From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-return-68070-listarch-gcc=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 30965 invoked by alias); 11 Feb 2003 22:07:47 -0000
Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc/>
List-Post: <mailto:gcc@gcc.gnu.org>
List-Help: <http://gcc.gnu.org/ml/>
Sender: gcc-owner@gcc.gnu.org
Received: (qmail 30957 invoked from network); 11 Feb 2003 22:07:47 -0000
Received: from unknown (HELO monkey.daikokuya.co.uk) (213.152.55.49)
  by 172.16.49.205 with SMTP; 11 Feb 2003 22:07:47 -0000
Received: from neil by monkey.daikokuya.co.uk with local (Exim 3.36 #1 (Debian))
	id 18iiZ5-00008z-00; Tue, 11 Feb 2003 22:07:43 +0000
Date: Tue, 11 Feb 2003 22:07:00 -0000
From: Neil Booth <neil@daikokuya.co.uk>
To: Geoff Keating <geoffk@geoffk.org>
Cc: kenner@vlsi1.ultra.nyu.edu, gcc@gcc.gnu.org
Subject: Re: Altivec + 16 byte alignment
Message-ID: <20030211220743.GB32672@daikokuya.co.uk>
References: <10302111906.AA19734@vlsi1.ultra.nyu.edu> <200302111924.h1BJOTA13916@desire.geoffk.org> <20030211202850.GB31585@daikokuya.co.uk> <200302112043.h1BKh6k13974@desire.geoffk.org> <20030211220310.GA32672@daikokuya.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030211220310.GA32672@daikokuya.co.uk>
User-Agent: Mutt/1.5.3i
X-SW-Source: 2003-02/txt/msg00719.txt.bz2

Neil Booth wrote:-

> > struct foo {
> >   int x __attribute__((aligned (512)));
> > }
> > 
> > which might, or might not, end up on the stack.
> 
> You could diagnose that when the object of that type is declared, just
> like we have to make other checks (particularly in C++) at that time.

I guess you're saying that the middle end only decides the stack layout
later.  I guess.  Thanks for persisting.  8-)

Neil.