Linus Torvalds (torvalds.delete@this.linux-foundation.org) on July 11, 2013 10:57 am wrote:
> bakaneko (nyan.delete@this.hyan.wan) on July 11, 2013 12:02 am wrote:
> >
> > It doesn't matter for application developers,
> > because native code is only recommended for
> > isolated routines called from Java code. And
> > the last thing any programmer would do is
> > disable NEON.
>
> Any sane person will agree that AnTuTu is crap, and that using icc is odd.
>
> But that last statement of yours is laughably incorrect.
>
> No sane person uses NEON, because NEON isn't available in most ARM implementations.

Actually most sane people would, if it is a performance intensive app that is not going to ever be run on the tiny fraction of low end CPUs that don't have NEON.

But besides that, as Exophase said, you can create uarch specific code paths, which you would obviously do.