Prefixed-Prefixed-instructions (SVP64 Prefixed v3.1 Prefixed)
would become a whopping 96-bit long instruction. Avoiding this
situation is a high priority which in turn by necessity puts pressure
-on the 32-bit Major Opcode space.
+on the 32-bit Major Opcode space. Alternative locations for SVP64
+Prefixing include EXT006 and EXT017, with EXT006 being most favourable.
SVP64 itself is already under pressure, being only 24 bits. If it is
not permitted to take up 25% of EXT001 then it would have to be proposed
ISA Spec,
is under severe design pressure as it is insufficient to hold
the full extent of the instruction additions required to create
-a Hybrid 3D CPU-VPU-GPU. Akthough the wording of the Power ISA
+a Hybrid 3D CPU-VPU-GPU. Although the wording of the Power ISA
Specification leaves open the *possibility* of not needing to
propose ISA Extensions to the ISA WG, it is clear that EXT022
is an inappropriate location for a large high-profile Extension