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 1DB253858D32 for ; Mon, 27 Feb 2023 12:28:11 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 1DB253858D32 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 31RBFEVm016923 for ; Mon, 27 Feb 2023 12:28:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=v8IjGXAyO8tbfOLD6UgdwL/4b+cHU//EuaIWGP+Xlqc=; b=HXRgD/LGK3T9EgP4s6to1CZI+n0uT528adlzHPfOe0gB1vecrdeyprunFRm5aYt82ARI taZyKUsp2vaZ4jhrRUzw7gJ3JGl2MC1V+Xh103C/t2MEdOuHFkQI7j/IqlSiV8qt3LJu tKxQwbT7IIF0XV41LfJYrVuDuQyKFoHrXQebQkTSjDXr2xmyFoYUhDBHEwkPI4KPp09O OJwIG7SjYC7hPx5WtwdmjhV/Msn7IC2ltKpbB3+U1yceEZ4NdGd7FELwhB+/gUeimnMM D+4KdXJsfrDnGyVKz5Q8dK/NBwK0ndeQRlwwXqTeMAuYBKtdRB2ivCzdShUX11SUqPWI eg== Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3p0ufs1nem-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 27 Feb 2023 12:28:10 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 31R95WBo013004 for ; Mon, 27 Feb 2023 12:28:08 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma06ams.nl.ibm.com (PPS) with ESMTPS id 3nybcq1ygh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 27 Feb 2023 12:28:08 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 31RCS4HW15270258 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 Feb 2023 12:28:04 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 863A220040; Mon, 27 Feb 2023 12:28:04 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 59F2F20043; Mon, 27 Feb 2023 12:28:04 +0000 (GMT) Received: from [9.179.18.98] (unknown [9.179.18.98]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 27 Feb 2023 12:28:04 +0000 (GMT) Message-ID: Date: Mon, 27 Feb 2023 13:28:04 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] s390: Add LEN_LOAD/LEN_STORE support. To: Robin Dapp , GCC Patches References: <4a42f530-cd67-6bd8-3f3d-1e7a68bffea1@linux.ibm.com> <1fdb8da3-707f-3483-d0ef-2ffb9c613e11@linux.ibm.com> Content-Language: en-US From: Andreas Krebbel In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ZtVUvElYZXvCL5nLxUCWvS6Y7XZkE2Gw X-Proofpoint-ORIG-GUID: ZtVUvElYZXvCL5nLxUCWvS6Y7XZkE2Gw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-27_08,2023-02-27_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 clxscore=1015 mlxlogscore=867 phishscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302270094 X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,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: On 2/27/23 11:13, Robin Dapp wrote: >> Do you really need a copy of the address register? Couldn't you just do a >> src = adjust_address (operands[1], BLKmode, 0); >> You create a paradoxical subreg of the QImode input but vll actually >> uses the whole 32 bit value. Couldn't we end up with uninitialized >> bytes being used as part of the length then? Do we need a zero-extend >> here? > > v2 attached with these problems addressed. > > Testsuite and bootstrap as before. Ok. Thanks! Andreas