Through attributes or {HEAD ~ flags} associated with the instruction representations, {TAIL ~ an IOM} additionally tracks instruction dependencies, and is instrumental in exception handling 
Through attributes or { HEAD ~ flags } associated with the instruction representations , { TAIL ~ an IOM } additionally tracks instruction dependencies , and is instrumental in exception handling
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH