Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756600AbXJYJz3 (ORCPT ); Thu, 25 Oct 2007 05:55:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755067AbXJYJzL (ORCPT ); Thu, 25 Oct 2007 05:55:11 -0400 Received: from cantor.suse.de ([195.135.220.2]:48365 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754258AbXJYJzJ (ORCPT ); Thu, 25 Oct 2007 05:55:09 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Samuel Tardieu Subject: Re: Is gcc thread-unsafe? Date: Thu, 25 Oct 2007 11:55:03 +0200 User-Agent: KMail/1.9.6 Cc: davids@webmaster.com, "Torvalds, Linus" , Arjan van de Ven , Nick Piggin , "Linux-Kernel@Vger. Kernel. Org" References: <200710251447.51370.nickpiggin@yahoo.com.au> <2007-10-25-11-44-28+trackit+sam@rfc1149.net> In-Reply-To: <2007-10-25-11-44-28+trackit+sam@rfc1149.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710251155.03521.ak@novell.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 715 Lines: 20 On Thursday 25 October 2007 11:44:28 Samuel Tardieu wrote: > >>>>> "Nick" == Nick Piggin writes: > > Nick> Either way, I think we really need a way to turn it off for > Nick> Linux. > > Someone would need to add an option to disable the "cselim" pass in > GCC tree-ssa-phiopt.c as far as I can tell from reading GCC source. Note the test case was for 3.4.x which doesn't have tree-ssa at all. It does if-conversion on the RTL level -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/