From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: x86 SHA1: Faster than OpenSSL Date: Wed, 5 Aug 2009 19:10:18 -0700 (PDT) Message-ID: References: <20090805181755.22765.qmail@science.horizon.com> <7vocqtu286.fsf@alter.siamese.dyndns.org> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Nicolas Pitre , George Spelvin , git@vger.kernel.org To: Junio C Hamano X-From: git-owner@vger.kernel.org Thu Aug 06 04:11:21 2009 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1MYsRt-0003ZB-72 for gcvg-git-2@gmane.org; Thu, 06 Aug 2009 04:11:21 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753711AbZHFCKq (ORCPT ); Wed, 5 Aug 2009 22:10:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753705AbZHFCKp (ORCPT ); Wed, 5 Aug 2009 22:10:45 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:41586 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753662AbZHFCKp (ORCPT ); Wed, 5 Aug 2009 22:10:45 -0400 Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id n762AInM012700 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 5 Aug 2009 19:10:19 -0700 Received: from localhost (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id n762AIWt032557; Wed, 5 Aug 2009 19:10:18 -0700 X-X-Sender: torvalds@localhost.localdomain In-Reply-To: <7vocqtu286.fsf@alter.siamese.dyndns.org> User-Agent: Alpine 2.01 (LFD 1184 2008-12-16) X-Spam-Status: No, hits=-3.467 required=5 tests=AWL,BAYES_00 X-Spam-Checker-Version: SpamAssassin 3.2.4-osdl_revision__1.47__ X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: On Wed, 5 Aug 2009, Junio C Hamano wrote: > > Like this? No, combine it with the other shifts: Yes: > - ctx->size += (unsigned long long) len << 3; > + ctx->size += (unsigned long long) len; No: > + ctx->size <<= 3; /* bytes to bits */ > padlen[0] = htonl(ctx->size >> 32); > padlen[1] = htonl(ctx->size); Do padlen[0] = htonl(ctx->size >> 29); padlen[1] = htonl(ctx->size << 3); instead. Or whatever. Linus