From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5147 invoked by alias); 19 May 2003 03:01:51 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 5129 invoked from network); 19 May 2003 03:01:50 -0000 Received: from unknown (HELO mulga.cs.mu.OZ.AU) (128.250.1.22) by sources.redhat.com with SMTP; 19 May 2003 03:01:50 -0000 Received: from ceres.cs.mu.oz.au (mail@ceres.cs.mu.OZ.AU [128.250.33.10]) by mulga.cs.mu.OZ.AU with ESMTP id NAA22624; Mon, 19 May 2003 13:01:39 +1000 (EST) Received: from fjh by ceres.cs.mu.oz.au with local (Exim 3.35 #1 (Debian)) id 19HauB-0006Oa-00; Mon, 19 May 2003 13:01:39 +1000 Date: Mon, 19 May 2003 03:08:00 -0000 From: Fergus Henderson To: John David Anglin Cc: "H. J. Lu" , gcc@gcc.gnu.org, rth@redhat.com, schwab@suse.de Subject: Re: Does gcc violate the ia64 ABI? Message-ID: <20030519030139.GA23221@ceres.cs.mu.oz.au> References: <20030517202234.A28227@lucon.org> <200305182251.h4IMpsCD017880@hiauly1.hia.nrc.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200305182251.h4IMpsCD017880@hiauly1.hia.nrc.ca> User-Agent: Mutt/1.3.28i X-SW-Source: 2003-05/txt/msg01725.txt.bz2 On 18-May-2003, John David Anglin wrote: > > The rule says gp much be valid at entry and exit, period. It states > > > > --- > > The effect of the rules is that gp must be treated as scratch register > > at the point of call (i.e., it must be saved by the caller), and it must > > be preserved from entry to exit. > > > A violation is a violation. There is no slight violation. > > Okay officer you got me, don't shoot! You already got me in the leg. > I promise I won't do any more of those nasty tail calls, use thunks or > jump on trampolines ... If the ABI can't support tail calls, then I'd say the ABI is broken, and should be replaced, not GCC. -- Fergus Henderson | "I have always known that the pursuit The University of Melbourne | of excellence is a lethal habit" WWW: | -- the last words of T. S. Garp.