From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-351928-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 31707 invoked by alias); 30 Mar 2011 17:43:31 -0000
Received: (qmail 31696 invoked by uid 22791); 30 Mar 2011 17:43:30 -0000
X-SWARE-Spam-Status: No, hits=-2.9 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from localhost (HELO gcc.gnu.org) (127.0.0.1)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 30 Mar 2011 17:43:10 +0000
From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/48371] New: [4.7 Regression] bootstrap failure
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: bootstrap
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: hjl.tools at gmail dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Changed-Fields:
Message-ID: <bug-48371-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Date: Wed, 30 Mar 2011 18:07:00 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2011-03/txt/msg03241.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48371

           Summary: [4.7 Regression] bootstrap failure
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86, revision171734 failed to bootstrap:

http://gcc.gnu.org/ml/gcc-regression/2011-03/msg00594.html
http://gcc.gnu.org/ml/gcc-regression/2011-03/msg00595.html

../../src-trunk/libiberty/floatformat.c: In function 'floatformat_from_double':
../../src-trunk/libiberty/floatformat.c:699:1: error: insn does not satisfy its
constraints:
(insn 159 157 278 17 (parallel [
            (set (reg:SI 21 xmm0)
                (unsigned_fix:SI (reg/v:DF 22 xmm1 [orig:102 mant ] [102])))
            (use (reg:V2DF 179))
            (clobber (reg:V2DF 23 xmm2))
            (clobber (reg:V2DF 24 xmm3))
        ]) ../../src-trunk/libiberty/floatformat.c:675 115 {*fixuns_truncdf_1}
     (expr_list:REG_EQUAL (unsigned_fix:SI (reg/v:DF 22 xmm1 [orig:102 mant ]
[102]))
        (nil)))
../../src-trunk/libiberty/floatformat.c:699:1: internal compiler error: in
reload_cse_simplify_operands, at postreload.c:403
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Revision 171729 is OK.