Re: [patch] measurements, numbers about CONFIG_OPTIMIZE_INLINING=y impact
From: Andi Kleen
Date: Fri Jan 09 2009 - 14:26:27 EST
On Fri, Jan 09, 2009 at 08:10:20PM +0100, Richard Guenther wrote:
> On Fri, Jan 9, 2009 at 8:21 PM, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
> >> GCC 4.3 should be good in compiling the
> >> kernel with default -Os settings.
> >
> > It's unfortunately not. It doesn't inline a lot of simple asm() inlines
> > for example.
>
> Reading Ingos posting with the actual numbers states the opposite.
Hugh had some numbers upto 4.4.0 20090102 in
http://thread.gmane.org/gmane.linux.kernel/775254/focus=777231
which demonstrated the problem.
-Andi
--
ak@xxxxxxxxxxxxxxx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/