From owner-cvs-all Fri Feb 23 3:22:20 2001 Delivered-To: cvs-all@freebsd.org Received: from dragon.nuxi.com (trang.nuxi.com [209.152.133.57]) by hub.freebsd.org (Postfix) with ESMTP id CE77E37B491; Fri, 23 Feb 2001 03:22:09 -0800 (PST) (envelope-from obrien@NUXI.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.11.2/8.11.1) id f1NBM4u01927; Fri, 23 Feb 2001 03:22:04 -0800 (PST) (envelope-from obrien) Date: Fri, 23 Feb 2001 03:22:03 -0800 From: "David O'Brien" To: Alexander Leidinger Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/share/mk sys.mk Message-ID: <20010223032203.A1785@dragon.nuxi.com> Reply-To: obrien@FreeBSD.ORG References: <20010221114805.A96924@dragon.nuxi.com> <200102221219.f1MCJSF08422@Magelan.Leidinger.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200102221219.f1MCJSF08422@Magelan.Leidinger.net>; from Alexander@Leidinger.net on Thu, Feb 22, 2001 at 01:19:26PM +0100 X-Operating-System: FreeBSD 5.0-CURRENT Organization: The NUXI BSD group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Feb 22, 2001 at 01:19:26PM +0100, Alexander Leidinger wrote: > On 21 Feb, David O'Brien wrote: > > >> BTW, may be -mcpu=${MACHINE_CPU} can be added to the default CFLAGS now? > > > > I am nervous about this on the Alpha unless very well tested. We all > > know that an ev4 system as the ev4 cannot handled ev56-only instructions. > > [note the release building box and package cluster are ev56 machines] > > According to the GCC manual for 3.0 (in development), -mcpu on the Alpha > > includes the functionality of -march: > > [Quoting the docs] > > Reading "man gcc" on my -current (gcc 2.95.3) I interpret this as: > - -mcpu does the _instruction scheduling_ for the specified CPU > - -march _uses instructions_ of the specified CPU See the manual at http://gcc.gnu.org, and look at the Alpha specific options. My read of it makes me want to check this carefully before an MFC. -- -- David (obrien@FreeBSD.org) GNU is Not Unix / Linux Is Not UniX To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message