From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RcLDZ-0000SF-Bd for garchives@archives.gentoo.org; Sun, 18 Dec 2011 18:12:13 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 94A2F21C247; Sun, 18 Dec 2011 18:11:57 +0000 (UTC) Received: from smtp207.alice.it (smtp207.alice.it [82.57.200.103]) by pigeon.gentoo.org (Postfix) with ESMTP id 23FC521C247 for ; Sun, 18 Dec 2011 18:10:52 +0000 (UTC) Received: from infra.agr.fm (95.249.114.28) by smtp207.alice.it (8.6.023.02) id 4ED236CF032695F7 for gentoo-user@lists.gentoo.org; Sun, 18 Dec 2011 19:10:51 +0100 Received: from star.agr.fm (star.agr.fm [192.168.64.2]) by infra.agr.fm (Postfix) with ESMTP id 20438587E3A for ; Sun, 18 Dec 2011 19:10:51 +0100 (CET) Message-ID: <4EEE2CAA.3040309@alyf.net> Date: Sun, 18 Dec 2011 19:10:50 +0100 From: Andrea Conti User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:8.0) Gecko/20111105 Thunderbird/8.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: -march=native is *EXTREMELY* conservative References: <20111217210709.GA1740@waltdnes.org> <20111218011054.GA2804@waltdnes.org> <20111218103449.GA21102@waltdnes.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: e26854a3-fac3-480a-8253-5b8bdae7f1e4 X-Archives-Hash: 17d435f98f87e0175b76ecd5380fb737 > Could be. It could also be it's because of "-mfpmath=sse". AFAIK most video decoders (outside of reference implementations) are written using integer math only... -O3 is a much more likely candidate. andrea