This invention relates to {HEAD ~ the field} of processor execution and, in particular, to {TAIL ~ execution} of instructions 
This invention relates to { HEAD ~ the field } of processor execution and , in particular , to { TAIL ~ execution } of instructions
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH