From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767177AbXEBW4p (ORCPT ); Wed, 2 May 2007 18:56:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767138AbXEBW4p (ORCPT ); Wed, 2 May 2007 18:56:45 -0400 Received: from mx1.redhat.com ([66.187.233.31]:60623 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767177AbXEBW4o (ORCPT ); Wed, 2 May 2007 18:56:44 -0400 Message-ID: <4639171A.3050004@redhat.com> Date: Wed, 02 May 2007 15:56:26 -0700 From: Ulrich Drepper Organization: Red Hat, Inc. User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Andi Kleen CC: Linux Kernel , Andrew Morton Subject: Re: Why ssse3? References: <46391392.4070706@redhat.com> <200705030046.07152.ak@suse.de> In-Reply-To: <200705030046.07152.ak@suse.de> X-Enigmail-Version: 0.94.3.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig15DE4C6F75EBEF8CD656A160" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig15DE4C6F75EBEF8CD656A160 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Andi Kleen wrote: > Nope. SSE3 !=3D SSSE3. The additional S means Supplemential. >=20 > It's probably because the few changes didn't justify a SSE4 OK, the problem is that the actual sse3 bit is misnamed. According to Intel's docs bit 0 of ECX is "sse", the kernel uses "pni". Too bad. --=20 =E2=9E=A7 Ulrich Drepper =E2=9E=A7 Red Hat, Inc. =E2=9E=A7 444 Castro St = =E2=9E=A7 Mountain View, CA =E2=9D=96 --------------enig15DE4C6F75EBEF8CD656A160 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFGORca2ijCOnn/RHQRAgqMAJ9UzpLqOxZEE5PBIAvtjNtl7xZhLgCfYArG AwUCq7wXEMAIVcHljcSAEPs= =DBbY -----END PGP SIGNATURE----- --------------enig15DE4C6F75EBEF8CD656A160--