From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by sourceware.org (Postfix) with ESMTPS id 722493857C69 for ; Mon, 16 Nov 2020 04:45:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 722493857C69 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AG4VO8L024054; Sun, 15 Nov 2020 23:45:42 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 34ufb2kmjk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 15 Nov 2020 23:45:42 -0500 Received: from m0098420.ppops.net (m0098420.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 0AG4XGDA027750; Sun, 15 Nov 2020 23:45:41 -0500 Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0b-001b2d01.pphosted.com with ESMTP id 34ufb2kmjf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 15 Nov 2020 23:45:41 -0500 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AG4h86G021649; Mon, 16 Nov 2020 04:45:41 GMT Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by ppma05wdc.us.ibm.com with ESMTP id 34t6v8mexe-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 16 Nov 2020 04:45:41 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AG4jeTp9700032 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 16 Nov 2020 04:45:40 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A7EE9AC05B; Mon, 16 Nov 2020 04:45:40 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 389C8AC059; Mon, 16 Nov 2020 04:45:40 +0000 (GMT) Received: from ibm-toto.the-meissners.org (unknown [9.65.203.26]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTPS; Mon, 16 Nov 2020 04:45:40 +0000 (GMT) Date: Sun, 15 Nov 2020 23:45:38 -0500 From: Michael Meissner To: gcc-patches@gcc.gnu.org, Michael Meissner , Segher Boessenkool , David Edelsohn , Bill Schmidt , Peter Bergner Subject: [PATCH 0/2] Power10 IEEE 128-bit min, max, cmove Message-ID: <20201116044538.GA2478@ibm-toto.the-meissners.org> Mail-Followup-To: Michael Meissner , gcc-patches@gcc.gnu.org, Segher Boessenkool , David Edelsohn , Bill Schmidt , Peter Bergner MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312, 18.0.737 definitions=2020-11-16_01:2020-11-13, 2020-11-16 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=999 mlxscore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011160023 X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, 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: Mon, 16 Nov 2020 04:45:44 -0000 These two patches add support for the XSMAXCQP, XSMINCQP, XSCMP{EQ,GT,GE}QP instructions in the Power10. These instructions allow the compiler to generate minimum, maxmimum, and conditional move support for IEEE 128-bit floating point type. I have posted versions of these patches before, going back to at least the June time frame. Because I wanted to focus on getting support in the library to allow long double to be configured as IEEE 128-bit on little endian PowerPC server systems, I haven't reposted these patches in awhile. While the other patches are more important, it would be nice to get these patches into GCC 11. In these patches, I attempted to address various comments from the previous times I posted the patches. There are 2 patches in this set. The first adds the min/max support if -ffast-math is used. The second adds conditional move support, and it enables the min/max to be generated more often. I have done bootstrap compilers on both little endian power9 systems and big endian power8 system many time. I would like to commit these patches to the master branch. -- 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