From owner-freebsd-current  Thu Oct 24  8:42: 1 2002
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 49AA437B401
	for <freebsd-current@freebsd.org>; Thu, 24 Oct 2002 08:41:59 -0700 (PDT)
Received: from mail.speakeasy.net (mail11.speakeasy.net [216.254.0.211])
	by mx1.FreeBSD.org (Postfix) with ESMTP id D129843E6A
	for <freebsd-current@freebsd.org>; Thu, 24 Oct 2002 08:41:58 -0700 (PDT)
	(envelope-from jhb@FreeBSD.org)
Received: (qmail 28421 invoked from network); 24 Oct 2002 15:42:02 -0000
Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63])
          (envelope-sender <jhb@FreeBSD.org>)
          by mail11.speakeasy.net (qmail-ldap-1.03) with DES-CBC3-SHA encrypted SMTP
          for <freebsd-current@freebsd.org>; 24 Oct 2002 15:42:02 -0000
Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1])
	by server.baldwin.cx (8.12.6/8.12.6) with ESMTP id g9OFfun5071108;
	Thu, 24 Oct 2002 11:41:57 -0400 (EDT)
	(envelope-from jhb@FreeBSD.org)
Message-ID: <XFMail.20021024114200.jhb@FreeBSD.org>
X-Mailer: XFMail 1.5.2 on FreeBSD
X-Priority: 3 (Normal)
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 8bit
MIME-Version: 1.0
In-Reply-To: <20021024045758.GA3936@troutmask.apl.washington.edu>
Date: Thu, 24 Oct 2002 11:42:00 -0400 (EDT)
From: John Baldwin <jhb@FreeBSD.org>
To: Steve Kargl <sgk@troutmask.apl.washington.edu>
Subject: RE: Simple code produces ICE in gcc-3.2.1
Cc: freebsd-current@freebsd.org
Sender: owner-freebsd-current@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-current.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-current>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-current>
X-Loop: FreeBSD.ORG

Probably want to send this to gcc-bugs@gcc.gnu.org instead.

On 24-Oct-2002 Steve Kargl wrote:
> The code fragment below causes an ICE if
> k = 1.  No ICE occurs if k = 0 or the 
> optimization level is -O0 or -O1.
> 
> troutmask:kargl[205] gcc -O2 -c c.c
> c.c: In function `ice':
> c.c:11: unrecognizable insn:
> (insn 179 170 188 (set (reg:SI 85)
>         (ashift:SI (reg/v:SI 62)
>             (const_int 1 [0x1]))) -1 (nil)
>     (nil))
> c.c:11: Internal compiler error in extract_insn, at recog.c:2150
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> 
> 
> kargl[203] gcc -v
> Using built-in specs.
> Configured with: FreeBSD/i386 system compiler
> Thread model: posix
> gcc version 3.2.1 [FreeBSD] 20021009 (prerelease)
> 
> -- 
> Steve
> 
> void ice(int m, int n, double *f) {
> 
>       int i, j, k;
> 
>     /* k = 0;  No ICE */
>     k = 1;  /* ICE */
> 
>     for (j = 0; j < n; j++) {
>         for (i = k; i < m; i++) {
>             f[i] = (double) (i * j);
>             f[i + j] = (double) ((i + 1) * j);
>         }
>     }
> }
> 
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-current" in the body of the message

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message