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authorAlan Mishchenko <alanmi@berkeley.edu>2008-04-04 20:01:00 -0700
committerAlan Mishchenko <alanmi@berkeley.edu>2008-04-04 20:01:00 -0700
commit0c4d314ef0460b94c3ccc4f8ddeedc8e49e35e96 (patch)
tree386f5fc8af56d55a7532e2b9bd09b3c081a5bcac /src/base/abci/abcDelay.c
parentef20b0c5336e28a3e09db9f0accfc072db1559cc (diff)
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Version abc80404_2
Diffstat (limited to 'src/base/abci/abcDelay.c')
-rw-r--r--src/base/abci/abcDelay.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/src/base/abci/abcDelay.c b/src/base/abci/abcDelay.c
index 847f1c75..3c28e6a6 100644
--- a/src/base/abci/abcDelay.c
+++ b/src/base/abci/abcDelay.c
@@ -229,52 +229,6 @@ float Abc_NtkDelayTraceLut( Abc_Ntk_t * pNtk, int fUseLutLib )
/**Function*************************************************************
- Synopsis [Determines timing-critical edges of the node.]
-
- Description []
-
- SideEffects []
-
- SeeAlso []
-
-***********************************************************************/
-unsigned Abc_NtkDelayTraceTCEdges( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode, float tDelta, int fUseLutLib )
-{
- int pPinPerm[32];
- float pPinDelays[32];
- If_Lib_t * pLutLib;
- Abc_Obj_t * pFanin;
- unsigned uResult = 0;
- float tRequired, * pDelays;
- int k;
- pLutLib = fUseLutLib? Abc_FrameReadLibLut() : NULL;
- tRequired = Abc_ObjRequired(pNode);
- if ( pLutLib == NULL )
- {
- Abc_ObjForEachFanin( pNode, pFanin, k )
- if ( tRequired < Abc_ObjArrival(pFanin) + 1.0 + tDelta )
- uResult |= (1 << k);
- }
- else if ( !pLutLib->fVarPinDelays )
- {
- pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
- Abc_ObjForEachFanin( pNode, pFanin, k )
- if ( tRequired < Abc_ObjArrival(pFanin) + pDelays[0] + tDelta )
- uResult |= (1 << k);
- }
- else
- {
- pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
- Abc_NtkDelayTraceSortPins( pNode, pPinPerm, pPinDelays );
- Abc_ObjForEachFanin( pNode, pFanin, k )
- if ( tRequired < Abc_ObjArrival(Abc_ObjFanin(pNode,pPinPerm[k])) + pDelays[k] + tDelta )
- uResult |= (1 << pPinPerm[k]);
- }
- return uResult;
-}
-
-/**Function*************************************************************
-
Synopsis [Delay tracing of the LUT mapped network.]
Description []
@@ -497,6 +451,52 @@ void Abc_NtkSpeedupNode( Abc_Ntk_t * pNtk, Abc_Ntk_t * pAig, Abc_Obj_t * pNode,
/**Function*************************************************************
+ Synopsis [Determines timing-critical edges of the node.]
+
+ Description []
+
+ SideEffects []
+
+ SeeAlso []
+
+***********************************************************************/
+unsigned Abc_NtkDelayTraceTCEdges( Abc_Ntk_t * pNtk, Abc_Obj_t * pNode, float tDelta, int fUseLutLib )
+{
+ int pPinPerm[32];
+ float pPinDelays[32];
+ If_Lib_t * pLutLib;
+ Abc_Obj_t * pFanin;
+ unsigned uResult = 0;
+ float tRequired, * pDelays;
+ int k;
+ pLutLib = fUseLutLib? Abc_FrameReadLibLut() : NULL;
+ tRequired = Abc_ObjRequired(pNode);
+ if ( pLutLib == NULL )
+ {
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(pFanin) + 1.0 + tDelta )
+ uResult |= (1 << k);
+ }
+ else if ( !pLutLib->fVarPinDelays )
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(pFanin) + pDelays[0] + tDelta )
+ uResult |= (1 << k);
+ }
+ else
+ {
+ pDelays = pLutLib->pLutDelays[Abc_ObjFaninNum(pNode)];
+ Abc_NtkDelayTraceSortPins( pNode, pPinPerm, pPinDelays );
+ Abc_ObjForEachFanin( pNode, pFanin, k )
+ if ( tRequired < Abc_ObjArrival(Abc_ObjFanin(pNode,pPinPerm[k])) + pDelays[k] + tDelta )
+ uResult |= (1 << pPinPerm[k]);
+ }
+ return uResult;
+}
+
+/**Function*************************************************************
+
Synopsis [Adds choices to speed up the network by the given percentage.]
Description []