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 E8B383858D32 for ; Mon, 30 Jan 2023 02:52:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E8B383858D32 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 (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30U2lDEQ028159; Mon, 30 Jan 2023 02:52:43 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=bRY+dClRDPlSFk+KHmk7WKuJ3eG+b73Ba0hAU9WaXMQ=; b=Wl72nWKy0q1fqhiTUFTMiCwmkkITR8P1VWcu5Sb5VwooVO2rgyWOaTDdjH1Gfy72NH8a zKfmp0Jnqqoa3JflkfnDKpxLPJKcmaK0BSDghG8ZqsvEj4kSHcCJWW5eKK48GunVS7HC 5KFJ58YqPg/lc5P9y05tZqJWr+ZuK6j7E6QTtOfS2rDsvCUrlT0/5S9ljBBMPqdr6nxY FOV6ICt9bFi1nQ0wkcoVZM7+ZovGZdZp8fKuYJDs2AbJM4A8OKAzcWpEJVXK2x30yhdL 04ImfMcO6Hcy/a7Raq5vFwzca91aGPBHaVL7GP4v35/F6i5z32/DVM4GlycnRegirJme cg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ndds8bc2w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Jan 2023 02:52:43 +0000 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 30U2n8Xd036232; Mon, 30 Jan 2023 02:52:42 GMT Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3ndds8bc2n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Jan 2023 02:52:42 +0000 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 30U26hxJ025825; Mon, 30 Jan 2023 02:52:42 GMT Received: from smtprelay04.dal12v.mail.ibm.com ([9.208.130.102]) by ppma03dal.us.ibm.com (PPS) with ESMTPS id 3ncvtraqes-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 30 Jan 2023 02:52:41 +0000 Received: from smtpav02.dal12v.mail.ibm.com (smtpav02.dal12v.mail.ibm.com [10.241.53.101]) by smtprelay04.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 30U2qeLm10289720 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 30 Jan 2023 02:52:40 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 788A85805A; Mon, 30 Jan 2023 02:52:40 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E663458051; Mon, 30 Jan 2023 02:52:39 +0000 (GMT) Received: from toto.the-meissners.org (unknown [9.65.233.34]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTPS; Mon, 30 Jan 2023 02:52:39 +0000 (GMT) Date: Sun, 29 Jan 2023 21:52:38 -0500 From: Michael Meissner To: Michael Meissner , Segher Boessenkool , gcc-patches@gcc.gnu.org, "Kewen.Lin" , David Edelsohn , Peter Bergner , Will Schmidt Subject: Re: [PATCH 0/6] PowerPC Dense Math prelimary support (-mcpu=future) Message-ID: Mail-Followup-To: Michael Meissner , Segher Boessenkool , gcc-patches@gcc.gnu.org, "Kewen.Lin" , David Edelsohn , Peter Bergner , Will Schmidt References: <20230127195900.GS25951@gate.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: vDuO5uze4jHsPYUZg_r-vVvNRRHPLni- X-Proofpoint-GUID: fpzf-6VI6nEpD90OirTsfgLx2t_eKwPn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-30_01,2023-01-27_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 mlxlogscore=777 spamscore=0 adultscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301300023 X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,KAM_MANYTO,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Sat, Jan 28, 2023 at 02:29:04AM -0500, Michael Meissner wrote: > On Fri, Jan 27, 2023 at 01:59:00PM -0600, Segher Boessenkool wrote: > > > There is one bug that I noticed. When you use the full DMR instruction the > > > constant copy propagation patch issues internal errors. I believe this is due > > > to the CCP pass not handling opaque types cleanly enough, and it only shows up > > > in larger types. I would like to get these patches committed, and then work > > > the maintainers of the CCP to fix the problem. > > > > Erm. If the compiler ICEs, we can not include this code. But hopefully > > you mean something else? > > I realize we can't include the code for final release. But as a temporary > measure I was hoping we would put in the code, we could allow somebody more > familar with ccp to debug it. Then if there were changes needed in the PowerPC > back end, we could make them, once ccp was fixed. > > But that is a moot point, ccp no longer dies with the code, so I have removed > the comment and the no tree ccp option in the next set of patches. Unfortunately, while it worked on my x86 as a cross compiler, when I did the builds for real, it is a problem, so I will need to look into it. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meissner@linux.ibm.com