From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-return-156466-listarch-gcc=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 2097 invoked by alias); 8 Sep 2009 21:18:13 -0000
Received: (qmail 2040 invoked by uid 22791); 8 Sep 2009 21:18:10 -0000
X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 	tests=AWL,BAYES_00,J_CHICKENPOX_21,SPF_PASS
X-Spam-Check-By: sourceware.org
Received: from smtp-out.google.com (HELO smtp-out.google.com) (216.239.45.13)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 08 Sep 2009 21:18:01 +0000
Received: from spaceape24.eur.corp.google.com (spaceape24.eur.corp.google.com [172.28.16.76]) 	by smtp-out.google.com with ESMTP id n88LHw3Y010843; 	Tue, 8 Sep 2009 14:17:59 -0700
Received: from qw-out-1920.google.com (qwa14.prod.google.com [10.241.193.14]) 	by spaceape24.eur.corp.google.com with ESMTP id n88LHsRO028624; 	Tue, 8 Sep 2009 14:17:55 -0700
Received: by qw-out-1920.google.com with SMTP id 14so934890qwa.60         for <multiple recipients>; Tue, 08 Sep 2009 14:17:53 -0700 (PDT)
Received: by 10.224.73.34 with SMTP id o34mr7324851qaj.373.1252444672020;         Tue, 08 Sep 2009 14:17:52 -0700 (PDT)
Received: from localhost.localdomain.google.com (dhcp-172-22-126-192.mtv.corp.google.com [172.22.126.192])         by mx.google.com with ESMTPS id 5sm34109qwh.50.2009.09.08.14.17.50         (version=TLSv1/SSLv3 cipher=RC4-MD5);         Tue, 08 Sep 2009 14:17:51 -0700 (PDT)
To: Andrew Haley <aph@redhat.com>
Cc: gcc@gcc.gnu.org, pinskia@gcc.gnu.org
Subject: Re: The reincarnation of PR15242
References: <4AA530D2.8070706@redhat.com>
From: Ian Lance Taylor <iant@google.com>
Date: Tue, 08 Sep 2009 21:18:00 -0000
In-Reply-To: <4AA530D2.8070706@redhat.com> (Andrew Haley's message of "Mon\, 07 Sep 2009 17\:12\:02 +0100")
Message-ID: <m3bpllxhj6.fsf@google.com>
User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-System-Of-Record: true
X-IsSubscribed: yes
Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc.gcc.gnu.org>
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
X-SW-Source: 2009-09/txt/msg00175.txt.bz2

Andrew Haley <aph@redhat.com> writes:

> This seems to be an an old bug that has come back.  We're generating
>
> L1210:
>         jmp     *%eax
> .L4:
> .L5:
>         ...
>         jmp     .L1210
> .L1171:
> .L1172:
>         ...
>         jmp     .L1210
> .L1168:
> .L1169:
>         ...
>         jmp     .L1210
>
>
> instead of
>
> .L1210:
>         jmp     *%eax
> .L4:
> .L5:
>         ...
>         jmp     *%eax
> .L1171:
> .L1172:
>         ...
>         jmp     *%eax
> .L1168:
> .L1169:
>         ...
>         jmp     *%eax
>
> Current gcc trunk, x86, gcc -O3 ef.i  -S -m32.
>
> Attachment in old Bugzilla entry at
> http://gcc.gnu.org/bugzilla/attachment.cgi?id=6206&action=view


We should have something like this in the testsuite.

Ian