{HEAD ~ Existing exception pipeline flushing mechanisms} may be utilized, by adding {TAIL ~ a mispredicted branch identifier}, reducing the complexity and hardware cost of flushing the lower pipelines 
utilized by adding
{ HEAD ~ Existing exception pipeline flushing mechanisms } may be utilized , by adding { TAIL ~ a mispredicted branch identifier } , reducing the complexity and hardware cost of flushing the lower pipelines
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH