| MODE | `19:23` | changes Vector behaviour |
These are for 2 operand 1 dest instructions, such as `add RT, RA,
-RB`. However also included are unusual instructions with the same src
-and dest, such as `rlwinmi`.
+RB`. However also included are unusual instructions with an implicit dest
+that is identical to its src reg, such as `rlwinmi`.
-Normally, with instructions such as `rlwinmi`, the scalar v3.0B ISA would not have sufficient bits to allow
+Normally, with instructions such as `rlwinmi`, the scalar v3.0B ISA would not have sufficient bit fields to allow
an alternative destination. With SV however this becomes possible.
Therefore, the fact that the dest is implicitly also a src should not
mislead: due to the *prefix* they are different SV regs.