...
pipediv5 - FPDivStageFinal ispec FPDivStage0Data
--------- ospec FPAddStage1Data
+-------- ospec FPPostCalcData
StageChain: DivPipeCalculateStage,
...
DivPipeFinalStage,
FPDivStage2Mod
-normpack - FPNormToPack ispec FPAddStage1Data
+normpack - FPNormToPack ispec FPPostCalcData
-------- ospec FPPackData
StageChain: Norm1ModSingle,