From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by sourceware.org (Postfix) with ESMTPS id BABC4385AF90 for ; Tue, 25 Jul 2023 22:18:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org BABC4385AF90 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=oracle.com Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36PJIr1H029482 for ; Tue, 25 Jul 2023 22:18:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : in-reply-to : references : date : message-id : content-type : mime-version; s=corp-2023-03-30; bh=UTqDmzt5cCxYuk7T8RWAvFOzhxmbM3FADI5e+rvHe0s=; b=PeTznS7rtJP60lo6GNyzyo+xU02AMuzeTSXGu1oLvndSLkIFPDc7DjcnwxcPxey+/yjs /8IhZNI4GgdnfA6fZIR2ShE3gTEQ97kPwjjirJ0lKgZTfTz7H8cTDozojQRP+a5OYS8L YD15Qev9r1BopQRabXe76XwcLTF0NJSmlJfbt6XGSBOi3AUncnQ0CIzye+qxRipuOfy2 Yd/LApqiilAJdRXmWTb8lE/A68dMgwjZtco+0gzjscMmYBABRuydLag74v8gGql5TyU7 6ZaEHskINqzHqsVucHQmwzvBJtQOgZN6KAgBbWe6+bG33C5r8aobP6zoGamdFvE8/Z8A fw== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3s05q1x8rf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 25 Jul 2023 22:18:49 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 36PLx5GV029536 for ; Tue, 25 Jul 2023 22:18:48 GMT Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2168.outbound.protection.outlook.com [104.47.58.168]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3s05j5dfkq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 25 Jul 2023 22:18:48 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=egwDQZAYn9R01uno5XT9dyPhBH3vtIACuPdrVxnm9VhYiYTnKF0EQcrnJay0rTcPJVZyk8AA33d6jXZkrehuEBTIwCONTSq8H8kFJA7r4WtGiKA92pZ5yIcVYerAbHP3pydWhuBDumgmlwnX04QJhJdgBu5Zv5jTb/UibfTYALXgJfA7Q2C9I5gJF4OzxQgTEYn/r9VD9Pbjq8gB3nRC93YidOLYSKQ0gWg9LVbrC2yFgnqX+MjH7jgWGWcP3O/dJZImspWXeta+s/8YT6luQogLd2CZ3MvVfd1+98e98Yw+BTz1YvNernRgym8viCj6HMUyS1u4zwPx/7RsbDQk/A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=UTqDmzt5cCxYuk7T8RWAvFOzhxmbM3FADI5e+rvHe0s=; b=d6fb+8rL2XAYhP0oAVzYj+xwrkU8TIzTJkP7YhNh+QsS3m1EltQRqMQCRWmd+ffZPzwcHdHT2Bu4bPJcEtJrhQcxU5XDoToh85HAxXiOzjm/qI6B6XUdbtV+rhY6S/orB4PzS7xckg2qrTD5ZxQxmNAZk30IgzG9/r6kpuzCri7wZavVueQNILnGbbTaMqjYrWO9pENn4oikoNCK9neUKz6aDjWMhVwLEikj0ILf2hOzBetAGSKBZRpVk7B14mHp+ejoXkCRdMRiSjAzxHOKDb+CZ70cmSeUy3oy7xpdRz/vh/E+Zo/g7W7lXfgAm8+rF+0mCIaP5I2rOdcN0MCY9Q== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=UTqDmzt5cCxYuk7T8RWAvFOzhxmbM3FADI5e+rvHe0s=; b=XAt/8es128Mx+EyT5fNu/2p9cR08DOW1a1vohrv7KXqHCh6FAqz78Ufn+IeWYSDFTQb49SBbAN5BC0MHRpm9BIMdnOfo+YB9kAoxlyHzN3eP+D07GUCBa2IVWhU9fqLq1tRNQ22DTcyKjWHiunPDvoACve38dzMqili2LeW3hI0= Received: from BYAPR10MB2888.namprd10.prod.outlook.com (2603:10b6:a03:88::32) by PH0PR10MB5778.namprd10.prod.outlook.com (2603:10b6:510:12b::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6609.33; Tue, 25 Jul 2023 22:18:46 +0000 Received: from BYAPR10MB2888.namprd10.prod.outlook.com ([fe80::d5ed:aedb:b99f:6f19]) by BYAPR10MB2888.namprd10.prod.outlook.com ([fe80::d5ed:aedb:b99f:6f19%3]) with mapi id 15.20.6609.032; Tue, 25 Jul 2023 22:18:46 +0000 From: "Jose E. Marchesi" To: David Faust Cc: gcc-patches@gcc.gnu.org Subject: Re: [PATCH 2/2] bpf: add v3 atomic instructions In-Reply-To: <20230725220821.11431-2-david.faust@oracle.com> (David Faust's message of "Tue, 25 Jul 2023 15:08:21 -0700") References: <20230725220821.11431-1-david.faust@oracle.com> <20230725220821.11431-2-david.faust@oracle.com> Date: Wed, 26 Jul 2023 00:18:40 +0200 Message-ID: <87zg3j8wjj.fsf@oracle.com> User-Agent: Gnus/5.13 (Gnus v5.13) Content-Type: text/plain X-ClientProxiedBy: LO4P123CA0665.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:316::16) To BYAPR10MB2888.namprd10.prod.outlook.com (2603:10b6:a03:88::32) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BYAPR10MB2888:EE_|PH0PR10MB5778:EE_ X-MS-Office365-Filtering-Correlation-Id: 2a84d497-fadc-4225-4113-08db8d5d1d07 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR10MB2888.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(39860400002)(396003)(376002)(346002)(136003)(366004)(451199021)(26005)(186003)(4744005)(2906002)(6862004)(36756003)(8676002)(8936002)(478600001)(6666004)(37006003)(66476007)(6512007)(6486002)(6506007)(38100700002)(41300700001)(5660300002)(4326008)(66556008)(66946007)(6636002)(2616005)(86362001)(316002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?zD9BNjlO4lnnoZtVTZhmYMPARH5+qEhve36o/xxyglTjmsZCX6BORf6Xc8z+?= =?us-ascii?Q?/LfSIWH1PwCDPBgChdUKk1iVEn+Pv4m9AOileia2q73ffSSTNDwJJIR+zbCr?= =?us-ascii?Q?Wox1BlYPjt1mako41Z+cccN8rgKstSnzbIqrZfgcidn4YjMUndoIPWQv+Yg4?= =?us-ascii?Q?OZgK82V9uRykwv0ZysfZFpUp8esZ8dCkKqwYFPnvs8lm8Au6sEzyemRXmMsD?= =?us-ascii?Q?2ikhjc1p8zXyXDsHAs3ihdr+eOnvESj2syrGB48ioK7a2b+bKTDFcoz+7NJL?= =?us-ascii?Q?NwsS1YlbeGIi6Qnz7j8SP/T4zxe/WEYAOk54SlFtem3lby++93WVKuPjwQe4?= =?us-ascii?Q?iXw36CXeARMdZ22OO2RVYhvr+D939IugydokiPSK3bXqdxJtK+fP8XLkdG76?= =?us-ascii?Q?l/8YucNFzG4/LQden+XCGC9rCY9TiDXbh1UQFRJBh/VG57zBQ8pjQYk6YuXT?= =?us-ascii?Q?mk7MapVJ4EHtd02j70L8UxSV8h7rFLOp0+DhgLODTzwJqwzx8l+S8JVybnRw?= =?us-ascii?Q?NPIvzOnUKcJ5msJbXzuvDmBYNf/UVzqFxedANlbsxZGxTA5sfBK8zQLEIp/N?= =?us-ascii?Q?xQ+fgoL5zq09xGGBUZQsxr8vKFCMgqZMJmZvvSHdZFfRT7OjU4+jOuUHcez9?= =?us-ascii?Q?uakxoAYimvh1kSyvmcPg6CqOvo7KCT2/ydqsUSfMccQalKdzuLAwj59pSn7X?= =?us-ascii?Q?bV6EmRNUR+3bPIq0Ui6Un37EZb1RVEh0GqliSzwdLzwEF6Hhl3NvCxfpDhHq?= =?us-ascii?Q?KLZ0sbc5VG6vwPoGliEs5DJLAIu+HsNDPXnOm7YdXcL3bJskNLIMBKBCNSnP?= =?us-ascii?Q?JJ+embTrDBsr1cXoQZAeqdfE8/NyqKQ4cVdtdcBBJXu9boeO8YPDTkQ+qLax?= =?us-ascii?Q?eoEaqY/RpPJZ+uQkspuyevT8+yVWkKSgs9hzaNx3WtLVqJ/ItBxlxug3g0MO?= =?us-ascii?Q?RMxF8iJvoFqig3aKRE8h3NPCsEmuAVmuLvlLkfO6QNL0WhEEbmGzXKLXZnmy?= =?us-ascii?Q?LiLfzJQfF9QscPCQUuIY51s2WqUfM+6NJdipcQM69HtAgLvK9E5K6wbm6U8i?= =?us-ascii?Q?Zcd+KAcfxpc3z51dtByCR9et7BT08HaTO/Er/e9Uhq9O4GywBzCg+KYamYD1?= =?us-ascii?Q?WXdKPyFx2rJwku0DDQxq3LuvCi4yKUlG6aiVIcxsdyg/OlIYG5W/4t4vgR3s?= =?us-ascii?Q?/gLFFPrY3MTPmt/5dScai5Bz00kyraNz0jietGSNwuWhvPc4F6uCv7wP0UEE?= =?us-ascii?Q?THgTgLXgXyaWsm59Kl1QIuRBhmzf0emKe04VqSXRDMgcyon8SK6+7vDck8Ls?= =?us-ascii?Q?Yu/S2cvD2yYlZ/a596fWvDZWp5KhmlZJIXDI3hyqOeegcQUTR19RKw6gpYGJ?= =?us-ascii?Q?Kqke8iVhFZSFvnitjCbnOfHE2SzIUsyHSgBCT0mbZ2JCd4OLi2By9yOExW3J?= =?us-ascii?Q?PwsQZ57+n4ocCUYjfX5vFUPjYbZmPKD+Y6LPPuBICX33pHLp834OQJJh4OfZ?= =?us-ascii?Q?ikQWqWSELjd48gzKDwUOTMnzqEAKrXCw3qyGcuRvQh6cQgk/18Andq6LLnBj?= =?us-ascii?Q?NeGPL4zAgQCIBQ/2h4N9QV8r/rbEf3ZSITbPJ4EyKXeLObaQekb7krNLKTZ7?= =?us-ascii?Q?VA=3D=3D?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2a84d497-fadc-4225-4113-08db8d5d1d07 X-MS-Exchange-CrossTenant-AuthSource: BYAPR10MB2888.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jul 2023 22:18:46.2818 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: lSvoLU6FdqKQc8WNffCz4LliINthETXZXaDmQ80QkJiUdfLPJZNQMAjRM000vpzIJjBYQSm6+NRpdi7AWh4n3IJw7JcQS0W9BSN+ciaYuWI= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR10MB5778 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-25_12,2023-07-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 spamscore=0 adultscore=0 phishscore=0 mlxlogscore=666 malwarescore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307250191 X-Proofpoint-GUID: l_u8G7qCl9kkUaJ7qelJfKLcrFTIA-N_ X-Proofpoint-ORIG-GUID: l_u8G7qCl9kkUaJ7qelJfKLcrFTIA-N_ X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE 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 David. > +<<<<<<< HEAD There is a merge problem there. > @opindex mbswap > @item -mbswap > Enable byte swap instructions. Enabled for CPU v4 and above. > @@ -24715,6 +24716,12 @@ Enable byte swap instructions. Enabled for CPU v4 and above. > @item -msdiv > Enable signed division and modulus instructions. Enabled for CPU v4 > and above. > +======= > +@opindex mv3-atomics > +@item -mv3-atomics > +Enable instructions for general atomic operations introduced in CPU v3. > +Enabled for CPU v3 and above. > +>>>>>>> 6de76bd11b6 (bpf: add v3 atomic instructions)