REMAP allows the usual sequential vector loop `0..VL-1` to be "reshaped"
(re-mapped) from a linear form to a 2D or 3D transposed form, or "offset"
-to permit arbitrary access to elements (when elwidth overrides are
-used), independently on each Vector src or dest register.
+to permit arbitrary access to elements, independently on each
+Vector src or dest register. Up to four separate independent REMAPs may be applied
+to the registers of any instruction.
A normal Vector Add: