instruction need not or must not raise an illegal instruction on UNDEFINED
behaviour, unimiplemented parts of SVP64 *MUST* raise an illegal
instruction trap when (and only when)
-that same Scalar instruction is Prefixed*.
+that same Scalar instruction is Prefixed*. It is absolutely critical
+to note that when not Prefixed, under no circumstances shall the Scalar
+instruction deviate from the Scalar Power ISA Specification.
Summary of Compliancy Levels, each Level includes all lower levels: