Depending on {TAIL ~ the implementation} of FGU 220, some instructions or instruction operand or result scenarios may be trapped and handled or emulated by {HEAD ~ software} 
Depending on
Depending on { TAIL ~ the implementation } of FGU 220 , some instructions or instruction operand or result scenarios may be trapped and handled or emulated by { HEAD ~ software }
REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD