From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-prs-return-13867-listarch-gcc-prs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 15897 invoked by alias); 14 Jan 2002 18:46:03 -0000
Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc-prs/>
List-Post: <mailto:gcc-prs@gcc.gnu.org>
List-Help: <mailto:gcc-prs-help@gcc.gnu.org>
Sender: gcc-prs-owner@gcc.gnu.org
Received: (qmail 15826 invoked by uid 71); 14 Jan 2002 18:46:02 -0000
Resent-Date: 14 Jan 2002 18:46:02 -0000
Resent-Message-ID: <20020114184602.15825.qmail@sources.redhat.com>
Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer)
Resent-To: nobody@gcc.gnu.org
Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org
Resent-Reply-To: gcc-gnats@gcc.gnu.org, ritzert@t-online.de
Received:(qmail 11714 invoked by uid 61); 14 Jan 2002 18:36:40 -0000
Message-Id:<20020114183640.11710.qmail@sources.redhat.com>
Date: Mon, 14 Jan 2002 10:46:00 -0000
From: ritzert@t-online.de
Reply-To: ritzert@t-online.de
To: gcc-gnats@gcc.gnu.org
X-Send-Pr-Version:gnatsweb-2.9.3 (1.1.1.1.2.31)
Subject: target/5378: ICE: unrecognizable insn prefetch
X-SW-Source: 2002-01/txt/msg00518.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         5378
>Category:       target
>Synopsis:       ICE: unrecognizable insn prefetch
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 14 10:46:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     ritzert@t-online.de
>Release:        gcc version 3.1 20020114 (experimental)
>Organization:
>Environment:
Linux 2.4.16, Athlon
>Description:
# gcc -c a.c -fprefetch-loop-arrays -march=athlon -O2
a.c: In function `KDE_IceOpenConnection':
a.c:15: unrecognizable insn:
(insn 154 81 31 (prefetch (plus:SI (reg/f:SI 72)
            (const_int 384 [0x180]))
        (const_int 1 [0x1])
        (const_int 3 [0x3])) -1 (nil)
    (nil))
a.c:15: Internal compiler error in extract_insn, at recog.c:2129
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 a.c -fprefetch-loop-arrays -march=athlon -O2
>Fix:
Do not use optimization or -fprefetch-loop-arrays.
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: text/x-csrc; name="a.c"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="a.c"

dm9pZApLREVfSWNlT3BlbkNvbm5lY3Rpb24gKCkKewogICAgaW50IF9LREVfSWNlQXV0aENvdW50
OwogICAgaW50IGksIGo7CiAgICBpbnQgYXV0aFVzYWJsZUNvdW50OwogICAgaW50IGF1dGhVc2Fi
bGVGbGFnc1szMl07CgogICAgZm9yIChpID0gMDsgaSA8IF9LREVfSWNlQXV0aENvdW50OyBpKysp
CiAgICB7CiAgICAgICAgYXV0aFVzYWJsZUZsYWdzW2ldID0gMDsKICAgICAgICBmb3IgKGogPSAw
OyBqIDwgYXV0aFVzYWJsZUNvdW50OyBqKyspCiAgICAgICAgICAgIGF1dGhVc2FibGVGbGFnc1tp
XSA9IDA7CiAgICB9Cn0KCg==