/src/aig/aig/aigDfs.c b/src/aig/aig/aigDfs.c
index 34657a0b..917558c6 100644
--- a/src/aig/aig/aigDfs.c
+++ b/src/aig/aig/aigDfs.c
@@ -121,8 +121,8 @@ void Aig_ManDfs_rec( Aig_Man_t * p, Aig_Obj_t * pObj, Vec_Ptr_t * vNodes )
if ( Aig_ObjIsTravIdCurrent(p, pObj) )
return;
Aig_ObjSetTravIdCurrent(p, pObj);
- if ( p->pEquivs && p->pEquivs[pObj->Id] )
- Aig_ManDfs_rec( p, p->pEquivs[pObj->Id], vNodes );
+ if ( p->pEquivs && Aig_ObjEquiv(p, pObj) )
+ Aig_ManDfs_rec( p, Aig_ObjEquiv(p, pObj), vNodes );
Aig_ManDfs_rec( p, Aig_ObjFanin0(pObj), vNodes );
Aig_ManDfs_rec( p, Aig_ObjFanin1(pObj), vNodes );
Vec_PtrPush( vNodes, pObj );
@@ -239,7 +239,7 @@ void Aig_ManDfsChoices_rec( Aig_Man_t * p, Aig_Obj_t * pObj, Vec_Ptr_t * vNodes
assert( Aig_ObjIsNode(pObj) );
Aig_ManDfsChoices_rec( p, Aig_ObjFanin0(pObj), vNodes );
Aig_ManDfsChoices_rec( p, Aig_ObjFanin1(pObj), vNodes );
- Aig_ManDfsChoices_rec( p, p->pEquivs[pObj->Id], vNodes );
+ Aig_ManDfsChoices_rec( p, Aig_ObjEquiv(p, pObj), vNodes );
assert( !Aig_ObjIsTravIdCurrent(p, pObj) ); // loop detection
Aig_ObjSetTravIdCurrent(p, pObj);
Vec_PtrPush( vNodes, pObj );
@@ -411,7 +411,7 @@ void Aig_ManChoiceLevel_rec( Aig_Man_t * p, Aig_Obj_t * pObj )
LevelMax++;
// get the level of the nodes in the choice node
- if ( p->pEquivs && (pNext = p->pEquivs[pObj->Id]) )
+ if ( p->pEquivs && (pNext = Aig_ObjEquiv(p, pObj)) )
{
Aig_ManChoiceLevel_rec( p, pNext );
if ( LevelMax < Aig_ObjLevel(pNext) )
diff --git a/src/aig/aig/aigDup.c b/src/aig/aig/aigDup.c
index 61e71c31..fb0a8ba8 100644
--- a/src/aig/aig/aigDup.c
+++ b/src/aig/aig/aigDup.c
@@ -178,8 +178,8 @@ Aig_Obj_t * Aig_ManDupDfs_rec( Aig_Man_t * pNew, Aig_Man_t * p, Aig_Obj_t * pObj
Aig_Obj_t * pObjNew, * pEquivNew = NULL;
if ( pObj->pData )
return pObj->pData;
- if ( p->pEquivs && p->pEquivs[pObj->Id] )
- pEquivNew = Aig_ManDupDfs_rec( pNew, p, p->pEquivs[pObj->Id] );
+ if ( p->pEquivs && Aig_ObjEquiv(p, pObj) )
+ pEquivNew = Aig_ManDupDfs_rec( pNew, p, Aig_ObjEquiv(p, pObj) );
Aig_ManDupDfs_rec( pNew, p, Aig_ObjFanin0(pObj) );
if ( Aig_ObjIsBuf(pObj) )
return pObj->pData = Aig_ObjChild0Copy(pObj);
@@ -482,6 +482,144 @@ Aig_Man_t * Aig_ManDupWithoutPos( Aig_Man_t * p )
}
+/**Function*************************************************************
+
+ Synopsis [Returns representatives of fanin in approapriate polarity.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline Aig_Obj_t * Aig_ObjGetRepres( Aig_Man_t * p, Aig_Obj_t * pObj )
+{
+ Aig_Obj_t * pRepr;
+ if ( (pRepr = Aig_ObjRepr(p, pObj)) )
+ return Aig_NotCond( pRepr->pData, pObj->fPhase ^ pRepr->fPhase );
+ return pObj->pData;
+}
+static inline Aig_Obj_t * Aig_ObjChild0Repres( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjGetRepres(p, Aig_ObjFanin0(pObj)), Aig_ObjFaninC0(pObj) ); }
+static inline Aig_Obj_t * Aig_ObjChild1Repres( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjGetRepres(p, Aig_ObjFanin1(pObj)), Aig_ObjFaninC1(pObj) ); }
+
+/**Function*************************************************************
+
+ Synopsis [Duplicates AIG while substituting representatives.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Man_t * Aig_ManDupRepres( Aig_Man_t * p )
+{
+ Aig_Man_t * pNew;
+ Aig_Obj_t * pObj;
+ int i;
+ // start the HOP package
+ pNew = Aig_ManStart( Aig_ManObjNumMax(p) );
+ pNew->pName = Aig_UtilStrsav( p->pName );
+ pNew->pSpec = Aig_UtilStrsav( p->pSpec );
+ pNew->nRegs = p->nRegs;
+ if ( p->vFlopNums )
+ pNew->vFlopNums = Vec_IntDup( p->vFlopNums );
+ // map the const and primary inputs
+ Aig_ManCleanData( p );
+ Aig_ManForEachObj( p, pObj, i )
+ {
+ if ( Aig_ObjIsNode(pObj) )
+ pObj->pData = Aig_And( pNew, Aig_ObjChild0Repres(p, pObj), Aig_ObjChild1Repres(p, pObj) );
+ else if ( Aig_ObjIsPi(pObj) )
+ pObj->pData = Aig_ObjCreatePi(pNew);
+ else if ( Aig_ObjIsPo(pObj) )
+ pObj->pData = Aig_ObjCreatePo( pNew, Aig_ObjChild0Repres(p, pObj) );
+ else if ( Aig_ObjIsConst1(pObj) )
+ pObj->pData = Aig_ManConst1(pNew);
+ else
+ assert( 0 );
+ }
+ // check the new manager
+ if ( !Aig_ManCheck(pNew) )
+ printf( "Aig_ManDupReprentative: Check has failed.\n" );
+ return pNew;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Duplicates the AIG manager recursively.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Obj_t * Aig_ManDupRepres_rec( Aig_Man_t * pNew, Aig_Man_t * p, Aig_Obj_t * pObj )
+{
+ Aig_Obj_t * pRepr;
+ if ( pObj->pData )
+ return pObj->pData;
+ if ( (pRepr = Aig_ObjRepr(p, pObj)) )
+ {
+ Aig_ManDupRepres_rec( pNew, p, pRepr );
+ return pObj->pData = Aig_NotCond( pRepr->pData, pRepr->fPhase ^ pObj->fPhase );
+ }
+ Aig_ManDupRepres_rec( pNew, p, Aig_ObjFanin0(pObj) );
+ Aig_ManDupRepres_rec( pNew, p, Aig_ObjFanin1(pObj) );
+ return pObj->pData = Aig_And( pNew, Aig_ObjChild0Repres(p, pObj), Aig_ObjChild1Repres(p, pObj) );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Duplicates AIG while substituting representatives.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Man_t * Aig_ManDupRepresDfs( Aig_Man_t * p )
+{
+ Aig_Man_t * pNew;
+ Aig_Obj_t * pObj;
+ int i;
+ // start the HOP package
+ pNew = Aig_ManStart( Aig_ManObjNumMax(p) );
+ pNew->pName = Aig_UtilStrsav( p->pName );
+ pNew->pSpec = Aig_UtilStrsav( p->pSpec );
+ pNew->nRegs = p->nRegs;
+ if ( p->vFlopNums )
+ pNew->vFlopNums = Vec_IntDup( p->vFlopNums );
+ // map the const and primary inputs
+ Aig_ManCleanData( p );
+ Aig_ManForEachObj( p, pObj, i )
+ {
+ if ( Aig_ObjIsNode(pObj) )
+ continue;
+ if ( Aig_ObjIsPi(pObj) )
+ pObj->pData = Aig_ObjCreatePi(pNew);
+ else if ( Aig_ObjIsPo(pObj) )
+ {
+ Aig_ManDupRepres_rec( pNew, p, Aig_ObjFanin0(pObj) );
+ pObj->pData = Aig_ObjCreatePo( pNew, Aig_ObjChild0Repres(p, pObj) );
+ }
+ else if ( Aig_ObjIsConst1(pObj) )
+ pObj->pData = Aig_ManConst1(pNew);
+ else
+ assert( 0 );
+ }
+ // check the new manager
+ if ( !Aig_ManCheck(pNew) )
+ printf( "Aig_ManDupReprentative: Check has failed.\n" );
+ return pNew;
+}
+
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
diff --git a/src/aig/aig/aigHaig.c b/src/aig/aig/aigHaig.c
index e465a07a..491a09a3 100644
--- a/src/aig/aig/aigHaig.c
+++ b/src/aig/aig/aigHaig.c
@@ -259,7 +259,7 @@ void Aig_ManHaigRecord( Aig_Man_t * p )
// perform a sequence of synthesis steps
pNew = Aig_ManRetimeFrontier( p, 10000 );
// use the haig for verification
- Aig_ManDumpBlif( pNew->pManHaig, "haig_temp.blif" );
+ Aig_ManDumpBlif( pNew->pManHaig, "haig_temp.blif", NULL, NULL );
Aig_ManHaigVerify( pNew->pManHaig );
Aig_ManStop( pNew );
}
diff --git a/src/aig/aig/aigPart.c b/src/aig/aig/aigPart.c
index ce7221ae..52633da7 100644
--- a/src/aig/aig/aigPart.c
+++ b/src/aig/aig/aigPart.c
@@ -1376,8 +1376,7 @@ Aig_Man_t * Aig_ManFraigPartitioned( Aig_Man_t * pAig, int nPartSize, int nConfM
Aig_ManReprStart( pAig, Aig_ManObjNumMax(pAig) );
// set the PI numbers
- Aig_ManForEachPi( pAig, pObj, k )
- pObj->pNext = (Aig_Obj_t *)(long)k;
+ Aig_ManSetPioNumbers( pAig );
// create the total fraiged AIG
Vec_PtrForEachEntry( vParts, vPart, i )
@@ -1410,8 +1409,7 @@ Aig_Man_t * Aig_ManFraigPartitioned( Aig_Man_t * pAig, int nPartSize, int nConfM
Vec_VecFree( (Vec_Vec_t *)vParts );
// clear the PI numbers
- Aig_ManForEachPi( pAig, pObj, k )
- pObj->pNext = NULL;
+ Aig_ManCleanPioNumbers( pAig );
// derive the result of choicing
return Aig_ManDupRepr( pAig, 0 );
@@ -1533,10 +1531,10 @@ void Aig_ManChoiceEval( Aig_Man_t * p )
int x = 0;
}
Counter = 0;
- for ( pTemp = pNode; pTemp; pTemp = p->pEquivs[pTemp->Id] )
+ for ( pTemp = pNode; pTemp; pTemp = Aig_ObjEquiv(p, pTemp) )
Counter++;
printf( "Choice node = %5d. Level = %2d. Choices = %d. { ", pNode->Id, pNode->Level, Counter );
- for ( pTemp = pNode; pTemp; pTemp = p->pEquivs[pTemp->Id] )
+ for ( pTemp = pNode; pTemp; pTemp = Aig_ObjEquiv(p, pTemp) )
{
Counter = Aig_NodeMffsSupp( p, pTemp, 0, vSupp );
printf( "S=%d N=%d L=%d ", Vec_PtrSize(vSupp), Counter, pTemp->Level );
diff --git a/src/aig/aig/aigRepr.c b/src/aig/aig/aigRepr.c
index 422dea47..4eefa283 100644
--- a/src/aig/aig/aigRepr.c
+++ b/src/aig/aig/aigRepr.c
@@ -184,15 +184,15 @@ static inline Aig_Obj_t * Aig_ObjFindReprTransitive( Aig_Man_t * p, Aig_Obj_t *
SeeAlso []
***********************************************************************/
-static inline Aig_Obj_t * Aig_ObjRepr( Aig_Man_t * p, Aig_Obj_t * pObj )
+static inline Aig_Obj_t * Aig_ObjGetRepr( Aig_Man_t * p, Aig_Obj_t * pObj )
{
Aig_Obj_t * pRepr;
if ( (pRepr = Aig_ObjFindRepr(p, pObj)) )
return Aig_NotCond( pRepr->pData, pObj->fPhase ^ pRepr->fPhase );
return pObj->pData;
}
-static inline Aig_Obj_t * Aig_ObjChild0Repr( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjRepr(p, Aig_ObjFanin0(pObj)), Aig_ObjFaninC0(pObj) ); }
-static inline Aig_Obj_t * Aig_ObjChild1Repr( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjRepr(p, Aig_ObjFanin1(pObj)), Aig_ObjFaninC1(pObj) ); }
+static inline Aig_Obj_t * Aig_ObjChild0Repr( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjGetRepr(p, Aig_ObjFanin0(pObj)), Aig_ObjFaninC0(pObj) ); }
+static inline Aig_Obj_t * Aig_ObjChild1Repr( Aig_Man_t * p, Aig_Obj_t * pObj ) { return Aig_NotCond( Aig_ObjGetRepr(p, Aig_ObjFanin1(pObj)), Aig_ObjFaninC1(pObj) ); }
/**Function*************************************************************
@@ -357,7 +357,7 @@ int Aig_ObjCheckTfi_rec( Aig_Man_t * p, Aig_Obj_t * pNode, Aig_Obj_t * pOld )
if ( Aig_ObjCheckTfi_rec( p, Aig_ObjFanin1(pNode), pOld ) )
return 1;
// check equivalent nodes
- return Aig_ObjCheckTfi_rec( p, p->pEquivs[pNode->Id], pOld );
+ return Aig_ObjCheckTfi_rec( p, Aig_ObjEquiv(p, pNode), pOld );
}
/**Function*************************************************************
diff --git a/src/aig/aig/aigUtil.c b/src/aig/aig/aigUtil.c
index e9382468..7dc0c6e3 100644
--- a/src/aig/aig/aigUtil.c
+++ b/src/aig/aig/aigUtil.c
@@ -649,7 +649,7 @@ void Aig_ManDump( Aig_Man_t * p )
char FileName[20];
// dump the logic into a file
sprintf( FileName, "aigbug\\%03d.blif", ++Counter );
- Aig_ManDumpBlif( p, FileName );
+ Aig_ManDumpBlif( p, FileName, NULL, NULL );
printf( "Intermediate AIG with %d nodes was written into file \"%s\".\n", Aig_ManNodeNum(p), FileName );
}
@@ -664,7 +664,7 @@ void Aig_ManDump( Aig_Man_t * p )
SeeAlso []
***********************************************************************/
-void Aig_ManDumpBlif( Aig_Man_t * p, char * pFileName )
+void Aig_ManDumpBlif( Aig_Man_t * p, char * pFileName, Vec_Ptr_t * vPiNames, Vec_Ptr_t * vPoNames )
{
FILE * pFile;
Vec_Ptr_t * vNodes;
@@ -694,44 +694,75 @@ void Aig_ManDumpBlif( Aig_Man_t * p, char * pFileName )
pFile = fopen( pFileName, "w" );
fprintf( pFile, "# BLIF file written by procedure Aig_ManDumpBlif()\n" );
// fprintf( pFile, "# http://www.eecs.berkeley.edu/~alanmi/abc/\n" );
- fprintf( pFile, ".model test\n" );
+ fprintf( pFile, ".model %s\n", p->pName );
// write PIs
fprintf( pFile, ".inputs" );
Aig_ManForEachPiSeq( p, pObj, i )
- fprintf( pFile, " n%0*d", nDigits, pObj->iData );
+ if ( vPiNames )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPiNames, i) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, pObj->iData );
fprintf( pFile, "\n" );
// write POs
fprintf( pFile, ".outputs" );
Aig_ManForEachPoSeq( p, pObj, i )
- fprintf( pFile, " n%0*d", nDigits, pObj->iData );
+ if ( vPoNames )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPoNames, i) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, pObj->iData );
fprintf( pFile, "\n" );
// write latches
if ( Aig_ManRegNum(p) )
{
fprintf( pFile, "\n" );
Aig_ManForEachLiLoSeq( p, pObjLi, pObjLo, i )
- fprintf( pFile, ".latch n%0*d n%0*d 0\n", nDigits, pObjLi->iData, nDigits, pObjLo->iData );
+ {
+ fprintf( pFile, ".latch" );
+ if ( vPoNames )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPoNames, Aig_ManPoNum(p)-Aig_ManRegNum(p)+i) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, pObjLi->iData );
+ if ( vPiNames )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPiNames, Aig_ManPiNum(p)-Aig_ManRegNum(p)+i) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, pObjLo->iData );
+ fprintf( pFile, " 0\n" );
+ }
fprintf( pFile, "\n" );
}
// write nodes
if ( pConst1 )
fprintf( pFile, ".names n%0*d\n 1\n", nDigits, pConst1->iData );
+ Aig_ManSetPioNumbers( p );
Vec_PtrForEachEntry( vNodes, pObj, i )
{
- fprintf( pFile, ".names n%0*d n%0*d n%0*d\n",
- nDigits, Aig_ObjFanin0(pObj)->iData,
- nDigits, Aig_ObjFanin1(pObj)->iData,
- nDigits, pObj->iData );
+ fprintf( pFile, ".names" );
+ if ( vPiNames && Aig_ObjIsPi(Aig_ObjFanin0(pObj)) )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPiNames, Aig_ObjPioNum(Aig_ObjFanin0(pObj))) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, Aig_ObjFanin0(pObj)->iData );
+ if ( vPiNames && Aig_ObjIsPi(Aig_ObjFanin1(pObj)) )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPiNames, Aig_ObjPioNum(Aig_ObjFanin1(pObj))) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, Aig_ObjFanin1(pObj)->iData );
+ fprintf( pFile, " n%0*d\n", nDigits, pObj->iData );
fprintf( pFile, "%d%d 1\n", !Aig_ObjFaninC0(pObj), !Aig_ObjFaninC1(pObj) );
}
// write POs
Aig_ManForEachPo( p, pObj, i )
{
- fprintf( pFile, ".names n%0*d n%0*d\n",
- nDigits, Aig_ObjFanin0(pObj)->iData,
- nDigits, pObj->iData );
+ fprintf( pFile, ".names" );
+ if ( vPiNames && Aig_ObjIsPi(Aig_ObjFanin0(pObj)) )
+ fprintf( pFile, " %s", Vec_PtrEntry(vPiNames, Aig_ObjPioNum(Aig_ObjFanin0(pObj))) );
+ else
+ fprintf( pFile, " n%0*d", nDigits, Aig_ObjFanin0(pObj)->iData );
+ if ( vPoNames )
+ fprintf( pFile, " %s\n", Vec_PtrEntry(vPoNames, Aig_ObjPioNum(pObj)) );
+ else
+ fprintf( pFile, " n%0*d\n", nDigits, pObj->iData );
fprintf( pFile, "%d 1\n", !Aig_ObjFaninC0(pObj) );
}
+ Aig_ManCleanPioNumbers( p );
fprintf( pFile, ".end\n\n" );
fclose( pFile );
Vec_PtrFree( vNodes );
diff --git a/src/aig/fra/fraCore.c b/src/aig/fra/fraCore.c
index 80799e3e..75de8a71 100644
--- a/src/aig/fra/fraCore.c
+++ b/src/aig/fra/fraCore.c
@@ -155,7 +155,7 @@ static inline void Fra_FraigNodeSpeculate( Fra_Man_t * p, Aig_Obj_t * pObj, Aig_
pTemp = Aig_ManExtractMiter( p->pManFraig, pObjFraig, pObjReprFraig );
// dump the logic into a file
sprintf( FileName, "aig\\%03d.blif", ++Counter );
- Aig_ManDumpBlif( pTemp, FileName );
+ Aig_ManDumpBlif( pTemp, FileName, NULL, NULL );
printf( "Speculation cone with %d nodes was written into file \"%s\".\n", Aig_ManNodeNum(pTemp), FileName );
// clean up
Aig_ManStop( pTemp );
diff --git a/src/aig/fra/fraInd.c b/src/aig/fra/fraInd.c
index 03d03ea1..2dde907c 100644
--- a/src/aig/fra/fraInd.c
+++ b/src/aig/fra/fraInd.c
@@ -50,8 +50,8 @@ void Fra_FraigInductionRewrite( Fra_Man_t * p )
// pTemp = Dar_ManRwsat( pTemp, 1, 0 );
pTemp = Dar_ManRewriteDefault( p->pManFraig );
// printf( "Before = %6d. After = %6d.\n", Aig_ManNodeNum(p->pManFraig), Aig_ManNodeNum(pTemp) );
-//Aig_ManDumpBlif( p->pManFraig, "1.blif" );
-//Aig_ManDumpBlif( pTemp, "2.blif" );
+//Aig_ManDumpBlif( p->pManFraig, "1.blif", NULL, NULL );
+//Aig_ManDumpBlif( pTemp, "2.blif", NULL, NULL );
// Fra_FramesWriteCone( pTemp );
// Aig_ManStop( pTemp );
// transfer PI/register pointers
@@ -431,7 +431,7 @@ PRT( "Time", clock() - clk );
// dump AIG of the timeframes
// pManAigNew = Fra_ClassesDeriveAig( p->pCla, pPars->nFramesK );
-// Aig_ManDumpBlif( pManAigNew, "frame_aig.blif" );
+// Aig_ManDumpBlif( pManAigNew, "frame_aig.blif", NULL, NULL );
// Fra_ManPartitionTest2( pManAigNew );
// Aig_ManStop( pManAigNew );
@@ -448,7 +448,7 @@ PRT( "Time", clock() - clk );
clk2 = clock();
p->pManFraig = Fra_FramesWithClasses( p );
p->timeTrav += clock() - clk2;
-//Aig_ManDumpBlif( p->pManFraig, "testaig.blif" );
+//Aig_ManDumpBlif( p->pManFraig, "testaig.blif", NULL, NULL );
// perform AIG rewriting
if ( p->pPars->fRewrite )
diff --git a/src/aig/fra/fraSec.c b/src/aig/fra/fraSec.c
index 83a551b8..389c3e2f 100644
--- a/src/aig/fra/fraSec.c
+++ b/src/aig/fra/fraSec.c
@@ -59,7 +59,7 @@ int Fra_FraigSec( Aig_Man_t * p, int nFramesMax, int fRetimeFirst, int fFraiging
printf( "Original miter: Latches = %5d. Nodes = %6d.\n",
Aig_ManRegNum(pNew), Aig_ManNodeNum(pNew) );
}
-//Aig_ManDumpBlif( pNew, "after.blif" );
+//Aig_ManDumpBlif( pNew, "after.blif", NULL, NULL );
// perform sequential cleanup
clk = clock();
diff --git a/src/aig/hop/cudd2.c b/src/aig/hop/cudd2.c
index 28d13ce0..11842c39 100644
--- a/src/aig/hop/cudd2.c
+++ b/src/aig/hop/cudd2.c
@@ -77,7 +77,7 @@ void Cudd2_Init( unsigned int numVars, unsigned int numVarsZ, unsigned int numSl
void Cudd2_Quit( void * pCudd )
{
assert( s_pCuddMan != NULL );
- Aig_ManDumpBlif( s_pCuddMan->pAig, "aig_temp.blif" );
+ Aig_ManDumpBlif( s_pCuddMan->pAig, "aig_temp.blif", NULL, NULL );
Aig_ManStop( s_pCuddMan->pAig );
st_free_table( s_pCuddMan->pTable );
free( s_pCuddMan );
diff --git a/src/aig/ntl/module.make b/src/aig/ntl/module.make
index aba4fbf2..d3f2cfdd 100644
--- a/src/aig/ntl/module.make
+++ b/src/aig/ntl/module.make
@@ -1,6 +1,7 @@
SRC += src/aig/ntl/ntlCheck.c \
src/aig/ntl/ntlCore.c \
src/aig/ntl/ntlExtract.c \
+ src/aig/ntl/ntlFraig.c \
src/aig/ntl/ntlInsert.c \
src/aig/ntl/ntlMan.c \
src/aig/ntl/ntlMap.c \
@@ -8,5 +9,6 @@ SRC += src/aig/ntl/ntlCheck.c \
src/aig/ntl/ntlReadBlif.c \
src/aig/ntl/ntlTable.c \
src/aig/ntl/ntlTime.c \
+ src/aig/ntl/ntlUtil.c \
src/aig/ntl/ntlWriteBlif.c
diff --git a/src/aig/ntl/ntl.h b/src/aig/ntl/ntl.h
index 6d4f5c29..2e109f05 100644
--- a/src/aig/ntl/ntl.h
+++ b/src/aig/ntl/ntl.h
@@ -103,9 +103,8 @@ struct Ntl_Obj_t_
Ntl_Mod_t * pModel; // the model
void * pCopy; // the copy of this object
unsigned Type : 3; // object type
- unsigned Id : 27; // object ID
- unsigned MarkA : 1; // temporary mark
- unsigned MarkB : 1; // temporary mark
+ unsigned fMark : 1; // temporary mark
+ unsigned Id : 28; // object ID
int nFanins; // the number of fanins
int nFanouts; // the number of fanouts
union { // functionality
@@ -123,6 +122,7 @@ struct Ntl_Net_t_
Ntl_Obj_t * pDriver; // driver of the net
char nVisits; // the number of times the net is visited
char fMark; // temporary mark
+ char fCompl; // complemented attribue
char pName[0]; // the name of this net
};
@@ -234,6 +234,7 @@ extern Aig_Man_t * Ntl_ManCollapse( Ntl_Man_t * p );
extern char * Ntl_SopFromTruth( Ntl_Man_t * p, unsigned * pTruth, int nVars, Vec_Int_t * vCover );
/*=== ntlInsert.c ==========================================================*/
extern int Ntl_ManInsert( Ntl_Man_t * p, Vec_Ptr_t * vMapping, Aig_Man_t * pAig );
+extern int Ntl_ManInsertAig( Ntl_Man_t * p, Aig_Man_t * pAig );
extern int Ntl_ManInsertNtk( Ntl_Man_t * p, Nwk_Man_t * pNtk );
/*=== ntlCheck.c ==========================================================*/
extern int Ntl_ManCheck( Ntl_Man_t * pMan );
@@ -270,12 +271,17 @@ extern Ntl_Net_t * Ntl_ModelFindNet( Ntl_Mod_t * p, char * pName );
extern Ntl_Net_t * Ntl_ModelFindOrCreateNet( Ntl_Mod_t * p, char * pName );
extern int Ntl_ModelFindPioNumber( Ntl_Mod_t * p, char * pName, int * pNumber );
extern int Ntl_ModelSetNetDriver( Ntl_Obj_t * pObj, Ntl_Net_t * pNet );
+extern void Ntl_ModelDeleteNet( Ntl_Mod_t * p, Ntl_Net_t * pNet );
/*=== ntlTime.c ==========================================================*/
extern Tim_Man_t * Ntl_ManCreateTiming( Ntl_Man_t * p );
/*=== ntlReadBlif.c ==========================================================*/
extern Ntl_Man_t * Ioa_ReadBlif( char * pFileName, int fCheck );
/*=== ntlWriteBlif.c ==========================================================*/
extern void Ioa_WriteBlif( Ntl_Man_t * p, char * pFileName );
+/*=== ntlUtil.c ==========================================================*/
+extern int Ntl_ManTransformCoDrivers( Ntl_Man_t * p );
+extern Vec_Ptr_t * Ntl_ManCollectCiNames( Ntl_Man_t * p );
+extern Vec_Ptr_t * Ntl_ManCollectCoNames( Ntl_Man_t * p );
#ifdef __cplusplus
}
diff --git a/src/aig/ntl/ntlExtract.c b/src/aig/ntl/ntlExtract.c
index cd21c95f..848f113a 100644
--- a/src/aig/ntl/ntlExtract.c
+++ b/src/aig/ntl/ntlExtract.c
@@ -213,6 +213,41 @@ char * Ntl_SopCreateFromIsop( Aig_MmFlex_t * pMan, int nVars, Vec_Int_t * vCover
/**Function*************************************************************
+ Synopsis [Creates the cover from the ISOP computed from TT.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Ntl_SopToIsop( char * pSop, Vec_Int_t * vCover )
+{
+ char * pCube;
+ int k, nVars, Entry;
+ nVars = Ntl_SopGetVarNum( pSop );
+ assert( nVars > 0 );
+ // create cubes
+ Vec_IntClear( vCover );
+ for ( pCube = pSop; *pCube; pCube += nVars + 3 )
+ {
+ Entry = 0;
+ for ( k = nVars - 1; k >= 0; k-- )
+ if ( pCube[k] == '0' )
+ Entry = (Entry << 2) | 1;
+ else if ( pCube[k] == '1' )
+ Entry = (Entry << 2) | 2;
+ else if ( pCube[k] == '-' )
+ Entry = (Entry << 2);
+ else
+ assert( 0 );
+ Vec_IntPush( vCover, Entry );
+ }
+}
+
+/**Function*************************************************************
+
Synopsis [Transforms truth table into the SOP.]
Description []
@@ -404,10 +439,11 @@ int Ntl_ManExtract_rec( Ntl_Man_t * p, Ntl_Net_t * pNet )
}
//printf( "Creating fake PO with ID = %d.\n", Aig_ManPo(p->pAig, Vec_IntEntryLast(p->vBox1Cos))->Id );
}
- // store the node
Vec_PtrPush( p->vNodes, pObj );
if ( Ntl_ObjIsNode(pObj) )
pNet->pCopy = Ntl_ManBuildNodeAig( pObj );
+ if ( pNet->fCompl )
+ pNet->pCopy = Aig_Not(pNet->pCopy);
pNet->nVisits = 2;
return 1;
}
@@ -602,9 +638,10 @@ int Ntl_ManCollapse_rec( Ntl_Man_t * p, Ntl_Net_t * pNet )
if ( !Ntl_ManBuildModelAig( p, pObj ) )
return 0;
}
- // store the node
if ( Ntl_ObjIsNode(pObj) )
pNet->pCopy = Ntl_ManBuildNodeAig( pObj );
+ if ( pNet->fCompl )
+ pNet->pCopy = Aig_Not(pNet->pCopy);
pNet->nVisits = 2;
return 1;
}
@@ -692,6 +729,174 @@ Aig_Man_t * Ntl_ManCollapse( Ntl_Man_t * p )
return pAig;
}
+/**Function*************************************************************
+
+ Synopsis [Increments reference counter of the net.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+static inline void Ntl_NetIncrementRefs( Ntl_Net_t * pNet )
+{
+ int nRefs = (int)pNet->pCopy;
+ pNet->pCopy = (void *)(nRefs + 1);
+}
+
+/**Function*************************************************************
+
+ Synopsis [Extracts logic newtork out of the netlist.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Nwk_Obj_t * Ntl_ManExtractNwk_rec( Ntl_Man_t * p, Ntl_Net_t * pNet, Nwk_Man_t * pNtk, Vec_Int_t * vCover, Vec_Int_t * vMemory )
+{
+ extern Hop_Obj_t * Kit_CoverToHop( Hop_Man_t * pMan, Vec_Int_t * vCover, int nVars, Vec_Int_t * vMemory );
+ Ntl_Net_t * pFaninNet;
+ Nwk_Obj_t * pNode;
+ int i;
+ if ( pNet->fMark )
+ return pNet->pCopy;
+ pNet->fMark = 1;
+ pNode = Nwk_ManCreateNode( pNtk, Ntl_ObjFaninNum(pNet->pDriver), (int)pNet->pCopy );
+ Ntl_ObjForEachFanin( pNet->pDriver, pFaninNet, i )
+ {
+ Ntl_ManExtractNwk_rec( p, pFaninNet, pNtk, vCover, vMemory );
+ Nwk_ObjAddFanin( pNode, pFaninNet->pCopy );
+ }
+ if ( Ntl_ObjFaninNum(pNet->pDriver) == 0 )
+ pNode->pFunc = Hop_NotCond( Hop_ManConst1(pNtk->pManHop), Ntl_SopIsConst0(pNet->pDriver->pSop) );
+ else
+ {
+ Ntl_SopToIsop( pNet->pDriver->pSop, vCover );
+ pNode->pFunc = Kit_CoverToHop( pNtk->pManHop, vCover, Ntl_ObjFaninNum(pNet->pDriver), vMemory );
+ }
+ return pNet->pCopy = pNode;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Extracts logic newtork out of the netlist.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Nwk_Man_t * Ntl_ManExtractNwk( Ntl_Man_t * p, Aig_Man_t * pAig )
+{
+ Nwk_Man_t * pNtk;
+ Nwk_Obj_t * pNode;
+ Ntl_Mod_t * pRoot;
+ Ntl_Net_t * pNet;
+ Ntl_Obj_t * pObj;
+ Aig_Obj_t * pAnd;
+ Vec_Int_t * vCover, * vMemory;
+ int i, k;
+ pRoot = Ntl_ManRootModel( p );
+ assert( Ntl_ModelBoxNum(pRoot) == 0 );
+ assert( Ntl_ModelLatchNum(pRoot) == 0 );
+ assert( Ntl_ModelPiNum(pRoot) == Aig_ManPiNum(pAig) );
+ assert( Ntl_ModelPoNum(pRoot) == Aig_ManPoNum(pAig) );
+ vCover = Vec_IntAlloc( 100 );
+ vMemory = Vec_IntAlloc( 1 << 16 );
+ // count the number of fanouts of each net
+ Ntl_ModelForEachNet( pRoot, pNet, i )
+ {
+ pNet->pCopy = NULL;
+ pNet->fMark = 0;
+ }
+ Ntl_ModelForEachObj( pRoot, pObj, i )
+ Ntl_ObjForEachFanin( pObj, pNet, k )
+ Ntl_NetIncrementRefs( pNet );
+ // construct the network
+ pNtk = Nwk_ManAlloc();
+ pNtk->pName = Aig_UtilStrsav( pAig->pName );
+ pNtk->pSpec = Aig_UtilStrsav( pAig->pSpec );
+ Aig_ManSetPioNumbers( pAig );
+ Aig_ManForEachObj( pAig, pAnd, i )
+ {
+ if ( Aig_ObjIsPi(pAnd) )
+ {
+ pObj = Ntl_ModelPi( pRoot, Aig_ObjPioNum(pAnd) );
+ pNet = Ntl_ObjFanout0(pObj);
+ pNet->fMark = 1;
+ pNet->pCopy = Nwk_ManCreateCi( pNtk, (int)pNet->pCopy );
+ }
+ else if ( Aig_ObjIsPo(pAnd) )
+ {
+ pObj = Ntl_ModelPo( pRoot, Aig_ObjPioNum(pAnd) );
+ pNet = Ntl_ObjFanin0(pObj);
+ pNet->pCopy = Ntl_ManExtractNwk_rec( p, pNet, pNtk, vCover, vMemory );
+ pNode = Nwk_ManCreateCo( pNtk );
+ pNode->fCompl = pNet->fCompl;
+ Nwk_ObjAddFanin( pNode, pNet->pCopy );
+ }
+ }
+ Aig_ManCleanPioNumbers( pAig );
+ Ntl_ModelForEachNet( pRoot, pNet, i )
+ {
+ pNet->pCopy = NULL;
+ pNet->fMark = 0;
+ }
+ Vec_IntFree( vCover );
+ Vec_IntFree( vMemory );
+ // create timing manager from the current design
+ return pNtk;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Extracts logic newtork out of the netlist.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Nwk_Man_t * Ntl_ManReadNwk( char * pFileName, Aig_Man_t * pAig, Tim_Man_t * pManTime )
+{
+ Nwk_Man_t * pNtk;
+ Ntl_Man_t * pNtl;
+ Ntl_Mod_t * pRoot;
+ pNtl = Ioa_ReadBlif( pFileName, 1 );
+ if ( pNtl == NULL )
+ {
+ printf( "Ntl_ManReadNwk(): Reading BLIF has failed.\n" );
+ return NULL;
+ }
+ pRoot = Ntl_ManRootModel( pNtl );
+ if ( Ntl_ModelPiNum(pRoot) != Aig_ManPiNum(pAig) )
+ {
+ printf( "Ntl_ManReadNwk(): The number of primary inputs does not match (%d and %d).\n",
+ Ntl_ModelPiNum(pRoot), Aig_ManPiNum(pAig) );
+ return NULL;
+ }
+ if ( Ntl_ModelPoNum(pRoot) != Aig_ManPoNum(pAig) )
+ {
+ printf( "Ntl_ManReadNwk(): The number of primary outputs does not match (%d and %d).\n",
+ Ntl_ModelPoNum(pRoot), Aig_ManPoNum(pAig) );
+ return NULL;
+ }
+ pNtk = Ntl_ManExtractNwk( pNtl, pAig );
+ Ntl_ManFree( pNtl );
+ if ( pManTime )
+ pNtk->pManTime = Tim_ManDup( pManTime, 0 );
+ return pNtk;
+}
+
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
diff --git a/src/aig/ntl/ntlFraig.c b/src/aig/ntl/ntlFraig.c
new file mode 100644
index 00000000..7153f081
--- /dev/null
+++ b/src/aig/ntl/ntlFraig.c
@@ -0,0 +1,156 @@
+/**CFile****************************************************************
+
+ FileName [ntlFraig.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Netlist representation.]
+
+ Synopsis [Performing fraiging with white-boxes.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: ntlFraig.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "ntl.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Returns AIG with WB after fraiging.]
+
+ Description [pAig points to the nodes of pNew derived using it.
+ pNew points to the nodes of pAigCol derived using it.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Obj_t ** Ntl_ManFraigDeriveClasses( Aig_Man_t * pAig, Ntl_Man_t * pNew, Aig_Man_t * pAigCol )
+{
+ Ntl_Net_t * pNet;
+ Aig_Obj_t ** pReprs = NULL, ** pMapBack = NULL;
+ Aig_Obj_t * pObj, * pObjCol, * pObjColRepr, * pCorresp;
+ int i;
+
+ // map the AIG managers
+ Aig_ManForEachObj( pAig, pObj, i )
+ if ( Aig_ObjIsConst1(pObj) )
+ pObj->pData = Aig_ManConst1(pAigCol);
+ else if ( !Aig_ObjIsPo(pObj) )
+ {
+ pNet = pObj->pData;
+ pObjCol = Aig_Regular(pNet->pCopy);
+ pObj->pData = pObjCol;
+ }
+
+ // create mapping from the collapsed manager into the original manager
+ pMapBack = ALLOC( Aig_Obj_t *, Aig_ManObjNumMax(pAigCol) );
+ memset( pMapBack, 0, sizeof(Aig_Obj_t *) * Aig_ManObjNumMax(pAigCol) );
+ Aig_ManForEachObj( pAig, pObj, i )
+ {
+ if ( Aig_ObjIsPo(pObj) )
+ continue;
+ pObjCol = pObj->pData;
+ if ( pMapBack[pObjCol->Id] == NULL )
+ pMapBack[pObjCol->Id] = pObj;
+ }
+
+ // create the equivalence classes for the original manager
+ pReprs = ALLOC( Aig_Obj_t *, Aig_ManObjNumMax(pAig) );
+ memset( pReprs, 0, sizeof(Aig_Obj_t *) * Aig_ManObjNumMax(pAig) );
+ Aig_ManForEachObj( pAig, pObj, i )
+ {
+ if ( Aig_ObjIsPo(pObj) )
+ continue;
+ // get the collapsed node
+ pObjCol = pObj->pData;
+ // get the representative of the collapsed node
+ pObjColRepr = pAigCol->pReprs[pObjCol->Id];
+ if ( pObjColRepr == NULL )
+ pObjColRepr = pObjCol;
+ // get the corresponding original node
+ pCorresp = pMapBack[pObjColRepr->Id];
+ if ( pCorresp == NULL || pCorresp == pObj )
+ continue;
+ // set the representative
+ if ( pCorresp->Id < pObj->Id )
+ pReprs[pObj->Id] = pCorresp;
+ else
+ pReprs[pCorresp->Id] = pObj;
+ }
+ free( pMapBack );
+ return pReprs;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Returns AIG with WB after fraiging.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Aig_Man_t * Ntl_ManFraig( Ntl_Man_t * p, Aig_Man_t * pAig, int nPartSize, int nConfLimit, int nLevelMax, int fVerbose )
+{
+ Ntl_Man_t * pNew;
+ Aig_Man_t * pAigCol, * pTemp;
+ assert( pAig->pReprs == NULL );
+
+ // create a new netlist whose nodes are in 1-to-1 relationship with AIG
+ pNew = Ntl_ManDup( p );
+ if ( !Ntl_ManInsertAig( pNew, pAig ) )
+ {
+ Ntl_ManFree( pNew );
+ printf( "Ntk_ManFraig(): Inserting AIG has failed.\n" );
+ return NULL;
+ }
+
+ // collapse the AIG
+ pAigCol = Ntl_ManCollapse( pNew );
+ // perform fraiging for the given design
+ if ( nPartSize == 0 )
+ nPartSize = Aig_ManPoNum(pAigCol);
+ pTemp = Aig_ManFraigPartitioned( pAigCol, nPartSize, nConfLimit, nLevelMax, fVerbose );
+ Aig_ManStop( pTemp );
+
+ // transfer equivalence classes to the original AIG
+ pAig->pReprs = Ntl_ManFraigDeriveClasses( pAig, pNew, pAigCol );
+ pAig->nReprsAlloc = Aig_ManObjNumMax(pAig);
+ // cleanup
+ Aig_ManStop( pAigCol );
+ Ntl_ManFree( pNew );
+
+ // derive the new AIG
+ pTemp = Aig_ManDupRepresDfs( pAig );
+ // duplicate the timing manager
+ if ( pAig->pManTime )
+ pTemp->pManTime = Tim_ManDup( pAig->pManTime, 0 );
+ // reset levels
+ Aig_ManChoiceLevel( pTemp );
+ return pTemp;
+}
+
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+
diff --git a/src/aig/ntl/ntlInsert.c b/src/aig/ntl/ntlInsert.c
index f02b4716..10b83660 100644
--- a/src/aig/ntl/ntlInsert.c
+++ b/src/aig/ntl/ntlInsert.c
@@ -59,6 +59,7 @@ int Ntl_ManInsert( Ntl_Man_t * p, Vec_Ptr_t * vMapping, Aig_Man_t * pAig )
pRoot = Ntl_ManRootModel( p );
Ntl_ModelForEachNode( pRoot, pNode, i )
Vec_PtrWriteEntry( pRoot->vObjs, pNode->Id, NULL );
+ pRoot->nObjs[NTL_OBJ_NODE] = 0;
// start mapping of AIG nodes into their copies
vCopies = Vec_PtrStart( Aig_ManObjNumMax(pAig) );
Ntl_ManForEachCiNet( p, pNet, i )
@@ -134,6 +135,122 @@ int Ntl_ManInsert( Ntl_Man_t * p, Vec_Ptr_t * vMapping, Aig_Man_t * pAig )
SeeAlso []
***********************************************************************/
+int Ntl_ManInsertAig( Ntl_Man_t * p, Aig_Man_t * pAig )
+{
+ char Buffer[100];
+ Ntl_Mod_t * pRoot;
+ Ntl_Obj_t * pNode;
+ Ntl_Net_t * pNet, * pNetCo;
+ Aig_Obj_t * pObj, * pFanin;
+ int i, nDigits, Counter;
+ assert( Vec_PtrSize(p->vCis) == Aig_ManPiNum(pAig) );
+ assert( Vec_PtrSize(p->vCos) == Aig_ManPoNum(pAig) );
+ // set the correspondence between the PI/PO nodes
+ Aig_ManCleanData( pAig );
+ Ntl_ManForEachCiNet( p, pNet, i )
+ Aig_ManPi( pAig, i )->pData = pNet;
+// Ntl_ManForEachCoNet( p, pNet, i )
+// Nwk_ManCo( pNtk, i )->pCopy = pNet;
+ // remove old nodes
+ pRoot = Ntl_ManRootModel( p );
+ Ntl_ModelForEachNode( pRoot, pNode, i )
+ Vec_PtrWriteEntry( pRoot->vObjs, pNode->Id, NULL );
+ pRoot->nObjs[NTL_OBJ_NODE] = 0;
+ // create constant node if needed
+ if ( Aig_ManConst1(pAig)->nRefs > 0 )
+ {
+ pNode = Ntl_ModelCreateNode( pRoot, 0 );
+ pNode->pSop = Ntl_ManStoreSop( p, " 1\n" );
+ if ( (pNet = Ntl_ModelFindNet( pRoot, "Const1" )) )
+ {
+ printf( "Ntl_ManInsertAig(): Internal error: Intermediate net name is not unique.\n" );
+ return 0;
+ }
+ pNet = Ntl_ModelFindOrCreateNet( pRoot, "Const1" );
+ if ( !Ntl_ModelSetNetDriver( pNode, pNet ) )
+ {
+ printf( "Ntl_ManInsertAig(): Internal error: Net has more than one fanin.\n" );
+ return 0;
+ }
+ Aig_ManConst1(pAig)->pData = pNet;
+ }
+ // create a new node for each LUT
+ Counter = 0;
+ nDigits = Aig_Base10Log( Aig_ManNodeNum(pAig) );
+ Aig_ManForEachObj( pAig, pObj, i )
+ {
+ if ( !Aig_ObjIsNode(pObj) )
+ continue;
+ if ( Aig_ObjFanin0(pObj)->pData == NULL || Aig_ObjFanin1(pObj)->pData == NULL )
+ {
+ printf( "Ntl_ManInsertAig(): Internal error: Net not found.\n" );
+ return 0;
+ }
+ pNode = Ntl_ModelCreateNode( pRoot, 2 );
+ Ntl_ObjSetFanin( pNode, Aig_ObjFanin0(pObj)->pData, 0 );
+ Ntl_ObjSetFanin( pNode, Aig_ObjFanin1(pObj)->pData, 1 );
+ if ( Aig_ObjFaninC0(pObj) && Aig_ObjFaninC1(pObj) )
+ pNode->pSop = Ntl_ManStoreSop( p, "00 1\n" );
+ else if ( Aig_ObjFaninC0(pObj) && !Aig_ObjFaninC1(pObj) )
+ pNode->pSop = Ntl_ManStoreSop( p, "01 1\n" );
+ else if ( !Aig_ObjFaninC0(pObj) && Aig_ObjFaninC1(pObj) )
+ pNode->pSop = Ntl_ManStoreSop( p, "10 1\n" );
+ else // if ( Aig_ObjFaninC0(pObj) && Aig_ObjFaninC1(pObj) )
+ pNode->pSop = Ntl_ManStoreSop( p, "11 1\n" );
+ sprintf( Buffer, "and%0*d", nDigits, Counter++ );
+ if ( (pNet = Ntl_ModelFindNet( pRoot, Buffer )) )
+ {
+ printf( "Ntl_ManInsertAig(): Internal error: Intermediate net name is not unique.\n" );
+ return 0;
+ }
+ pNet = Ntl_ModelFindOrCreateNet( pRoot, Buffer );
+ if ( !Ntl_ModelSetNetDriver( pNode, pNet ) )
+ {
+ printf( "Ntl_ManInsertAig(): Internal error: Net has more than one fanin.\n" );
+ return 0;
+ }
+ pObj->pData = pNet;
+ }
+ // mark CIs and outputs of the registers
+ Ntl_ManForEachCiNet( p, pNetCo, i )
+ pNetCo->nVisits = 101;
+ // update the CO pointers
+ Ntl_ManForEachCoNet( p, pNetCo, i )
+ {
+ if ( pNetCo->nVisits == 101 )
+ continue;
+ pNetCo->nVisits = 101;
+ // get the corresponding PO and its driver
+ pObj = Aig_ManPo( pAig, i );
+ pFanin = Aig_ObjFanin0( pObj );
+ // get the net driving the driver
+ pNet = pFanin->pData;
+ pNode = Ntl_ModelCreateNode( pRoot, 1 );
+ pNode->pSop = Aig_ObjFaninC0(pObj)? Ntl_ManStoreSop( p, "0 1\n" ) : Ntl_ManStoreSop( p, "1 1\n" );
+ Ntl_ObjSetFanin( pNode, pNet, 0 );
+ // update the CO driver net
+ pNetCo->pDriver = NULL;
+ if ( !Ntl_ModelSetNetDriver( pNode, pNetCo ) )
+ {
+ printf( "Ntl_ManInsert(): Internal error: PO net has more than one fanin.\n" );
+ return 0;
+ }
+ }
+ return 1;
+}
+
+
+/**Function*************************************************************
+
+ Synopsis [Inserts the given mapping into the netlist.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
int Ntl_ManInsertNtk( Ntl_Man_t * p, Nwk_Man_t * pNtk )
{
char Buffer[100];
@@ -157,6 +274,7 @@ int Ntl_ManInsertNtk( Ntl_Man_t * p, Nwk_Man_t * pNtk )
pRoot = Ntl_ManRootModel( p );
Ntl_ModelForEachNode( pRoot, pNode, i )
Vec_PtrWriteEntry( pRoot->vObjs, pNode->Id, NULL );
+ pRoot->nObjs[NTL_OBJ_NODE] = 0;
// create a new node for each LUT
vTruth = Vec_IntAlloc( 1 << 16 );
vCover = Vec_IntAlloc( 1 << 16 );
diff --git a/src/aig/ntl/ntlMan.c b/src/aig/ntl/ntlMan.c
index 82660263..83219df7 100644
--- a/src/aig/ntl/ntlMan.c
+++ b/src/aig/ntl/ntlMan.c
@@ -267,6 +267,9 @@ Ntl_Mod_t * Ntl_ModelDup( Ntl_Man_t * pManNew, Ntl_Mod_t * pModelOld )
if ( Ntl_ObjIsNode(pObj) )
((Ntl_Obj_t *)pObj->pCopy)->pSop = Ntl_ManStoreSop( pManNew, pObj->pSop );
}
+ pModelNew->vDelays = pModelOld->vDelays? Vec_IntDup( pModelOld->vDelays ) : NULL;
+ pModelNew->vArrivals = pModelOld->vArrivals? Vec_IntDup( pModelOld->vArrivals ) : NULL;
+ pModelNew->vRequireds = pModelOld->vRequireds? Vec_IntDup( pModelOld->vRequireds ) : NULL;
return pModelNew;
}
diff --git a/src/aig/ntl/ntlReadBlif.c b/src/aig/ntl/ntlReadBlif.c
index 2cf3caaa..ce3a2051 100644
--- a/src/aig/ntl/ntlReadBlif.c
+++ b/src/aig/ntl/ntlReadBlif.c
@@ -109,6 +109,7 @@ Ntl_Man_t * Ioa_ReadBlif( char * pFileName, int fCheck )
FILE * pFile;
Ioa_ReadMan_t * p;
Ntl_Man_t * pDesign;
+ int nNodes;
// check that the file is available
pFile = fopen( pFileName, "rb" );
@@ -164,6 +165,9 @@ Ntl_Man_t * Ioa_ReadBlif( char * pFileName, int fCheck )
}
}
+ // transform the design by removing the CO drivers
+ if ( (nNodes = Ntl_ManTransformCoDrivers(pDesign)) )
+ printf( "The design was transformed by removing %d buf/inv CO drivers.\n", nNodes );
//Ioa_WriteBlif( pDesign, "_temp_.blif" );
return pDesign;
}
@@ -614,6 +618,11 @@ static Ntl_Man_t * Ioa_ReadParse( Ioa_ReadMan_t * p )
// finalize the network
Ntl_ModelFixNonDrivenNets( pMod->pNtk );
}
+ if ( i == 0 )
+ return NULL;
+ // update the design name
+ pMod = Vec_PtrEntry( p->vModels, 0 );
+ p->pDesign->pName = Ntl_ManStoreName( p->pDesign, pMod->pNtk->pName );
// return the network
pDesign = p->pDesign;
p->pDesign = NULL;
diff --git a/src/aig/ntl/ntlTable.c b/src/aig/ntl/ntlTable.c
index 909a64fd..df982481 100644
--- a/src/aig/ntl/ntlTable.c
+++ b/src/aig/ntl/ntlTable.c
@@ -134,6 +134,35 @@ Ntl_Net_t * Ntl_ModelFindNet( Ntl_Mod_t * p, char * pName )
SeeAlso []
***********************************************************************/
+void Ntl_ModelDeleteNet( Ntl_Mod_t * p, Ntl_Net_t * pNet )
+{
+ Ntl_Net_t * pEnt, * pPrev;
+ unsigned Key = Ntl_HashString( pNet->pName, p->nTableSize );
+ for ( pPrev = NULL, pEnt = p->pTable[Key]; pEnt; pPrev = pEnt, pEnt = pEnt->pNext )
+ if ( pEnt == pNet )
+ break;
+ if ( pEnt == NULL )
+ {
+ printf( "Ntl_ModelDeleteNet(): Net to be deleted is not found in the hash table.\n" );
+ return;
+ }
+ if ( pPrev == NULL )
+ p->pTable[Key] = pEnt->pNext;
+ else
+ pPrev->pNext = pEnt->pNext;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Finds or creates the net.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
Ntl_Net_t * Ntl_ModelFindOrCreateNet( Ntl_Mod_t * p, char * pName )
{
Ntl_Net_t * pEnt;
diff --git a/src/aig/ntl/ntlUtil.c b/src/aig/ntl/ntlUtil.c
new file mode 100644
index 00000000..b13dd3a7
--- /dev/null
+++ b/src/aig/ntl/ntlUtil.c
@@ -0,0 +1,165 @@
+/**CFile****************************************************************
+
+ FileName [ntlUtil.c]
+
+ SystemName [ABC: Logic synthesis and verification system.]
+
+ PackageName [Netlist representation.]
+
+ Synopsis [Various utilities.]
+
+ Author [Alan Mishchenko]
+
+ Affiliation [UC Berkeley]
+
+ Date [Ver. 1.0. Started - June 20, 2005.]
+
+ Revision [$Id: ntlUtil.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "ntl.h"
+
+////////////////////////////////////////////////////////////////////////
+/// DECLARATIONS ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+/// FUNCTION DEFINITIONS ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+ Synopsis [Returns 1 if netlist was written by ABC with added bufs/invs.]
+
+ Description [Should be called immediately after reading from file.]
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Ntl_ManTransformCoDrivers( Ntl_Man_t * p )
+{
+ Vec_Ptr_t * vCoNets;
+ Ntl_Net_t * pNetCo, * pNetFanin;
+ Ntl_Obj_t * pObj;
+ Ntl_Mod_t * pRoot;
+ int i, k, Counter;
+ pRoot = Ntl_ManRootModel( p );
+ // collect the nets of the root model
+ vCoNets = Vec_PtrAlloc( 1000 );
+ Ntl_ModelForEachPo( pRoot, pObj, i )
+ if ( !Ntl_ObjFanin0(pObj)->fMark )
+ {
+ Ntl_ObjFanin0(pObj)->fMark = 1;
+ Vec_PtrPush( vCoNets, Ntl_ObjFanin0(pObj) );
+ }
+ Ntl_ModelForEachLatch( pRoot, pObj, i )
+ if ( !Ntl_ObjFanin0(pObj)->fMark )
+ {
+ Ntl_ObjFanin0(pObj)->fMark = 1;
+ Vec_PtrPush( vCoNets, Ntl_ObjFanin0(pObj) );
+ }
+ Ntl_ModelForEachBox( pRoot, pObj, k )
+ Ntl_ObjForEachFanin( pObj, pNetCo, i )
+ if ( !pNetCo->fMark )
+ {
+ pNetCo->fMark = 1;
+ Vec_PtrPush( vCoNets, pNetCo );
+ }
+ // check the nets
+ Vec_PtrForEachEntry( vCoNets, pNetCo, i )
+ {
+ if ( !Ntl_ObjIsNode(pNetCo->pDriver) )
+ continue;
+ if ( Ntl_ObjFaninNum(pNetCo->pDriver) != 1 )
+ break;
+ pNetFanin = Ntl_ObjFanin0(pNetCo->pDriver);
+ if ( !Ntl_ObjIsNode(pNetFanin->pDriver) )
+ break;
+ }
+ if ( i < Vec_PtrSize(vCoNets) )
+ {
+ Vec_PtrFree( vCoNets );
+ return 0;
+ }
+
+
+ // remove the buffers/inverters
+ Counter = 0;
+ Vec_PtrForEachEntry( vCoNets, pNetCo, i )
+ {
+ pNetCo->fMark = 0;
+ if ( !Ntl_ObjIsNode(pNetCo->pDriver) )
+ continue;
+ // if this net is driven by an interver
+ // set the complemented attribute of the CO
+ assert( Ntl_ObjFaninNum(pNetCo->pDriver) == 1 );
+ pNetCo->fCompl = (int)(pNetCo->pDriver->pSop[0] == '0');
+ // remove the driver
+ Vec_PtrWriteEntry( pRoot->vObjs, pNetCo->pDriver->Id, NULL );
+ // remove the net
+ pNetFanin = Ntl_ObjFanin0(pNetCo->pDriver);
+ Ntl_ModelDeleteNet( pRoot, pNetFanin );
+ // make the CO net point to the new driver
+ assert( Ntl_ObjIsNode(pNetFanin->pDriver) );
+ pNetCo->pDriver = NULL;
+ pNetFanin->pDriver->pFanio[pNetFanin->pDriver->nFanins] = NULL;
+ Ntl_ModelSetNetDriver( pNetFanin->pDriver, pNetCo );
+ Counter++;
+ }
+ Vec_PtrFree( vCoNets );
+ pRoot->nObjs[NTL_OBJ_NODE] -= Counter;
+ return Counter;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Derives the array of CI names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Vec_Ptr_t * Ntl_ManCollectCiNames( Ntl_Man_t * p )
+{
+ Vec_Ptr_t * vNames;
+ Ntl_Net_t * pNet;
+ int i;
+ vNames = Vec_PtrAlloc( 1000 );
+ Ntl_ManForEachCiNet( p, pNet, i )
+ Vec_PtrPush( vNames, pNet->pName );
+ return vNames;
+}
+
+/**Function*************************************************************
+
+ Synopsis [Derives the array of CI names.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+Vec_Ptr_t * Ntl_ManCollectCoNames( Ntl_Man_t * p )
+{
+ Vec_Ptr_t * vNames;
+ Ntl_Net_t * pNet;
+ int i;
+ vNames = Vec_PtrAlloc( 1000 );
+ Ntl_ManForEachCoNet( p, pNet, i )
+ Vec_PtrPush( vNames, pNet->pName );
+ return vNames;
+}
+
+////////////////////////////////////////////////////////////////////////
+/// END OF FILE ///
+////////////////////////////////////////////////////////////////////////
+
+
diff --git a/src/aig/ntl/ntlWriteBlif.c b/src/aig/ntl/ntlWriteBlif.c
index 8bcd2044..fddd4167 100644
--- a/src/aig/ntl/ntlWriteBlif.c
+++ b/src/aig/ntl/ntlWriteBlif.c
@@ -44,6 +44,7 @@ void Ioa_WriteBlifModel( FILE * pFile, Ntl_Mod_t * pModel )
{
Ntl_Obj_t * pObj;
Ntl_Net_t * pNet;
+ float Delay;
int i, k;
fprintf( pFile, ".model %s\n", pModel->pName );
fprintf( pFile, ".inputs" );
@@ -54,6 +55,51 @@ void Ioa_WriteBlifModel( FILE * pFile, Ntl_Mod_t * pModel )
Ntl_ModelForEachPo( pModel, pObj, i )
fprintf( pFile, " %s", Ntl_ObjFanin0(pObj)->pName );
fprintf( pFile, "\n" );
+ // write delays
+ if ( pModel->vDelays )
+ {
+ for ( i = 0; i < Vec_IntSize(pModel->vDelays); i += 3 )
+ {
+ fprintf( pFile, ".delay" );
+ fprintf( pFile, " %s", Ntl_ObjFanout0(Ntl_ModelPi(pModel, Vec_IntEntry(pModel->vDelays,i)))->pName );
+ fprintf( pFile, " %s", Ntl_ObjFanin0(Ntl_ModelPo(pModel, Vec_IntEntry(pModel->vDelays,i+1)))->pName );
+ fprintf( pFile, " %.3f", Aig_Int2Float(Vec_IntEntry(pModel->vDelays,i+2)) );
+ fprintf( pFile, "\n" );
+ }
+ }
+ if ( pModel->vArrivals )
+ {
+ for ( i = 0; i < Vec_IntSize(pModel->vArrivals); i += 2 )
+ {
+ fprintf( pFile, ".input_arrival" );
+ fprintf( pFile, " %s", Ntl_ObjFanout0(Ntl_ModelPi(pModel, Vec_IntEntry(pModel->vArrivals,i)))->pName );
+ Delay = Aig_Int2Float(Vec_IntEntry(pModel->vArrivals,i+1));
+ if ( Delay == -TIM_ETERNITY )
+ fprintf( pFile, " -inf" );
+ else if ( Delay == TIM_ETERNITY )
+ fprintf( pFile, " inf" );
+ else
+ fprintf( pFile, " %.3f", Delay );
+ fprintf( pFile, "\n" );
+ }
+ }
+ if ( pModel->vRequireds )
+ {
+ for ( i = 0; i < Vec_IntSize(pModel->vRequireds); i += 2 )
+ {
+ fprintf( pFile, ".output_required" );
+ fprintf( pFile, " %s", Ntl_ObjFanin0(Ntl_ModelPo(pModel, Vec_IntEntry(pModel->vRequireds,i)))->pName );
+ Delay = Aig_Int2Float(Vec_IntEntry(pModel->vRequireds,i+1));
+ if ( Delay == -TIM_ETERNITY )
+ fprintf( pFile, " -inf" );
+ else if ( Delay == TIM_ETERNITY )
+ fprintf( pFile, " inf" );
+ else
+ fprintf( pFile, " %.3f", Delay );
+ fprintf( pFile, "\n" );
+ }
+ }
+ // write objects
Ntl_ModelForEachObj( pModel, pObj, i )
{
if ( Ntl_ObjIsNode(pObj) )
diff --git a/src/aig/nwk/nwk.h b/src/aig/nwk/nwk.h
index eafc1bbf..4c99c3a9 100644
--- a/src/aig/nwk/nwk.h
+++ b/src/aig/nwk/nwk.h
@@ -252,6 +252,7 @@ extern int Nwk_ManGetAigNodeNum( Nwk_Man_t * pNtk );
extern int Nwk_NodeCompareLevelsIncrease( Nwk_Obj_t ** pp1, Nwk_Obj_t ** pp2 );
extern int Nwk_NodeCompareLevelsDecrease( Nwk_Obj_t ** pp1, Nwk_Obj_t ** pp2 );
extern void Nwk_ObjPrint( Nwk_Obj_t * pObj );
+extern void Nwk_ManDumpBlif( Nwk_Man_t * pNtk, char * pFileName, Vec_Ptr_t * vCiNames, Vec_Ptr_t * vCoNames );
#ifdef __cplusplus
}
diff --git a/src/aig/nwk/nwkMan.c b/src/aig/nwk/nwkMan.c
index 2d0254f2..9c2c5ed8 100644
--- a/src/aig/nwk/nwkMan.c
+++ b/src/aig/nwk/nwkMan.c
@@ -91,6 +91,29 @@ void Nwk_ManFree( Nwk_Man_t * p )
SeeAlso []
***********************************************************************/
+void Nwk_ManPrintLutSizes( Nwk_Man_t * p, If_Lib_t * pLutLib )
+{
+ Nwk_Obj_t * pObj;
+ int i, Counters[256] = {0};
+ Nwk_ManForEachNode( p, pObj, i )
+ Counters[Nwk_ObjFaninNum(pObj)]++;
+ printf( "LUTs by size: " );
+ for ( i = 0; i <= pLutLib->LutMax; i++ )
+ printf( "%d:%d ", i, Counters[i] );
+ printf( "\n" );
+}
+
+/**Function*************************************************************
+
+ Synopsis [Prints stats of the manager.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
void Nwk_ManPrintStats( Nwk_Man_t * p, If_Lib_t * pLutLib )
{
p->pLutLib = pLutLib;
@@ -104,7 +127,8 @@ void Nwk_ManPrintStats( Nwk_Man_t * p, If_Lib_t * pLutLib )
printf( "aig = %6d ", Nwk_ManGetAigNodeNum(p) );
printf( "lev = %3d ", Nwk_ManLevel(p) );
// printf( "lev2 = %3d ", Nwk_ManLevelBackup(p) );
- printf( "delay = %5.2f", Nwk_ManDelayTraceLut(p) );
+ printf( "delay = %5.2f ", Nwk_ManDelayTraceLut(p) );
+ Nwk_ManPrintLutSizes( p, pLutLib );
printf( "\n" );
// Nwk_ManDelayTracePrint( p, pLutLib );
fflush( stdout );
diff --git a/src/aig/nwk/nwkMap.c b/src/aig/nwk/nwkMap.c
index acbfbc0a..6c1e1330 100644
--- a/src/aig/nwk/nwkMap.c
+++ b/src/aig/nwk/nwkMap.c
@@ -134,7 +134,7 @@ If_Man_t * Nwk_ManToIf( Aig_Man_t * p, If_Par_t * pPars, Vec_Ptr_t * vAigToIf )
if ( Aig_ObjIsChoice( p, pNode ) )
{
pIfMan->nChoices++;
- for ( pPrev = pNode, pFanin = p->pEquivs[pNode->Id]; pFanin; pPrev = pFanin, pFanin = p->pEquivs[pFanin->Id] )
+ for ( pPrev = pNode, pFanin = Aig_ObjEquiv(p, pNode); pFanin; pPrev = pFanin, pFanin = Aig_ObjEquiv(p, pFanin) )
If_ObjSetChoice( pPrev->pData, pFanin->pData );
If_ManCreateChoice( pIfMan, pNode->pData );
}
diff --git a/src/aig/nwk/nwkSpeedup.c b/src/aig/nwk/nwkSpeedup.c
index 80404a44..b7802f72 100644
--- a/src/aig/nwk/nwkSpeedup.c
+++ b/src/aig/nwk/nwkSpeedup.c
@@ -137,7 +137,7 @@ void Aig_ManSpeedupNode( Nwk_Man_t * pNtk, Aig_Man_t * pAig, Nwk_Obj_t * pNode,
// create choice node
pAnd = Aig_Regular(pNode->pCopy); // repr
pTemp = Aig_Regular(ppCofs[0]); // new
- if ( pAig->pEquivs[pAnd->Id] == NULL && pAig->pEquivs[pTemp->Id] == NULL && !Aig_ObjCheckTfi(pAig, pTemp, pAnd) )
+ if ( Aig_ObjEquiv(pAig, pAnd) == NULL && Aig_ObjEquiv(pAig, pTemp) == NULL && !Aig_ObjCheckTfi(pAig, pTemp, pAnd) )
pAig->pEquivs[pAnd->Id] = pTemp;
}
@@ -339,9 +339,9 @@ Aig_Man_t * Nwk_ManSpeedup( Nwk_Man_t * pNtk, int fUseLutLib, int Percentage, in
// remove invalid choice nodes
Aig_ManForEachNode( pAig, pAnd, i )
- if ( pAig->pEquivs[pAnd->Id] )
+ if ( Aig_ObjEquiv(pAig, pAnd) )
{
- if ( Aig_ObjRefs(pAig->pEquivs[pAnd->Id]) > 0 )
+ if ( Aig_ObjRefs(Aig_ObjEquiv(pAig, pAnd)) > 0 )
pAig->pEquivs[pAnd->Id] = NULL;
}
diff --git a/src/aig/nwk/nwkUtil.c b/src/aig/nwk/nwkUtil.c
index b25fd68a..5fb594ec 100644
--- a/src/aig/nwk/nwkUtil.c
+++ b/src/aig/nwk/nwkUtil.c
@@ -238,6 +238,21 @@ void Nwk_ObjPrint( Nwk_Obj_t * pObj )
printf( "\n" );
}
+/**Function*************************************************************
+
+ Synopsis [Deletes the node.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Nwk_ManDumpBlif( Nwk_Man_t * pNtk, char * pFileName, Vec_Ptr_t * vCiNames, Vec_Ptr_t * vCoNames )
+{
+ printf( "Dumping logic network is currently not supported.\n" );
+}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
diff --git a/src/base/abc/abcObj.c b/src/base/abc/abcObj.c
index 7a995c71..79bf41a1 100644
--- a/src/base/abc/abcObj.c
+++ b/src/base/abc/abcObj.c
@@ -72,8 +72,8 @@ void Abc_ObjRecycle( Abc_Obj_t * pObj )
Abc_Ntk_t * pNtk = pObj->pNtk;
int LargePiece = (4 << ABC_NUM_STEPS);
// free large fanout arrays
- if ( pNtk->pMmStep && pObj->vFanouts.nCap * 4 > LargePiece )
- FREE( pObj->vFanouts.pArray );
+// if ( pNtk->pMmStep && pObj->vFanouts.nCap * 4 > LargePiece )
+// FREE( pObj->vFanouts.pArray );
if ( pNtk->pMmStep == NULL )
{
FREE( pObj->vFanouts.pArray );
diff --git a/src/base/abc/abcSop.c b/src/base/abc/abcSop.c
index dc3595c1..b2d6b649 100644
--- a/src/base/abc/abcSop.c
+++ b/src/base/abc/abcSop.c
@@ -439,6 +439,41 @@ char * Abc_SopCreateFromIsop( Extra_MmFlex_t * pMan, int nVars, Vec_Int_t * vCov
/**Function*************************************************************
+ Synopsis [Creates the cover from the ISOP computed from TT.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+void Abc_SopToIsop( char * pSop, Vec_Int_t * vCover )
+{
+ char * pCube;
+ int k, nVars, Entry;
+ nVars = Abc_SopGetVarNum( pSop );
+ assert( nVars > 0 );
+ // create cubes
+ Vec_IntClear( vCover );
+ for ( pCube = pSop; *pCube; pCube += nVars + 3 )
+ {
+ Entry = 0;
+ for ( k = nVars - 1; k >= 0; k-- )
+ if ( pCube[k] == '0' )
+ Entry = (Entry << 2) | 1;
+ else if ( pCube[k] == '1' )
+ Entry = (Entry << 2) | 2;
+ else if ( pCube[k] == '-' )
+ Entry = (Entry << 2);
+ else
+ assert( 0 );
+ Vec_IntPush( vCover, Entry );
+ }
+}
+
+/**Function*************************************************************
+
Synopsis [Reads the number of cubes in the cover.]
Description []
diff --git a/src/base/abci/abc.c b/src/base/abci/abc.c
index fb0a6bd6..11d0aec8 100644
--- a/src/base/abci/abc.c
+++ b/src/base/abci/abc.c
@@ -202,7 +202,9 @@ static int Abc_CommandTraceStart ( Abc_Frame_t * pAbc, int argc, char ** arg
static int Abc_CommandTraceCheck ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc8Read ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc8ReadLogic ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc8Write ( Abc_Frame_t * pAbc, int argc, char ** argv );
+static int Abc_CommandAbc8WriteLogic ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc8Ps ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc8If ( Abc_Frame_t * pAbc, int argc, char ** argv );
static int Abc_CommandAbc8DChoice ( Abc_Frame_t * pAbc, int argc, char ** argv );
@@ -438,7 +440,9 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "Verification", "enlarge", Abc_CommandEnlarge, 1 );
Cmd_CommandAdd( pAbc, "ABC8", "*r", Abc_CommandAbc8Read, 0 );
+ Cmd_CommandAdd( pAbc, "ABC8", "*rlogic", Abc_CommandAbc8ReadLogic, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*w", Abc_CommandAbc8Write, 0 );
+ Cmd_CommandAdd( pAbc, "ABC8", "*wlogic", Abc_CommandAbc8WriteLogic, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*ps", Abc_CommandAbc8Ps, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*if", Abc_CommandAbc8If, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*dchoice", Abc_CommandAbc8DChoice, 0 );
@@ -457,7 +461,7 @@ void Abc_Init( Abc_Frame_t * pAbc )
Cmd_CommandAdd( pAbc, "ABC8", "*lcorr", Abc_CommandAbc8Lcorr, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*ssw", Abc_CommandAbc8Ssw, 0 );
Cmd_CommandAdd( pAbc, "ABC8", "*dsec", Abc_CommandAbc8DSec, 0 );
-
+
// Cmd_CommandAdd( pAbc, "Verification", "trace_start", Abc_CommandTraceStart, 0 );
// Cmd_CommandAdd( pAbc, "Verification", "trace_check", Abc_CommandTraceCheck, 0 );
@@ -11007,7 +11011,7 @@ int Abc_CommandIf( Abc_Frame_t * pAbc, int argc, char ** argv )
pPars->fFancy = 0;
pPars->fExpRed = 1;
pPars->fLatchPaths = 0;
- pPars->fEdge = 0;
+ pPars->fEdge = 1;
pPars->fCutMin = 0;
pPars->fSeqMap = 0;
pPars->fBidec = 0;
@@ -14784,22 +14788,100 @@ usage:
SeeAlso []
***********************************************************************/
+int Abc_CommandAbc8ReadLogic( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+ FILE * pFile;
+ char * pFileName;
+ void * pNtkNew;
+ int c;
+ extern void * Ntl_ManReadNwk( char * pFileName, Aig_Man_t * pAig, Tim_Man_t * pManTime );
+ extern Tim_Man_t * Ntl_ManReadTimeMan( void * p );
+
+ // set defaults
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "h" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+
+ // get the input file name
+ pFileName = argv[globalUtilOptind];
+ if ( (pFile = fopen( pFileName, "r" )) == NULL )
+ {
+ fprintf( stdout, "Cannot open input file \"%s\". ", pFileName );
+ if ( pFileName = Extra_FileGetSimilarName( pFileName, ".blif", NULL, NULL, NULL, NULL ) )
+ fprintf( stdout, "Did you mean \"%s\"?", pFileName );
+ fprintf( stdout, "\n" );
+ return 1;
+ }
+ fclose( pFile );
+
+ if ( pAbc->pAbc8Ntl == NULL || pAbc->pAbc8Aig == NULL )
+ {
+ printf( "Abc_CommandAbc8ReadLogic(): There is no design or its AIG.\n" );
+ return 1;
+ }
+
+ // read the new logic
+ pNtkNew = Ntl_ManReadNwk( pFileName, pAbc->pAbc8Aig, Ntl_ManReadTimeMan(pAbc->pAbc8Ntl) );
+ if ( pNtkNew == NULL )
+ {
+ printf( "Abc_CommandAbc8ReadLogic(): Procedure has failed.\n" );
+ return 1;
+ }
+ if ( pAbc->pAbc8Nwk != NULL )
+ Nwk_ManFree( pAbc->pAbc8Nwk );
+ pAbc->pAbc8Nwk = pNtkNew;
+ return 0;
+
+usage:
+ fprintf( stdout, "usage: *rlogic [-h]\n" );
+ fprintf( stdout, "\t reads the logic part of the design without whiteboxes\n" );
+ fprintf( stdout, "\t and sets the new logic as the current mapped network\n" );
+ fprintf( stdout, "\t (the logic part should be comb and with the same PIs/POs)\n" );
+ fprintf( stdout, "\t-h : print the command usage\n");
+ return 1;
+}
+
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
int Abc_CommandAbc8Write( Abc_Frame_t * pAbc, int argc, char ** argv )
{
char * pFileName;
void * pTemp;
+ int fAig;
int c;
extern void Ioa_WriteBlif( void * p, char * pFileName );
extern int Ntl_ManInsertNtk( void * p, void * pNtk );
+ extern int Ntl_ManInsertAig( void * p, Aig_Man_t * pAig );
extern void * Ntl_ManDup( void * pOld );
extern void Ntl_ManFree( void * p );
// set defaults
+ fAig = 0;
Extra_UtilGetoptReset();
- while ( ( c = Extra_UtilGetopt( argc, argv, "h" ) ) != EOF )
+ while ( ( c = Extra_UtilGetopt( argc, argv, "ah" ) ) != EOF )
{
switch ( c )
{
+ case 'a':
+ fAig ^= 1;
+ break;
case 'h':
goto usage;
default:
@@ -14813,17 +14895,35 @@ int Abc_CommandAbc8Write( Abc_Frame_t * pAbc, int argc, char ** argv )
}
// create the design to write
pTemp = Ntl_ManDup( pAbc->pAbc8Ntl );
- if ( pAbc->pAbc8Nwk != NULL )
+ if ( fAig )
{
- if ( !Ntl_ManInsertNtk( pTemp, pAbc->pAbc8Nwk ) )
+ if ( pAbc->pAbc8Aig != NULL )
{
- printf( "Abc_CommandAbc8Write(): There is no design to write.\n" );
+ if ( !Ntl_ManInsertAig( pTemp, pAbc->pAbc8Aig ) )
+ {
+ printf( "Abc_CommandAbc8Write(): Inserting AIG has failed.\n" );
+ return 1;
+ }
+ }
+ else
+ {
+ printf( "There is no AIG to write.\n" );
return 1;
}
- printf( "Writing the mapped design.\n" );
}
- else
- printf( "Writing the original design.\n" );
+ else
+ {
+ if ( pAbc->pAbc8Nwk != NULL )
+ {
+ if ( !Ntl_ManInsertNtk( pTemp, pAbc->pAbc8Nwk ) )
+ {
+ printf( "Abc_CommandAbc8Write(): Inserting mapped network has failed.\n" );
+ return 1;
+ }
+ }
+ else
+ printf( "Writing the original design.\n" );
+ }
// get the input file name
pFileName = argv[globalUtilOptind];
Ioa_WriteBlif( pTemp, pFileName );
@@ -14831,8 +14931,87 @@ int Abc_CommandAbc8Write( Abc_Frame_t * pAbc, int argc, char ** argv )
return 0;
usage:
- fprintf( stdout, "usage: *w [-h]\n" );
+ fprintf( stdout, "usage: *w [-ah]\n" );
fprintf( stdout, "\t write the design with whiteboxes\n" );
+ fprintf( stdout, "\t-a : toggle writing mapped network or AIG [default = %s]\n", fAig? "AIG": "mapped" );
+ fprintf( stdout, "\t-h : print the command usage\n");
+ return 1;
+}
+
+/**Function*************************************************************
+
+ Synopsis []
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+int Abc_CommandAbc8WriteLogic( Abc_Frame_t * pAbc, int argc, char ** argv )
+{
+ Vec_Ptr_t * vCiNames = NULL, * vCoNames = NULL;
+ char * pFileName;
+ int fAig;
+ int c;
+ extern Vec_Ptr_t * Ntl_ManCollectCiNames( void * p );
+ extern Vec_Ptr_t * Ntl_ManCollectCoNames( void * p );
+ extern void Nwk_ManDumpBlif( void * p, char * pFileName, Vec_Ptr_t * vCiNames, Vec_Ptr_t * vCoNames );
+
+ // set defaults
+ fAig = 1;
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "ah" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'a':
+ fAig ^= 1;
+ break;
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+ if ( pAbc->pAbc8Ntl == NULL )
+ {
+ printf( "Abc_CommandAbc8Write(): There is no design to write.\n" );
+ return 1;
+ }
+ // create the design to write
+ pFileName = argv[globalUtilOptind];
+// vCiNames = Ntl_ManCollectCiNames( pAbc->pAbc8Ntl );
+// vCoNames = Ntl_ManCollectCoNames( pAbc->pAbc8Ntl );
+ if ( fAig )
+ {
+ if ( pAbc->pAbc8Aig != NULL )
+ Aig_ManDumpBlif( pAbc->pAbc8Aig, pFileName, vCiNames, vCoNames );
+ else
+ {
+ printf( "There is no AIG to write.\n" );
+ return 1;
+ }
+ }
+ else
+ {
+ if ( pAbc->pAbc8Nwk != NULL )
+ Nwk_ManDumpBlif( pAbc->pAbc8Nwk, pFileName, vCiNames, vCoNames );
+ else
+ {
+ printf( "There is no mapped network to write.\n" );
+ return 1;
+ }
+ }
+ if ( vCiNames ) Vec_PtrFree( vCiNames );
+ if ( vCoNames ) Vec_PtrFree( vCoNames );
+ return 0;
+
+usage:
+ fprintf( stdout, "usage: *wlogic [-ah]\n" );
+ fprintf( stdout, "\t write the logic part of the design without whiteboxes\n" );
+ fprintf( stdout, "\t-a : toggle writing mapped network or AIG [default = %s]\n", fAig? "AIG": "mapped" );
fprintf( stdout, "\t-h : print the command usage\n");
return 1;
}
@@ -15768,7 +15947,98 @@ usage:
***********************************************************************/
int Abc_CommandAbc8Fraig( Abc_Frame_t * pAbc, int argc, char ** argv )
{
+ Aig_Man_t * pAigNew;
+ int c, fVerbose;
+ int nPartSize;
+ int nConfLimit;
+ int nLevelMax;
+ extern Aig_Man_t * Ntl_ManFraig( void * p, Aig_Man_t * pAig, int nPartSize, int nConfLimit, int nLevelMax, int fVerbose );
+
+ // set defaults
+ nPartSize = 0;
+ nConfLimit = 100;
+ nLevelMax = 0;
+ fVerbose = 0;
+ Extra_UtilGetoptReset();
+ while ( ( c = Extra_UtilGetopt( argc, argv, "PCLvh" ) ) != EOF )
+ {
+ switch ( c )
+ {
+ case 'P':
+ if ( globalUtilOptind >= argc )
+ {
+ fprintf( stdout, "Command line switch \"-P\" should be followed by an integer.\n" );
+ goto usage;
+ }
+ nPartSize = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( nPartSize < 0 )
+ goto usage;
+ break;
+ case 'C':
+ if ( globalUtilOptind >= argc )
+ {
+ fprintf( stdout, "Command line switch \"-C\" should be followed by an integer.\n" );
+ goto usage;
+ }
+ nConfLimit = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( nConfLimit < 0 )
+ goto usage;
+ break;
+ case 'L':
+ if ( globalUtilOptind >= argc )
+ {
+ fprintf( stdout, "Command line switch \"-L\" should be followed by an integer.\n" );
+ goto usage;
+ }
+ nLevelMax = atoi(argv[globalUtilOptind]);
+ globalUtilOptind++;
+ if ( nLevelMax < 0 )
+ goto usage;
+ break;
+ case 'v':
+ fVerbose ^= 1;
+ break;
+ case 'h':
+ goto usage;
+ default:
+ goto usage;
+ }
+ }
+
+ if ( pAbc->pAbc8Ntl == NULL )
+ {
+ printf( "Abc_CommandAbc8Fraig(): There is no design to SAT sweep.\n" );
+ return 1;
+ }
+ if ( pAbc->pAbc8Aig == NULL )
+ {
+ printf( "Abc_CommandAbc8Fraig(): There is no AIG to SAT sweep.\n" );
+ return 1;
+ }
+
+ // get the input file name
+ pAigNew = Ntl_ManFraig( pAbc->pAbc8Ntl, pAbc->pAbc8Aig, nPartSize, nConfLimit, nLevelMax, fVerbose );
+ if ( pAigNew == NULL )
+ {
+ printf( "Abc_CommandAbc8Fraig(): Tranformation of the AIG has failed.\n" );
+ return 1;
+ }
+ if ( pAbc->pAbc8Aig )
+ Aig_ManStop( pAbc->pAbc8Aig );
+ pAbc->pAbc8Aig = pAigNew;
return 0;
+
+usage:
+ fprintf( stdout, "usage: *fraig [-P num] [-C num] [-L num] [-vh]\n" );
+ fprintf( stdout, "\t performs SAT sweeping with white-boxes\n" );
+ fprintf( stdout, "\t-P num : partition size (0 = partitioning is not used) [default = %d]\n", nPartSize );
+ fprintf( stdout, "\t-C num : limit on the number of conflicts [default = %d]\n", nConfLimit );
+ fprintf( stdout, "\t-L num : limit on node level to fraig (0 = fraig all nodes) [default = %d]\n", nLevelMax );
+ fprintf( stdout, "\t-v : toggle verbose printout [default = %s]\n", fVerbose? "yes": "no" );
+ fprintf( stdout, "\t-h : print the command usage\n");
+ return 1;
}
/**Function*************************************************************
diff --git a/src/base/abci/abcDar.c b/src/base/abci/abcDar.c
index 4f27057b..81260e0e 100644
--- a/src/base/abci/abcDar.c
+++ b/src/base/abci/abcDar.c
@@ -353,7 +353,7 @@ Abc_Ntk_t * Abc_NtkFromDarChoices( Abc_Ntk_t * pNtkOld, Aig_Man_t * pMan )
Vec_PtrForEachEntry( vNodes, pObj, i )
{
pObj->pData = Abc_AigAnd( pNtkNew->pManFunc, (Abc_Obj_t *)Aig_ObjChild0Copy(pObj), (Abc_Obj_t *)Aig_ObjChild1Copy(pObj) );
- if ( (pTemp = pMan->pEquivs[pObj->Id]) )
+ if ( (pTemp = Aig_ObjEquiv(pMan, pObj)) )
{
Abc_Obj_t * pAbcRepr, * pAbcObj;
assert( pTemp->pData != NULL );
diff --git a/src/base/abci/abcFpga.c b/src/base/abci/abcFpga.c
index 9cc4e2c6..171cbf0a 100644
--- a/src/base/abci/abcFpga.c
+++ b/src/base/abci/abcFpga.c
@@ -201,7 +201,7 @@ Abc_Ntk_t * Abc_NtkFromFpga( Fpga_Man_t * pMan, Abc_Ntk_t * pNtk )
ProgressBar * pProgress;
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pNode, * pNodeNew;
- int i, nDupGates;
+ int i;//, nDupGates;
// create the new network
pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_BDD );
// make the mapper point to the new network
@@ -229,7 +229,7 @@ Abc_Ntk_t * Abc_NtkFromFpga( Fpga_Man_t * pMan, Abc_Ntk_t * pNtk )
if ( Abc_ObjFanoutNum(pNodeNew) == 0 )
Abc_NtkDeleteObj( pNodeNew );
// decouple the PO driver nodes to reduce the number of levels
- nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 1 );
+// nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 1 );
// if ( nDupGates && Fpga_ManReadVerbose(pMan) )
// printf( "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
return pNtkNew;
diff --git a/src/base/abci/abcIf.c b/src/base/abci/abcIf.c
index 35ec473f..cf6f88ae 100644
--- a/src/base/abci/abcIf.c
+++ b/src/base/abci/abcIf.c
@@ -186,7 +186,7 @@ Abc_Ntk_t * Abc_NtkFromIf( If_Man_t * pIfMan, Abc_Ntk_t * pNtk )
Abc_Ntk_t * pNtkNew;
Abc_Obj_t * pNode, * pNodeNew;
Vec_Int_t * vCover;
- int i, nDupGates;
+ int i;//, nDupGates;
// create the new network
if ( pIfMan->pPars->fUseBdds || pIfMan->pPars->fUseCnfs || pIfMan->pPars->fUseMv )
pNtkNew = Abc_NtkStartFrom( pNtk, ABC_NTK_LOGIC, ABC_FUNC_BDD );
@@ -223,7 +223,7 @@ Abc_Ntk_t * Abc_NtkFromIf( If_Man_t * pIfMan, Abc_Ntk_t * pNtk )
if ( pIfMan->pPars->fUseBdds )
Abc_NtkBddReorder( pNtkNew, 0 );
// decouple the PO driver nodes to reduce the number of levels
- nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 1 );
+// nDupGates = Abc_NtkLogicMakeSimpleCos( pNtkNew, 1 );
// if ( nDupGates && If_ManReadVerbose(pIfMan) )
// printf( "Duplicated %d gates to decouple the CO drivers.\n", nDupGates );
return pNtkNew;