From owner-freebsd-current@FreeBSD.ORG Thu Nov 1 11:53:58 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4C68416A417 for ; Thu, 1 Nov 2007 11:53:58 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (tim.des.no [194.63.250.121]) by mx1.freebsd.org (Postfix) with ESMTP id 06A1F13C4A7 for ; Thu, 1 Nov 2007 11:53:57 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (localhost [127.0.0.1]) by spam.des.no (Postfix) with ESMTP id 24DCA209D; Thu, 1 Nov 2007 12:53:20 +0100 (CET) X-Spam-Tests: AWL X-Spam-Learn: disabled X-Spam-Score: -0.1/3.0 X-Spam-Checker-Version: SpamAssassin 3.2.3 (2007-08-08) on tim.des.no Received: from ds4.des.no (des.no [80.203.243.180]) by smtp.des.no (Postfix) with ESMTP id 12F35209B; Thu, 1 Nov 2007 12:53:20 +0100 (CET) Received: by ds4.des.no (Postfix, from userid 1001) id 97EDA84479; Thu, 1 Nov 2007 12:53:19 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: "Stephan F. Yaraghchi" References: <25f52a3d0710300732x425f0c45vde1a29361096c018@mail.gmail.com> <47284E4F.5030008@FreeBSD.org> <25f52a3d0710310303w7138bf5ds92698f1b6af2f655@mail.gmail.com> <4728F43A.1030500@FreeBSD.org> <25f52a3d0711010027t6b124227gfbddcada12b16e24@mail.gmail.com> Date: Thu, 01 Nov 2007 12:53:19 +0100 In-Reply-To: <25f52a3d0711010027t6b124227gfbddcada12b16e24@mail.gmail.com> (Stephan F. Yaraghchi's message of "Thu\, 1 Nov 2007 08\:27\:26 +0100") Message-ID: <86ve8muqq8.fsf@ds4.des.no> User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org Subject: Re: loader breaks with -O2 optimizations X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Nov 2007 11:53:58 -0000 "Stephan F. Yaraghchi" writes: > By the way: "BSD Hacks" is a collection of hacks compiled by Dru. > Hack #69 deals with tuning and is authored by Avleen Vig. > It says: "The -funroll-loops saves one CPU register that would otherwise > be tied up in tracking the iteration of the loop, but at the expense of m= aking > a slightly larger binary." Avleen Vig is a clueless ****. I've rebutted his "tuning advice" several times in the past. I'm sorry to hear that Dru lends him her authority. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no