From owner-cvs-all Thu Mar 8 13:23: 3 2001 Delivered-To: cvs-all@freebsd.org Received: from obsecurity.dyndns.org (adsl-63-207-60-158.dsl.lsan03.pacbell.net [63.207.60.158]) by hub.freebsd.org (Postfix) with ESMTP id 1B7D437B719; Thu, 8 Mar 2001 13:23:00 -0800 (PST) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 8D3AA66BC4; Thu, 8 Mar 2001 13:22:54 -0800 (PST) Date: Thu, 8 Mar 2001 13:22:54 -0800 From: Kris Kennaway To: Chris Dillon Cc: Jeroen Ruigrok/Asmodai , kris@obsecurity.org, jkh@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: -march considered harmful? (Re: cvs commit: src/etc/defaults make.conf) Message-ID: <20010308132254.B88665@mollari.cthul.hu> References: <20010308102441.B7727@daemon.ninth-circle.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="dTy3Mrz/UPE2dbVg" Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from cdillon@wolves.k12.mo.us on Thu, Mar 08, 2001 at 01:26:58PM -0600 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --dTy3Mrz/UPE2dbVg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Mar 08, 2001 at 01:26:58PM -0600, Chris Dillon wrote: > In the same vein, can -march=pentiumpro hurt performance for P5 class > CPUs, or even cause the code not to work at all (unsupported > instructions)? Yes, -march=pentiumpro will generate code that doesn't run on pentiums. Kris --dTy3Mrz/UPE2dbVg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE6p/gsWry0BWjoQKURAlOOAJ49m6vKlsJ627ebBJ1hAiqJEToKxgCdEpN3 +MnOgW3nmIAaMGuYJU9FOCM= =zlWB -----END PGP SIGNATURE----- --dTy3Mrz/UPE2dbVg-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message