From owner-freebsd-stable Tue May 8 1:39:38 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mass.dis.org (mass.dis.org [216.240.45.41]) by hub.freebsd.org (Postfix) with ESMTP id 0FE5037B50C for ; Tue, 8 May 2001 01:39:35 -0700 (PDT) (envelope-from msmith@mass.dis.org) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.3/8.11.3) with ESMTP id f488Tii01959; Tue, 8 May 2001 01:29:44 -0700 (PDT) (envelope-from msmith@mass.dis.org) Message-Id: <200105080829.f488Tii01959@mass.dis.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: "Juha Saarinen" Cc: "FreeBSD Stable" Subject: Re: CFLAGS Optimization In-reply-to: Your message of "Tue, 08 May 2001 20:18:32 +1200." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 08 May 2001 01:29:44 -0700 From: Mike Smith Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > :: Basically, optimization levels above -O are not supported, so if you > :: have problems, it's not our fault. 8-) Basically, stay away from > :: optimizations with mission-critical stuff such as the kernel and > :: userland. For ports, it's OK. > > Even though the kernel and userland might be the bits that would benefit the > most from optimisations? Let me say it again - the optimiser is BROKEN. Given perfectly valid input, it generates BAD CODE. It doesn't matter how much these parts of the system might benefit from it if it worked - it doesn't. End of story. OK? -- ... every activity meets with opposition, everyone who acts has his rivals and unfortunately opponents also. But not because people want to be opponents, rather because the tasks and relationships force people to take different points of view. [Dr. Fritz Todt] V I C T O R Y N O T V E N G E A N C E To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message