In {HEAD ~ still other embodiments}, other instructions may be used to both control {TAIL ~ the attribute bits} and access the corresponding cache data 
In { HEAD ~ still other embodiments } , other instructions may be used to both control { TAIL ~ the attribute bits } and access the corresponding cache data
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH