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Version abc51121

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This commit is contained in:
Alan Mishchenko
2005-11-21 08:01:00 -08:00
parent 69643dfe92
commit 08d2b31046
23 changed files with 425 additions and 179 deletions
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src/base/seq/seqRetIter.c
+22 -4
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@@ -78,6 +78,23 @@ void Seq_NtkRetimeDelayLags( Abc_Ntk_t * pNtk, int fVerbose )
NodeLag = Seq_NodeComputeLag( Seq_NodeGetLValue(pNode), FiBest );
Seq_NodeSetLag( pNode, NodeLag );
}
/*
{
Abc_Obj_t * pFanin, * pFanout;
pNode = Abc_NtkObj( pNtk, 823 );
printf( "Node %d. Lag = %d. LValue = %d. Latches = (%d,%d) (%d,%d).\n", pNode->Id, Seq_NodeGetLag(pNode), Seq_NodeGetLValue(pNode),
Seq_ObjFaninL0(pNode), Seq_ObjFaninL1(pNode), Seq_ObjFanoutL(pNode, Abc_NtkObj(pNtk, 826)), Seq_ObjFanoutL(pNode, Abc_NtkObj(pNtk, 1210)) );
pFanin = Abc_ObjFanin0( pNode );
printf( "Fanin %d. Lag = %d. LValue = %d. Latches = (%d,%d)\n", pFanin->Id, Seq_NodeGetLag(pFanin), Seq_NodeGetLValue(pFanin),
Seq_ObjFaninL0(pFanin), Seq_ObjFaninL1(pFanin) );
pFanin = Abc_ObjFanin1( pNode );
printf( "Fanin %d. Lag = %d. LValue = %d.\n", pFanin->Id, Seq_NodeGetLag(pFanin), Seq_NodeGetLValue(pFanin) );
Abc_ObjForEachFanout( pNode, pFanout, i )
printf( "Fanout %d. Lag = %d. LValue = %d.\n", pFanout->Id, Seq_NodeGetLag(pFanout), Seq_NodeGetLValue(pFanout) );
Abc_ObjForEachFanout( Abc_ObjFanin0(pNode), pFanout, i )
printf( "Fanout %d. Lag = %d. LValue = %d.\n", pFanout->Id, Seq_NodeGetLag(pFanout), Seq_NodeGetLValue(pFanout) );
}
*/
// print the result
if ( fVerbose )
@@ -135,6 +152,7 @@ int Seq_RetimeForPeriod( Abc_Ntk_t * pNtk, int Fi, int fVerbose )
{
Abc_Seq_t * p = pNtk->pManFunc;
Abc_Obj_t * pObj;
int nMaxSteps = 10;
int i, c, RetValue, fChange, Counter;
char * pReason = "";
@@ -149,7 +167,7 @@ int Seq_RetimeForPeriod( Abc_Ntk_t * pNtk, int Fi, int fVerbose )
// update all values iteratively
Counter = 0;
for ( c = 0; c < 20; c++ )
for ( c = 0; c < nMaxSteps; c++ )
{
fChange = 0;
Abc_AigForEachAnd( pNtk, pObj, i )
@@ -185,7 +203,7 @@ int Seq_RetimeForPeriod( Abc_Ntk_t * pNtk, int Fi, int fVerbose )
if ( fChange == 0 )
break;
}
if ( c == 20 )
if ( c == nMaxSteps )
{
RetValue = SEQ_UPDATE_FAIL;
pReason = "(timeout)";
@@ -222,11 +240,11 @@ int Seq_RetimeNodeUpdateLValue( Abc_Obj_t * pObj, int Fi )
int lValueNew, lValueOld, lValue0, lValue1;
assert( !Abc_ObjIsPi(pObj) );
assert( Abc_ObjFaninNum(pObj) > 0 );
lValue0 = Seq_NodeGetLValue(Abc_ObjFanin0(pObj)) - Fi * Abc_ObjFaninL0(pObj);
lValue0 = Seq_NodeGetLValue(Abc_ObjFanin0(pObj)) - Fi * Seq_ObjFaninL0(pObj);
if ( Abc_ObjIsPo(pObj) )
return (lValue0 > Fi)? SEQ_UPDATE_FAIL : SEQ_UPDATE_NO;
if ( Abc_ObjFaninNum(pObj) == 2 )
lValue1 = Seq_NodeGetLValue(Abc_ObjFanin1(pObj)) - Fi * Abc_ObjFaninL1(pObj);
lValue1 = Seq_NodeGetLValue(Abc_ObjFanin1(pObj)) - Fi * Seq_ObjFaninL1(pObj);
else
lValue1 = -ABC_INFINITY;
lValueNew = 1 + ABC_MAX( lValue0, lValue1 );