From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2065.outbound.protection.outlook.com [40.107.105.65]) by sourceware.org (Postfix) with ESMTPS id AECE83853337 for ; Fri, 24 Nov 2023 09:03:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AECE83853337 Authentication-Results: sourceware.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org AECE83853337 Authentication-Results: server2.sourceware.org; arc=pass smtp.remote-ip=40.107.105.65 ARC-Seal: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1700816633; cv=pass; b=E/wB2htYfzkM158u8D3PHuHChGn9QG29IB/6GBGcgSYj1E1xIyBjGSu7185/IZ7/TgnxiB9VfjinuYTl8J9ZLtFXUAMJKZIkN6tEKZHr8FkbPSDfYKPL6RGRPVsjH+7LubMk210qJXoOeHd/fps9rBtkHCyryXW9GKMJFlF1vx4= ARC-Message-Signature: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1700816633; c=relaxed/simple; bh=FdcaDMrGzhEf5CubmEprAIcZdol+6ogKIWkoQqcRI/8=; h=DKIM-Signature:Message-ID:Date:Subject:From:To:MIME-Version; b=b1fQ6+97sMBj6dZHIvk3EHLKP8awmgxw+ZBAykywQArYFP8ygoWAjwhtzhLFtoy9Z9Fs4MyYWJFSnFDY0UcFyoBWRNEbo5iRTfuQ6lCm/L6Zww3jkls0FJob9LUH8ROpfd3vj1FEjOSf9GoYnuNgKAo+s6beyVM5WXr4FrIPd04= ARC-Authentication-Results: i=2; server2.sourceware.org ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=VVA8QgkQx1vThrMFuCci1who1y8rTSvZoF8dwMDYrkjRey+Y6rB/hf7WMQ290MiEwabMDjHkgCKvri85RIC1AjdbS68vQ4raTg9NxRt7+dsgkJbVwna9MUwlHIzAiQMXrgHmMoJR0uWxwMlzh5GTBdj0615EkNrDlZ+lxXBhrkfqFdxrFnVgwXruduenTd5gZ10hTyWZxcbKvSwFP9z1Cx/W+tPnvCiGtxavc85me+dSAQfU3o2WRlzFJiuVNGblxvyWjBtLzW5Z09wVHO+cw7IGpHFwUqVoDOjE9CHUQau6+WdU+pEJ0OWPQaCf9v5G/cgapG8Pu4Z9GNlFSSv+mw== 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=3ut9Bb3f4tNwSgU5wM5kxm+ZK+iT+cEPI+tJJKMDLZE=; b=fGzBqyHup9lBtCu6nRZtvLWHniv5SMEc1wXCWSUzffhKyQtmOogn+p/CboakaYavEtEiP+tbUoEM/OaEksYkWIJp53KxNXBt60H/gIDiNjyfUTqe34W4Z2jCRvC/zI7qj+Ng6msweyTf9CErFiJGdLFEr/z1E+1VUFNMn09L6VchZi93R7rTNGVr33hvFChOmmkefghOnh1HRRFz2spWvOrmeOAtpRkeB8+Ue/W6ZTYQ8EL7yCHP9wEFvEz05E/jrCVoHS2MHdzOHbSGmOV4XQ31eW/+jXNX8oLPAaPe2un0hJJmNtCMqHyujj8YP0n8qmmMecrSU9mg+qOtEJAXEA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=3ut9Bb3f4tNwSgU5wM5kxm+ZK+iT+cEPI+tJJKMDLZE=; b=hROyehyg7bKJn7tKyS6ieW2qYc+w2j4w6nNUZnpfcjEmZGe/X4d8vFfGeMK7wnyhglBD2NMnpydaqdXjXwRyrH+g0mV3ShNV1OYFJGkdGsWKP692JzerDt0y+5jXgsQ6NPJmTP80p0QaB44tJtKzREl2xGSyE54SU8AYcmrHMt3d347JE/8Sz0TrN/bwaIbjs+PVXxRjlZ81wF1AUkXXtYvvp/4i6jgjrS+5h7MMffJfvarA3LEFlXuMeenVw0SMa/dtwTmPWsz0FlwllCeRh6VpgskooH9CQq6jhvVCcqwSV+6/oIL/OzqnaBSeYiL12vei0+d9LT4Zj3F0mXMtMg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com; Received: from DU2PR04MB8790.eurprd04.prod.outlook.com (2603:10a6:10:2e1::23) by DB9PR04MB8090.eurprd04.prod.outlook.com (2603:10a6:10:240::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7046.13; Fri, 24 Nov 2023 09:03:50 +0000 Received: from DU2PR04MB8790.eurprd04.prod.outlook.com ([fe80::eb8e:fa24:44c1:5d44]) by DU2PR04MB8790.eurprd04.prod.outlook.com ([fe80::eb8e:fa24:44c1:5d44%3]) with mapi id 15.20.7046.012; Fri, 24 Nov 2023 09:03:50 +0000 Message-ID: <1cfe196e-4830-49f2-b06c-9c947c4996b5@suse.com> Date: Fri, 24 Nov 2023 10:03:50 +0100 User-Agent: Mozilla Thunderbird Subject: [PATCH 2/6] x86: suppress optimization after potential non-insn Content-Language: en-US From: Jan Beulich To: Binutils Cc: "H.J. Lu" References: Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: FR5P281CA0033.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:f3::10) To DU2PR04MB8790.eurprd04.prod.outlook.com (2603:10a6:10:2e1::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PR04MB8790:EE_|DB9PR04MB8090:EE_ X-MS-Office365-Filtering-Correlation-Id: 8b63e945-43b6-4ecf-690c-08dbeccc4699 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:DU2PR04MB8790.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(396003)(136003)(376002)(39860400002)(346002)(366004)(230922051799003)(186009)(451199024)(64100799003)(1800799012)(41300700001)(2906002)(5660300002)(4744005)(6486002)(8936002)(31686004)(8676002)(4326008)(478600001)(6506007)(36756003)(6512007)(26005)(2616005)(86362001)(31696002)(66556008)(316002)(66476007)(66946007)(6916009)(38100700002)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZzYrRFlwSDlPNlBwQzhkK2RnZEd2bFFEMDM5eWdEOHYyUUVLRU1hMy9ZR2xk?= =?utf-8?B?a3l0NmZWUDFFdVhqaFJwMkRmOHJMWUd3dyt1bGZqVllMbERxMDB2VnFyYVhR?= =?utf-8?B?NGNERVVLRFZTYS9XejRsZ3pZa3IrWFI3NlJxNnpkS00xcnZxbTVheWRHTVpm?= =?utf-8?B?VzM2SVlsOWZWdk1uVVdLWXFVUEN2cGdkSWpyaUMwNW4raURUbHkzR0xyYmhK?= =?utf-8?B?c3VoZXQyUUdMa3ZYbE9wdmNBVlVvaUhFbGgyZmcyOGRybFAwNWJDV1k0bHpM?= =?utf-8?B?dnN6bjErbXVKZis2NmpSL1ZNN09Uck1NVmhUa2R4Y3dUdHgwNEpQNVpHdlVP?= =?utf-8?B?a1UxOEhvTG5qbjVwd2R5b1hnOW1DV3BTVkRqMWViYm9NTGpPdVJ6Nk16VFNm?= =?utf-8?B?UUQwYW84R21uanRVbDl2UjdqN3BLUDh0OUxsZnhJaWZZR0ltdFprai9Ic3py?= =?utf-8?B?VEtqL2JvamUzUnNSeEZRZTZMY1l6VWt1Vno1OTVBbkJsMGFxbDlqc2YwbHNr?= =?utf-8?B?cis5SlVHOVVIMC9xellzMjNjK25hVmxKTFJORzY1SFJRd3VZKytxSmMxNkVm?= =?utf-8?B?K0d0VFdPN01xOVhJUmgxRUZrNEpWa2pSbzJvZjBrODVYRTF5QmtxOERmbHRO?= =?utf-8?B?Q0x5QVh3aFRCQVRjck1xYjJWaUYydG85TTY3WEsyTWk0Wk9kTzQzeTFvdHVW?= =?utf-8?B?cE1BMHRBbDFDWHNnTDliNEVZSXlZWmZKYnM4Q1NvMno1MnBwcFdadjZNN3dp?= =?utf-8?B?WWtyalhXbmxIZWtwSE91ZFpBc2N1a3lRd3IvRFE5VTN3Y045Q3pCbUZ5T0s5?= =?utf-8?B?aWIvRTNkK1RHQ1g5UUMrWkdkUmlSRnFleHVNMXNmTzIzbFZET0gwbmNHUjM0?= =?utf-8?B?VTNsMXpHK29KV3pyc3lUbG9wL2ZaOHVhYktmVmljMW9MOExMc202ckRzOGJQ?= =?utf-8?B?R1QwRksyd2h1K3VHaUxuTTdyZDhPWmUzU1FwaEpyRjBSblZPcmt1dmhWV1ps?= =?utf-8?B?UU94WkJFUzNSN1VDY1FMcWl4azUwYnNyWEw2SjV6NDZLa003aTNvbTU1OVRO?= =?utf-8?B?MnNKMTBkUzhyY0dieC9VK2s0R0ZzelN2K2FNQ09MUWhGNmROaGNROFpkT0M1?= =?utf-8?B?WE5mYXd4MFMvVGZkUWVCeEdHZkMwaFVVdWNQNnhKNEo0dGYrN3BVd2JVQ2I0?= =?utf-8?B?L0VUQmhISDlSQW5XK2NhdVB0Y2IrWkFpTnRQZTFjWEhZVzNIZFFDenZlUytu?= =?utf-8?B?QzZCVmFSc1pVY3RqNkFSQWtzT3Q0U3FvaHcrWHlEc0ttME1PbmMwQUQxblBa?= =?utf-8?B?c3MxSlk3ckZDT2lPQjZ2cEJHT3pXV0Y0RFBxcVlsSVhPUHNqQjlPU21lVmNx?= =?utf-8?B?YVo4aGZOSk1nTnRlYXlLN3ZwenhJTGtqb2dDR2Vwc0tQTi9ENEwzcHRBMkJ6?= =?utf-8?B?TEtVTy9scE5XRzFiQkIyNkdVNFlsL3l3TG0xWHNnVGN2MkNQWkdXZFlEa3Yw?= =?utf-8?B?UGpRdFF6K2huQktNdVNsamFtcm5nYlJBWlhHRWRIYlgrMXI4YU5wTnlnSVJ1?= =?utf-8?B?VFBiWE5iR3Jhd2tQWW9UWnNlcFNkL1pxbStlUC9vZ25MZk1LMldRYnRIYnBU?= =?utf-8?B?cVQyRmg4SjRjMkZLeWdHM0JPMUQyQ3hwMGlITGszZUlCYkp6TkFLeEFMTmc3?= =?utf-8?B?d0E2Y2VHQkp6YTlrQTJwUE1WL093NHZ3ZUgzZFk0YWwzeDNyYW43cFVHc0dW?= =?utf-8?B?NmZJWHpWQTlndXVTY2ZOakZiaTVXNFV4TXdYdG1raDk5OHB5amZKNHBSTW5T?= =?utf-8?B?OUE0VHZKRGQ0TjBHcEdXZ2xsVHpIWUZSd3ZkMWF3cnlVQndCK2oyZWhJVXNU?= =?utf-8?B?ZUpjVUJvVkxxWE1GVnZSb2JvWmx5V3RMSGRwV1d3OEFaNDRoc2s5NFRTdklR?= =?utf-8?B?VlhtUzF6RG10eklSaXdpM3psNDBUN0h5ZEhwb0ljT2V1OTVpV2tqbU44Njlv?= =?utf-8?B?N0RLT3ZJeGl5ZVZGNWx1ZjhaWTFpSlRLcVpQQzdnRFRlYjFNekJOR09tSWdP?= =?utf-8?B?QUFWWVcvc0hhbGFLaHJSMlhJYUhuSnZ3T0hnMWl1RDYrQmZtRzRKdHpqN3Mz?= =?utf-8?Q?JNwAQGfQgbAn8k25n3wxy5qSw?= X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8b63e945-43b6-4ecf-690c-08dbeccc4699 X-MS-Exchange-CrossTenant-AuthSource: DU2PR04MB8790.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Nov 2023 09:03:50.6342 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: jgfvhT8PggLncKZxrAw1ydu6YF6Nt1SxRs1PlpPC1CM6F+4JN4QnJdu3VitSfiItLBNRgnCq2W6g6h0VFUkwKQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB8090 X-Spam-Status: No, score=-3026.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,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: Just like avoiding to do other transformations potentially affected by stand-alone prefixes or direct data emission, also avoid optimization on the following insn. --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -5120,6 +5120,11 @@ md_assemble (char *line) retry: init_globals (); + /* Suppress optimization when the last thing we saw may not have been + a proper instruction (e.g. a stand-alone prefix or .byte). */ + if (last_insn->kind != last_insn_other) + i.no_optimize = true; + /* First parse an instruction mnemonic & call i386_operand for the operands. We assume that the scrubber has arranged it so that line[0] is the valid start of a (possibly prefixed) mnemonic. */