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Re: target/5379: internal error: Segmentation fault (prefetch related?)
- From: Janis Johnson <janis187 at us dot ibm dot com>
- To: nobody at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 18 Jan 2002 00:26:02 -0000
- Subject: Re: target/5379: internal error: Segmentation fault (prefetch related?)
- Reply-to: Janis Johnson <janis187 at us dot ibm dot com>
The following reply was made to PR target/5379; it has been noted by GNATS.
From: Janis Johnson <janis187@us.ibm.com>
To: ritzert@t-online.de
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: target/5379: internal error: Segmentation fault (prefetch related?)
Date: Thu, 17 Jan 2002 16:20:51 -0800
On Mon, Jan 14, 2002 at 06:59:52PM -0000, ritzert@t-online.de wrote:
>
> >Number: 5379
> >Category: target
> >Synopsis: internal error: Segmentation fault (prefetch related?)
> >Class: ice-on-legal-code
> >Arrival-Date: Mon Jan 14 11:06:30 PST 2002
> >Originator: ritzert@t-online.de
> >Release: gcc version 3.1 20020114 (experimental)
> >Environment:
> Linux 2.4.16, Athlon
> >Description:
> # gcc -c x.c -fprefetch-loop-arrays -march=athlon -O2
> x.c: In function `_KDE_IceGetPoValidAuthIndices':
> x.c:33: internal error: Segmentation fault
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> >How-To-Repeat:
> Compile the attached file with
> gcc -c x.c -fprefetch-loop-arrays -march=athlon -O2
I'm currently testing a fix for this and hope to submit the patch
within a day or two. The problem is related to prefetch and is
specific to x86 targets.
Janis