Re: What are the best gcc optimization options for Pentium 200 MMX

[David Malone]

On Sat, Apr 08, 2000 at 09:25:16PM +0700, Alexey N. Dokuchaev wrote:

> I'm trying to achive maximum performance of my FreeBSD 4.0-RELEASE box,
> and going to recompile kernel and world using -Os -pipe options.  Is there
> any additional flags I might consider turning on (like -mfast_math) to
> make both kernel and world work at the top performance I can achieve?

I thought there was no floating point code in the kernel, and so
-mfast-math wouldn't make any difference. I presume Linux doesn't
have any FPU code in the kernel either, to save having to save/restore
the registers on syscalls?

        David.


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