Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760087AbXJYJ4M (ORCPT ); Thu, 25 Oct 2007 05:56:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755359AbXJYJzi (ORCPT ); Thu, 25 Oct 2007 05:55:38 -0400 Received: from main.gmane.org ([80.91.229.2]:52145 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758843AbXJYJzg (ORCPT ); Thu, 25 Oct 2007 05:55:36 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Samuel Tardieu Subject: Re: Is gcc thread-unsafe? Date: Thu, 25 Oct 2007 11:54:38 +0200 Message-ID: <87r6jjzfhd.fsf@willow.rfc1149.net> References: <200710251447.51370.nickpiggin@yahoo.com.au> <2007-10-25-11-44-28+trackit+sam@rfc1149.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: zaphod.rfc1149.net User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) Cancel-Lock: sha1:Aem1Dm0XI6wIE5iFJi/TSA1N0aY= X-Leafnode-NNTP-Posting-Host: 2001:6f8:37a:2::2 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 851 Lines: 17 >>>>> "Sam" == Samuel Tardieu writes: >>>>> "Nick" == Nick Piggin writes: Nick> Either way, I think we really need a way to turn it off for Nick> Linux. Sam> Someone would need to add an option to disable the "cselim" pass Sam> in GCC tree-ssa-phiopt.c as far as I can tell from reading GCC Sam> source. Mmm, it looks like there is an option already (-fno-tree-cselim), but it looks like it has no visible effect in my version of GCC (yesterday's SVN). I'll ask on the GCC mailing-list. Sam -- Samuel Tardieu -- sam@rfc1149.net -- http://www.rfc1149.net/ - 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/