From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id 8F1E13851C2C for ; Sat, 27 Jun 2020 05:50:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 8F1E13851C2C Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 05R53OJt116427; Sat, 27 Jun 2020 01:50:53 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 31wy0uscg9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 27 Jun 2020 01:50:53 -0400 Received: from m0098393.ppops.net (m0098393.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 05R5fDor055856; Sat, 27 Jun 2020 01:50:52 -0400 Received: from ppma01wdc.us.ibm.com (fd.55.37a9.ip4.static.sl-reverse.com [169.55.85.253]) by mx0a-001b2d01.pphosted.com with ESMTP id 31wy0uscfv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 27 Jun 2020 01:50:52 -0400 Received: from pps.filterd (ppma01wdc.us.ibm.com [127.0.0.1]) by ppma01wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 05R5nmiw020664; Sat, 27 Jun 2020 05:50:51 GMT Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by ppma01wdc.us.ibm.com with ESMTP id 31wwr80qtb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 27 Jun 2020 05:50:51 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 05R5omhu14614966 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 27 Jun 2020 05:50:48 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 89E5FBE051; Sat, 27 Jun 2020 05:50:50 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 363EFBE054; Sat, 27 Jun 2020 05:50:50 +0000 (GMT) Received: from ibm-tinman.the-meissners.org (unknown [9.163.31.42]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTPS; Sat, 27 Jun 2020 05:50:50 +0000 (GMT) Date: Sat, 27 Jun 2020 01:50:48 -0400 From: Michael Meissner To: Segher Boessenkool Cc: Michael Meissner , gcc-patches@gcc.gnu.org, David Edelsohn Subject: Re: [PATCH 7/7] PowerPC test: Add prefixed stack protect test Message-ID: <20200627055048.GB27951@ibm-tinman.the-meissners.org> Mail-Followup-To: Michael Meissner , Segher Boessenkool , gcc-patches@gcc.gnu.org, David Edelsohn References: <1591041222-24243-1-git-send-email-meissner@linux.ibm.com> <1591041222-24243-8-git-send-email-meissner@linux.ibm.com> <20200625171842.GF3598@gate.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200625171842.GF3598@gate.crashing.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-27_02:2020-06-26, 2020-06-27 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 cotscore=-2147483648 spamscore=0 phishscore=0 mlxscore=0 suspectscore=0 impostorscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006270035 X-Spam-Status: No, score=-5.3 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Jun 2020 05:50:55 -0000 On Thu, Jun 25, 2020 at 12:18:42PM -0500, Segher Boessenkool wrote: > Hi! > > On Mon, Jun 01, 2020 at 03:53:42PM -0400, Michael Meissner wrote: > > Test that stack protection generates prefixed stack instructions if you are > > using large stack frame for -mcpu=future. > > > > 2020-06-01 Michael Meissner > > > > * gcc.target/powerpc/prefix-stack-protect.c: New test. > > > +/* { dg-do compile } */ > > +/* { dg-require-effective-target powerpc_prefixed_addr } */ > > Is this test necessary anymore, does -mcpu=power10 not guarantee that? I believe the test is necessary to prevent regressions. As I said in the test, we stumbled on this problem when building GLIBC with -mcpu=future/power10. > Okay for trunk with that looked at. Thanks! -- Michael Meissner, IBM IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA email: meissner@linux.ibm.com, phone: +1 (978) 899-4797