Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992790AbWJURTF (ORCPT ); Sat, 21 Oct 2006 13:19:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992784AbWJURTF (ORCPT ); Sat, 21 Oct 2006 13:19:05 -0400 Received: from mx1.redhat.com ([66.187.233.31]:17643 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S2992790AbWJURTE (ORCPT ); Sat, 21 Oct 2006 13:19:04 -0400 Date: Sat, 21 Oct 2006 13:18:48 -0400 From: Dave Jones To: Andi Kleen Cc: jbeulich@novell.com, patches@x86-64.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] [8/19] x86: Use -maccumulate-outgoing-args Message-ID: <20061021171848.GC30758@redhat.com> Mail-Followup-To: Dave Jones , Andi Kleen , jbeulich@novell.com, patches@x86-64.org, linux-kernel@vger.kernel.org References: <20061021651.356252000@suse.de> <20061021165128.23A8913C4D@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061021165128.23A8913C4D@wotan.suse.de> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 830 Lines: 23 On Sat, Oct 21, 2006 at 06:51:28PM +0200, Andi Kleen wrote: > > This avoids some problems with gcc 4.x and earlier generating > invalid unwind information. In 4.1 the option is default > when unwind information is enabled. > > And it seems to generate smaller code too, so it's probably > a good thing on its own. With gcc 4.0: That's quite odd. The gcc man page mentions that "The drawback is a notable increase in code size." for this option. I wonder if this is just stale documentation, or there's a reason why we're special :) Dave -- http://www.codemonkey.org.uk - 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/