In article , david20@alpha2.mdx.ac.uk writes:
>
> You would need to find someway to produce RISC like instructions from the VAX
> instructions and pass them to a RISC core (as modern x86 processors do)
> only then can you start looking at optimisations such as out of order execution.


Sounds like the basic design concepts of the VAX 9000. Not exactly
cost effective. But you could do it in software, much cheaper. As
a matter of fact, I think that's exactly what's happening when I
run SIMH on my Alpha.