From owner-freebsd-current Sun Feb 9 9:45:37 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8D66437B401 for ; Sun, 9 Feb 2003 09:45:36 -0800 (PST) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4197C43F85 for ; Sun, 9 Feb 2003 09:45:35 -0800 (PST) (envelope-from ticso@cicely8.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [IPv6:3ffe:400:8d0:301:200:92ff:fe9b:20e7]) by srv1.cosmo-project.de (8.12.5/8.12.5) with ESMTP id h19HjRUc025628 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Sun, 9 Feb 2003 18:45:30 +0100 (CET) (envelope-from ticso@cicely8.cicely.de) Received: from cicely8.cicely.de (cicely8.cicely.de [10.1.1.10]) by cicely5.cicely.de (8.12.6/8.12.6) with ESMTP id h19HjPFO048329 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sun, 9 Feb 2003 18:45:26 +0100 (CET) (envelope-from ticso@cicely8.cicely.de) Received: from cicely8.cicely.de (localhost [127.0.0.1]) by cicely8.cicely.de (8.12.6/8.12.6) with ESMTP id h19HjOMS072787; Sun, 9 Feb 2003 18:45:24 +0100 (CET) (envelope-from ticso@cicely8.cicely.de) Received: (from ticso@localhost) by cicely8.cicely.de (8.12.6/8.12.6/Submit) id h19HjKSK072786; Sun, 9 Feb 2003 18:45:21 +0100 (CET) Date: Sun, 9 Feb 2003 18:45:18 +0100 From: Bernd Walter To: David Schultz Cc: Terry Lambert , Ray Kohler , freebsd-current@FreeBSD.ORG Subject: Re: Compiling with high optimization? Message-ID: <20030209174518.GD70234@cicely8.cicely.de> Reply-To: ticso@cicely.de References: <20030208173756.GA56030@arkadia.nv.cox.net> <20030208232724.GA20435@HAL9000.homeunix.com> <3E459BF3.BB3FC381@mindspring.com> <20030209002542.GA20812@HAL9000.homeunix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030209002542.GA20812@HAL9000.homeunix.com> X-Operating-System: FreeBSD cicely8.cicely.de 5.0-CURRENT i386 User-Agent: Mutt/1.5.1i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sat, Feb 08, 2003 at 04:25:42PM -0800, David Schultz wrote: > Yes, the possibility of being bitten by compiler bugs is certainly > higher with higher optimization levels. Alpha with -O2 seems to > have been broken for years, and I have seen strange things happen > on IA64 as well. But the i386 code generators have received much > wider testing and debugging, so there is somewhat less danger there. I'm always compiling -current on alpha and i386 with -O2 since months. I havn't noticed any compiler related problems lately. But I never used CPUTYPE over 586/mmx and ev56 as my -current machines end here. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message