From owner-freebsd-stable  Wed Mar 22 16: 6:52 2000
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Date: Wed, 22 Mar 2000 16:30:07 -0800
From: Alfred Perlstein <bright@wintelcom.net>
To: Brad Knowles <blk@skynet.be>
Cc: obrien@FreeBSD.ORG, Howard Leadmon <howardl@account.abs.net>,
	freebsd-alpha@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG
Subject: Re: Compiler problems with -O2 (was Re: CVS Trouble, even under 4.0-RELEASE (alpha) HELP!)
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* Brad Knowles <blk@skynet.be> [000322 16:15] wrote:
> At 1:09 PM -0800 2000/3/22, David O'Brien wrote:
> 
> >  I'm on the virge of turning off "-O2" on both Alpha and i386.
> 
> 	Cool!  Can I put in -O39696943125454932 and you'll save me from 
> myself on that, too?  ;-)
> 
> 
> 	Seriously, I have to wonder why people can't take the 
> recommendation that you should use nothing more than -O, and that 
> anything more is only likely to increase your probability of 
> crashing, toasting the system, etc....
> 
> 	I'm sorry, at best here we're talking a few tenths of a 
> percentage point of increased speed (if that), and maybe a few 
> milliseconds saved -- right?

Actually the difference between -O and -O2 the times i've looked
at the generated code was substantial, but I guess that brings 
along complexity that still needs to be worked out. :(

-Alfred


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