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