Date: Thu, 23 Sep 1999 10:57:07 -0400 (EDT) From: Luke <lh@aus.org> To: Sheldon Hearn <sheldonh@uunet.co.za> Cc: freebsd-current@FreeBSD.ORG, The Hermit Hacker <scrappy@hub.org> Subject: Re: gcc optimizer in -current system ... Message-ID: <XFMail.990923105707.lh@aus.org> In-Reply-To: <5868.938087433@axl.noc.iafrica.com>
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>> > well, I just did -O3 -mpentium, and it both compiled cleanly, and
>> > appears
>>
>> Try build world with that kernel running. :-)
>
> I should have mentioned that I'm speaking from fairly stale experience.
> I got bitten by this last year and haven't tried since.
I have -03 -mpentium -fomit-frame-pointer and the only inexpicable
problem I have is I cant compile groff with more than -O for some reason.
Other than that make world and make release have worked many times.
I wonder does anyone think [or have stats] on whether O3-6 and things like
- -ffast-math actually make any difference?
Luke
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