[bits 16]
ret
ret 4
ret word 2
retn 6
retn word 2
retf
retf 8
retf word 2

[bits 32]
ret
ret 4
ret word 2
retn 6
retn word 2
retf
retf 8
retf word 2

[bits 64]
ret
ret 4
ret word 2
retn 6
retn word 2
retf
retf 8
retf word 2