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 AC0573858D32; Thu, 13 Apr 2023 05:35:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AC0573858D32 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 (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33D4I80q017365; Thu, 13 Apr 2023 05:35:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=mime-version : date : from : to : cc : subject : in-reply-to : references : message-id : content-type : content-transfer-encoding; s=pp1; bh=nEF4eeZGPx+5bwPsggNveLO9PNJFZo7Cr7Ocrh6Q62A=; b=SNPEcPbIC2dpuOFHYXvPAS3guPOck/own90Lp8RUUkZ+LDagijxsFe0nL141EBallos2 7ftFthS8Y9ga/qLz1hxMgazIq1pnLuv40ExTg9K5r26nft3ENgMFSWBsALJwkCGjXL9J wpn39C0Zr1QUbS6Nq/1SIkaEhlIF+d44ltQ6iLhWATM+FR/XzPYDvKV26l/OE+flsl/B LGmUfxw3nLscCaPYeXi2BGFx5pEjMV8A07byR0GHomF3qu50BGkRIp7OckdBNV7AsBS5 jH66xFArd3lmiH9NmCuYS5m/GiLqZ0pXaHghdvpXBPKC86edB/1cjRIoGbtCjx7UH5eX Qw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3pxak7ahg8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); 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Thu, 13 Apr 2023 05:35:05 GMT Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 490F558065; Thu, 13 Apr 2023 05:35:05 +0000 (GMT) Received: from smtpav04.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EE3925805E; Thu, 13 Apr 2023 05:35:04 +0000 (GMT) Received: from ltc.linux.ibm.com (unknown [9.5.196.140]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 13 Apr 2023 05:35:04 +0000 (GMT) MIME-Version: 1.0 Date: Thu, 13 Apr 2023 13:35:04 +0800 From: guojiufu To: Jiufu Guo Cc: Jiufu Guo via Gcc-patches , Segher Boessenkool , "Kewen.Lin" , dje.gcc@gmail.com, linkw@gcc.gnu.org, meissner@linux.ibm.com Subject: Re: [PATCH] testsuite: update requires for powerpc/float128-cmp2-runnable.c In-Reply-To: References: <20230410020941.2440885-1-guojiufu@linux.ibm.com> <11b29ca1-cd23-1a48-4ad8-3b472d38fd2f@linux.ibm.com> <71ed6f665ae2ed9678d8dc4ec0f620ce@linux.ibm.com> <13ec00da-587b-847d-c26b-98cf463f21ac@linux.ibm.com> <20230411151335.GB19790@gate.crashing.org> <7nzg7d8z9t.fsf@ltcden2-lp1.aus.stglabs.ibm.com> <7no7nt8y4d.fsf@ltcden2-lp1.aus.stglabs.ibm.com> Message-ID: <0dbc093a4912f079db61160a3637352f@linux.ibm.com> X-Sender: guojiufu@linux.ibm.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Llc68p5wHQmWS3GZuIb88d1QaSKmnbt1 X-Proofpoint-ORIG-GUID: BG34A_KwKjNv537w4GnEOSc7-_geanir X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-13_01,2023-04-12_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 mlxlogscore=578 spamscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304130050 X-Spam-Status: No, score=-5.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,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 Mike, On 2023-04-12 22:46, Michael Meissner wrote: > On Wed, Apr 12, 2023 at 01:31:46PM +0800, Jiufu Guo wrote: >> I understand that QP insns (e.g. xscmpexpqp) is valid if the system >> meets ISA3.0, no matter BE/LE, 32-bit/64-bit. >> I think option -mfloat128-hardware is designed for QP insns. >> >> While there is one issue, on BE machine, when compiling with options >> "-mfloat128-hardware -m32", an error message is generated: >> "error: '%<-mfloat128-hardware%>' requires '-m64'" >> >> (I'm wondering if we need to relax this limitation.) > > In the past, the machine independent portion of the compiler demanded > that for > scalar mode, there be an integer mode of the same size, since sometimes > moves > are converted to using an int RTL mode. Since we don't have TImode > support in > 32-bit, you would get various errors because something tried to do a > TImode > move for KFmode types, and the TImode wasn't available. > > If somebody wants to verify that this now works on 32-bit and/or > implements > TImode on 32-bit, then we can relax the restriction. Thanks a lot for pointing out this! BR, Jeff (Jiufu)