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