Date: Thu, 8 Mar 2001 13:22:54 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Chris Dillon <cdillon@wolves.k12.mo.us> Cc: Jeroen Ruigrok/Asmodai <asmodai@wxs.nl>, 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> In-Reply-To: <Pine.BSF.4.32.0103081314590.34818-100000@mail.wolves.k12.mo.us>; from cdillon@wolves.k12.mo.us on Thu, Mar 08, 2001 at 01:26:58PM -0600 References: <20010308102441.B7727@daemon.ninth-circle.org> <Pine.BSF.4.32.0103081314590.34818-100000@mail.wolves.k12.mo.us>
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--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
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