From owner-freebsd-current Mon Sep 7 12:24:21 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA19112 for freebsd-current-outgoing; Mon, 7 Sep 1998 12:24:21 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from peedub.muc.de (ns1029.munich.netsurf.de [195.180.235.29]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA19053 for ; Mon, 7 Sep 1998 12:24:08 -0700 (PDT) (envelope-from garyj@peedub.muc.de) Received: from peedub.muc.de (localhost [127.0.0.1]) by peedub.muc.de (8.9.1/8.6.9) with ESMTP id UAA03678 for ; Mon, 7 Sep 1998 20:49:43 +0200 (CEST) Message-Id: <199809071849.UAA03678@peedub.muc.de> X-Mailer: exmh version 2.0.2 2/24/98 To: freebsd-current@FreeBSD.ORG Subject: Re: ELF world and MFS / groff issues Reply-To: Gary Jennejohn In-reply-to: Your message of "Tue, 08 Sep 1998 02:17:59 +1000." <199809071617.CAA05252@godzilla.zeta.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 07 Sep 1998 20:49:42 +0200 From: Gary Jennejohn Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Bruce Evans writes: >>> 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. > I seem to remember a mail from BDE, lo these many moons ago, in which he stated that -m486 -malign-loops=0 -malign-jumps=2 -malign-functions=2 was the optimal thing to use for a pentium with the stock gcc. Is that no longer true ? What would be better ? --- Gary Jennejohn Home - garyj@muc.de Work - garyj@fkr.dec.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message