Diego 'Flameeyes' Pettenò wrote:
> So, I've been drafting this up in my blog[1], and it is a simple way to 
> replace the CPU feature useflags.

My counterproposal:

- keep the useflags
- add an eclass with the guessing logic from gcc
- add an useflag to let people decide the priority between gcc decisions
or useflag decisions.

So:

- don't have to wait for per package cflags

- have the hopefully best results if you don't really care (gcc guess)

- if you care do whatever you want, eg: turn cflags for vector units AND
autovectorized and shut down hand vectorized code (yes it could be dump
if the handmade stuff isn't wrong)

Sounds fair or I'm missing something?

-- 

Luca Barbato

Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero

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