Re: [RFC][PATCH] Reduce generated code by 3% by increasing MMU indices

[Richard Henderson]

On 8/5/23 09:47, Helge Deller wrote:
> Do we want to enable such an performance optimization?
> If so, I see two possibilities:
>
> a) Re-define NB_MMU_MODES per target

No, we've just gotten rid of per target definitions of NB_MMU_MODES, on the way to being 
able to support multiple targets simultaneously.

This only affects x86, and for only 6 bytes per memory access.  While saving code size is 
a nice goal, I sincerely doubt you can measure any performance difference.

If there were a way to change no more than two lines of code, that would be fine.  But 
otherwise I don't see this as being worth making the rest of the code base any more complex.


r~