From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 42540 invoked by alias); 11 Dec 2017 14:30:38 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 42324 invoked by uid 89); 11 Dec 2017 14:30:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.8 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mx0a-001b2d01.pphosted.com Received: from mx0b-001b2d01.pphosted.com (HELO mx0a-001b2d01.pphosted.com) (148.163.158.5) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 11 Dec 2017 14:30:14 +0000 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vBBERNWq014143 for ; Mon, 11 Dec 2017 09:30:11 -0500 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 2esusug6kj-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 11 Dec 2017 09:30:10 -0500 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 11 Dec 2017 14:30:09 -0000 Received: from b06cxnps4075.portsmouth.uk.ibm.com (9.149.109.197) by e06smtp12.uk.ibm.com (192.168.101.142) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 11 Dec 2017 14:30:07 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id vBBEU6KB33226910; Mon, 11 Dec 2017 14:30:06 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8766411C052; Mon, 11 Dec 2017 14:24:28 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7656811C04C; Mon, 11 Dec 2017 14:24:28 +0000 (GMT) Received: from oc3748833570.ibm.com (unknown [9.152.213.29]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 11 Dec 2017 14:24:28 +0000 (GMT) Received: by oc3748833570.ibm.com (Postfix, from userid 1000) id A16C0D80340; Mon, 11 Dec 2017 15:30:06 +0100 (CET) Subject: Re: Regression on i686 host: gdb.base/floatn.exp: [RFC v2][2/2] Target FP: Make use of MPFR if available To: uweigand@de.ibm.com (Ulrich Weigand) Date: Mon, 11 Dec 2017 14:30:00 -0000 From: "Ulrich Weigand" Cc: jan.kratochvil@redhat.com (Jan Kratochvil), gdb-patches@sourceware.org In-Reply-To: <20171211141405.0A61FD80340@oc3748833570.ibm.com> from "Ulrich Weigand" at Dec 11, 2017 03:14:04 PM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 17121114-0008-0000-0000-000004B5C584 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17121114-0009-0000-0000-00001E48CCB6 Message-Id: <20171211143006.A16C0D80340@oc3748833570.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-12-11_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1712110216 X-SW-Source: 2017-12/txt/msg00235.txt.bz2 > Jan Kratochvil wrote: > > On Sun, 10 Dec 2017 16:09:56 +0100, Jan Kratochvil wrote: > > > Hi Ulrich, > > > > > > 2400729ecfd2c7be8b18aeaa822fef5a4b503f8a is the first bad commit > > > commit 2400729ecfd2c7be8b18aeaa822fef5a4b503f8a > > > Author: Ulrich Weigand > > > Date: Wed Nov 22 13:53:43 2017 +0100 > > > Target FP: Make use of MPFR if available > > > > > > FAIL: gdb.base/floatn.exp: the original value of f128 is 3.375 > > > FAIL: gdb.base/floatn.exp: try to change f128 to -3.375 with 'print f128=-3.375' > > > FAIL: gdb.base/floatn.exp: the value of f128 is changed to 30.375 > > > FAIL: gdb.base/floatn.exp: the original value of c128 is 3.375 + 1 * I > > > > I have seen now also there, that will be probably the same, I did not check > > more: > > -PASS: gdb.base/float128.exp: try to change f128 to -2.375 with 'print f128=-2.375l' > > +FAIL: gdb.base/float128.exp: try to change f128 to -2.375 with 'print f128=-2.375l' > > -PASS: gdb.base/float128.exp: the value of f128 is changed to 20.375 > > +FAIL: gdb.base/float128.exp: the value of f128 is changed to 20.375 > > +FAIL: gdb.base/float128.exp: print large128 > > Hi Jan, > > I was able to reproduce this problem by building GDB itself as a 32-bit binary. > > I'm currently testing a fix ... Fix pushed as f2f9e7ecc1f02bfe5da83c38cf356ea96d428c6d. Bye, Ulrich -- Dr. Ulrich Weigand GNU/Linux compilers and toolchain Ulrich.Weigand@de.ibm.com