From owner-freebsd-current@FreeBSD.ORG Mon Jun 25 14:31:50 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7B0A016A400 for ; Mon, 25 Jun 2007 14:31:50 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.geekcn.org (tarsier.geekcn.org [210.51.165.229]) by mx1.freebsd.org (Postfix) with ESMTP id 2BD9E13C4B8 for ; Mon, 25 Jun 2007 14:31:50 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from localhost (tarsier.geekcn.org [210.51.165.229]) by tarsier.geekcn.org (Postfix) with ESMTP id 6A04DEB2A1C; Mon, 25 Jun 2007 22:31:49 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([210.51.165.229]) by localhost (mail.geekcn.org [210.51.165.229]) (amavisd-new, port 10024) with ESMTP id VwaAUKMSrIUD; Mon, 25 Jun 2007 22:31:47 +0800 (CST) Received: from charlie.delphij.net (unknown [221.219.158.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTP id 8BBB7EB2A17; Mon, 25 Jun 2007 22:31:46 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=delphij.net; c=nofws; q=dns; h=message-id:date:from:user-agent:mime-version:to:cc:subject: references:in-reply-to:x-enigmail-version:openpgp:content-type:content-transfer-encoding; b=Rjt4cQ+hewYVPsPDdQYZmIcnT84hNDxjT+ks0YzXOrLfA2wIFY3SFFVz9C4BOTtyC BoBZyLBs59DymA/FbT52Q== Message-ID: <467FD1D1.8080500@delphij.net> Date: Mon, 25 Jun 2007 22:31:45 +0800 From: Xin LI User-Agent: Thunderbird 2.0.0.4 (X11/20070615) MIME-Version: 1.0 To: Alexander Kabaev References: <20070625130913.GA50273@nagual.pp.ru> <20070625133951.GA51324@nagual.pp.ru> <8e5ef5f70706250659v48f64410wb5399985a571087e@mail.gmail.com> In-Reply-To: <8e5ef5f70706250659v48f64410wb5399985a571087e@mail.gmail.com> X-Enigmail-Version: 0.95.1 OpenPGP: url=http://www.delphij.net/delphij.asc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kan@freebsd.org, Andrey Chernov , current@freebsd.org Subject: Re: Silent gcc 4.2.0 loop optimization bug with -O2 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: Mon, 25 Jun 2007 14:31:50 -0000 Alexander Kabaev wrote: > It is trivial to extract a sample for miscompiltations. Just use > -save-temps and cut down the code until you have a simple case. If you > cannot be bothered to do that, nobody else would either, Perhaps unrelated, but it seems that gcc 4.2.1 has fixed a number of bugs, and might worth a new import before 7.0-RELEASE? Cheers,