From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by sourceware.org (Postfix) with ESMTPS id 2454F3858288 for ; Thu, 14 Sep 2023 08:35:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 2454F3858288 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linux.ibm.com Received: from pps.filterd (m0360072.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38E8Vdpg030962; Thu, 14 Sep 2023 08:35:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=vpghLMc2jxOXya/hZgFk93I38jCUEDIdd30wEqEdXl8=; b=O+6Fm2qPQVSMH+i5hLSFH4RA6LRgkpWk5co72wqzNCBVdO6dMRCxmPg97+9C0+F/K6AH RTukw9jFjI94TQ1rdvhkwout/ll8Ob1ZWjMBLH4q9votcHK9uvedp0RnXQ9MByvIPBL9 vmzjEg2ZdhAZRXjuN+zWslfINnabPJjCHIb4sddi186YZCuiuYG3gtG3VZ8k6mI/dU7m Bko8svjwNnmREl1PIUIoriSzCem1z9FlROT6SPlMGLrD+w78BNFXYUA844AXhAIoxZTE D2NVefiivwqkaoyaycLlalRTNPnCe3b4RBOm2DK3D0gL/we1trT2tfvmA6x2qNJ03a3s pA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3t3xr405sk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 08:35:11 +0000 Received: from m0360072.ppops.net (m0360072.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 38E8W9Da001808; Thu, 14 Sep 2023 08:35:10 GMT Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3t3xr405ru-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 08:35:10 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 38E6dS3Y002367; Thu, 14 Sep 2023 08:35:09 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3t158kh6s9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 14 Sep 2023 08:35:09 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 38E8Z6aV17891994 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Sep 2023 08:35:06 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B4F7820040; Thu, 14 Sep 2023 08:35:06 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 42C3820043; Thu, 14 Sep 2023 08:35:05 +0000 (GMT) Received: from [9.200.102.40] (unknown [9.200.102.40]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 14 Sep 2023 08:35:04 +0000 (GMT) Message-ID: Date: Thu, 14 Sep 2023 16:35:03 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH-1v2, rs6000] Enable SImode in FP registers on P7 [PR88558] Content-Language: en-US To: "Kewen.Lin" Cc: Segher Boessenkool , David , Peter Bergner , gcc-patches References: <9d7a1744-a01c-b54f-5818-7772f0c06b9b@linux.ibm.com> From: HAO CHEN GUI In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: rUh-VU1KlgKMIJzFD85HQfOfBVeUhv4e X-Proofpoint-ORIG-GUID: A8VG6hEtQyJXN8rK50V1aY2ZBs6UbrpI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-14_06,2023-09-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 spamscore=0 impostorscore=0 mlxlogscore=835 mlxscore=0 phishscore=0 clxscore=1015 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309140073 X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi Kewen, 在 2023/9/12 17:33, Kewen.Lin 写道: > Ok, at least regression testing doesn't expose any needs to do disparaging > for this. Could you also test this patch with SPEC2017 for P7 and P8 > separately at options like -O2 or -O3, to see if there is any assembly > change, and if yes filtering out some typical to check it's expected or > not? I think it can help us to better evaluate the impact. Thanks! Just compared the object files of SPEC2017 for P7 and P8. There is no difference between P7s'. For P8, some different object files are found. All differences are the same. Patched object files replace xxlor with fmr. It's expected as the fmr is added to ahead of xxlor in "*movsi_internal1". Thanks Gui Haochen