Both approaches are viable, but RISC-V's approach is better, as it provides higher code density without imposing a significant increase in complexity in exchange.

Higher code density is valuable. E.g.:

- The decoders can see more by looking at a window of code of the same size, or we can have a narrowed window.

- We can have less cache and save area and power. We can also clock the cache higher, enabled by it being smaller, lowering latency cycles.

- Smaller binaries or rom image.

Soon to be available (2024) large, high performance implementations will demonstrate RISC-V advantages well.