Re: Linux-2.2.5 - and a vacation
Arvind Sankar (arvinds@mit.edu)
Tue, 30 Mar 1999 18:07:24 -0500
On Tue, Mar 30, 1999 at 02:42:55PM -0600, Brandon Black wrote:
> I'm actually way past taking my life in my own hands, in that the
> binutils, compiler, and kernel have all been built using egcs-1.1.2 with
> the following optimization flags:
>
> -march=pentiumpro -O6 -fomit-frame-pointer -malign-loops=0
> -malign-functions=0 -malign-jumps=0
> (yes, even the kernel at O6).
well, if you have a pentiumpro, that should really be
-malign-loops=4 etc. You might also try adding -funroll-loops.
I wonder if -fno-strict-aliasing might be better for the kernel?
btw, egcs doesn't really have -O levels beyond 3.
-- arvind
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