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Date: Wed, 20 Feb 2002 10:06:00 -0000
Message-ID: <20020220180603.1863.qmail@sources.redhat.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
From: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
Subject: Re: target/5736: bootstraping CVS HEAD on powerpc fails in
  checked build
Reply-To: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
X-SW-Source: 2002-02/txt/msg00509.txt.bz2
List-Id: <gcc-prs.sourceware.org>

The following reply was made to PR target/5736; it has been noted by GNATS.

From: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
To: pthomas@suse.de
Cc: Aldy Hernandez <aldyh@redhat.com>,gcc-gnats@gcc.gnu.org,aj@suse.de,
 dje@watson.ibm.com
Subject: Re: target/5736: bootstraping CVS HEAD on powerpc fails in
  checked build
Date: Wed, 20 Feb 2002 18:56:29 +0100

 At 18:14 20.02.2002, pthomas@suse.de wrote:
 
 > >Number:         5736
 > >Category:       target
 > >Synopsis:       bootstraping CVS HEAD on powerpc fails in checked build
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    unassigned
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Wed Feb 20 09:16:01 PST 2002
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     pthomas@suse.de
 > >Release:        3.1 20020220
 > >Organization:
 > >Environment:
 >powerpc-suse-linux-gnu
 >
 >gcc configured with:
 >--enable-shared --with-system-zlib --enable-threads 
 >--host=powerpc-suse-linux-gnu --target=powerpc-suse-linux-gnu 
 >--build=powerpc-suse-linux-gnu --enable-checking=misc,tree,rtl,gc,gcac
 >Thread model: posix
 >
 > >Description:
 >Bootstrapping CVS HEAD with -O2 fails when compiling libgcc2, specifically 
 >_negdi2 with
 >cc1: RTL check: expected code `const_int', have `plus' in 
 >rs6000_legitimate_address, at config/rs6000/rs6000.c:2014
 
 Hmm, looking at the code I would think this line in LEGITIMATE_OFFSET_ADDRESS_P
 
    && (! ALTIVEC_VECTOR_MODE (MODE) || INTVAL (X) == 0)
 
 should actually read
 
    && (! ALTIVEC_VECTOR_MODE (MODE) || INTVAL (XEXP (X, 1)) == 0)
 
 ? Aldy?
 
 Maybe this even causes PR 5693?
 
 Franz.