Re: kernel optimization

From: Adrian Bunk
Date: Fri Jul 22 2005 - 15:18:11 EST


On Fri, Jul 22, 2005 at 12:52:22PM -0700, David Lang wrote:

> This is a airly frequent question
>
> the short answer is 'don't try'
>
> the longer answer is that all the additional optimization options that are
> part of O3+ are considered individually and if they make sense for the
> kernel they are explicitly enabled (in some cases the optimizations need
> to be explicitly turned off for proper functionality of the kernel under
> all versions of GCC)

As far as I can see, none of the additional optimizations with -O3 is
enabled in the kernel.

> David Lang

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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