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Mon, 26 Feb 2024 16:05:52 +0000 From: Wilco Dijkstra To: Richard Earnshaw , Kyrylo Tkachov CC: GCC Patches Subject: Re: [PATCH] ARM: Fix conditional execution [PR113915] Thread-Topic: [PATCH] ARM: Fix conditional execution [PR113915] Thread-Index: AQHaZNHTKZd/DmQU2kiR+j3lOYCpT7EU8+aAgAMf9DmABLvsAIAAAG2S Date: Mon, 26 Feb 2024 16:05:52 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: Authentication-Results-Original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com; x-ms-traffictypediagnostic: PAWPR08MB8982:EE_|GV1PR08MB10503:EE_|AM3PEPF0000A799:EE_|DB9PR08MB7841:EE_ X-MS-Office365-Filtering-Correlation-Id: 8644e138-f3ed-43a9-9493-08dc36e4d513 x-checkrecipientrouted: true nodisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PAWPR08MB8982.eurprd08.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(38070700009);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2024 16:06:03.4572 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8644e138-f3ed-43a9-9493-08dc36e4d513 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM3PEPF0000A799.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR08MB7841 X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY 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: Hi Richard,=0A= =0A= > Did you test this on a thumb1 target?=A0 It seems to me that the target p= arts that you've=0A= > removed were likely related to that.=A0 In fact, I don't see why this tes= t would need to be changed at all.=0A= =0A= The testcase explicitly forces a Thumb-2 target (arm_arch_v6t2). The patter= ns=0A= were wrong for Thumb-2 indeed, and the testcase was explicitly testing for = this.=0A= There is a separate builtin-bswap-2.c for Thumb-1 target (arm_arch_v6m).=0A= =0A= Cheers,=0A= Wilco=0A=