From owner-freebsd-current  Mon Sep  7 09:18:13 1998
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Date: Tue, 8 Sep 1998 02:17:59 +1000
From: Bruce Evans <bde@zeta.org.au>
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To: bde@zeta.org.au, joelh@gnu.org
Subject: Re: ELF world and MFS / groff issues
Cc: current@FreeBSD.ORG, mike@smith.net.au, phk@critter.freebsd.dk,
        vanessa.voysey@k2c.co.uk
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>> You mean, it is known to show that broken code is broken.  Both -m486
>> and -O3 are normally pessimizations.  Don't use them.
>
>Why is -m486 a pessimization?

It enlarges the code a little to do even less.  Useless code pushes
useful code out of the caches.

Bruce

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