apply there? And branches: how can you have Saturation on something
that does not return an arithmetic result? In short: there are actually
four different categories (five including those for which Vectorisation
-makes no sense at all, such as `sc` or `mtmsr`).
+makes no sense at all, such as `sc` or `mtmsr`). The categories are:
+
+* arithmetic/logical including floating-point
+* Load/Store
+* Condition Register Field operations
+* branch
+
+Branch is the one and only place where the Scalar
+(non-prefixed) operations differ from the Vector (element)
+instructions, as explained in a separate section.
+
# CR weird instructions