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GET /api/patches/2219063/?format=api
{ "id": 2219063, "url": "http://patchwork.ozlabs.org/api/patches/2219063/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260402113553.2718840-1-torbjorn.svensson@foss.st.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260402113553.2718840-1-torbjorn.svensson@foss.st.com>", "list_archive_url": null, "date": "2026-04-02T11:33:55", "name": "testsuite: arm: prevent usage of vector instructions [PR124704]", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "18bcd5a82aa8491ed0d55b83901880d6fc637172", "submitter": { "id": 84848, "url": "http://patchwork.ozlabs.org/api/people/84848/?format=api", "name": "Torbjorn SVENSSON", "email": "torbjorn.svensson@foss.st.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260402113553.2718840-1-torbjorn.svensson@foss.st.com/mbox/", "series": [ { "id": 498471, "url": "http://patchwork.ozlabs.org/api/series/498471/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=498471", "date": "2026-04-02T11:33:55", "name": "testsuite: arm: prevent usage of vector instructions [PR124704]", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498471/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219063/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219063/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=foss.st.com header.i=@foss.st.com header.a=rsa-sha256\n header.s=selector2 header.b=G4YUy37M;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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helo=smtpO365.st.com;", "From": "=?utf-8?q?Torbj=C3=B6rn_SVENSSON?= <torbjorn.svensson@foss.st.com>", "To": "<gcc-patches@gcc.gnu.org>, <richard.earnshaw@arm.com>, <rguenther@suse.de>", "CC": "<christophe.lyon@arm.com>,\n =?utf-8?q?Torbj=C3=B6rn_SVENSSON?= <torbjorn.svensson@foss.st.com>", "Subject": "[PATCH] testsuite: arm: prevent usage of vector instructions\n [PR124704]", "Date": "Thu, 2 Apr 2026 13:33:55 +0200", "Message-ID": "<20260402113553.2718840-1-torbjorn.svensson@foss.st.com>", "X-Mailer": "git-send-email 2.43.0", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-Originating-IP": "[10.74.22.122]", "X-ClientProxiedBy": "STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com\n (10.75.128.133)", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "AMS0EPF000001A3:EE_|AS8PR10MB7900:EE_", "X-MS-Office365-Filtering-Correlation-Id": "e6440ddd-4b92-4e20-ff4c-08de90ac0f13", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|36860700016|82310400026|376014|42112799006|1800799024|13003099007|56012099003|18002099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:164.130.1.59; 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Ip=[164.130.1.59];\n Helo=[smtpO365.st.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n AMS0EPF000001A3.eurprd05.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "AS8PR10MB7900", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "I don't know if there is any better option, but -mgeneral-regs-only makes the test pass for Cortex-M55/M85 in my tests.\nAs the problem is not with the core, but rather with MVE, I decided to hook this on `arm_mve`.\n\nOk for trunk and releases/gcc-15?\n\n--\n\nTest is supposed to verify that gcc is not vectorizing without target\nsupport. By disabling FP registers, vectoriziaition is avoided.\n\ngcc/testsuite/ChangeLog:\n\n\tPR target/124704\n\t* gcc.dg/tree-ssa/gen-vect-11b.c: Add -mgeneral-regs-only for\n\tarm_mve targets.\n\nSigned-off-by: Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>\nCo-authored-by: Christophe Lyon <christophe.lyon@arm.com>\n---\n gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11b.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11b.c b/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11b.c\nindex d0028bd70db..43a58888048 100644\n--- a/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11b.c\n+++ b/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11b.c\n@@ -1,5 +1,6 @@\n /* { dg-do run { target vect_cmdline_needed } } */\n /* { dg-options \"-O2 -ftree-vectorize -fdump-tree-vect-details\" } */\n+/* { dg-options \"-O2 -ftree-vectorize -fdump-tree-vect-details -mgeneral-regs-only\" { target { arm_mve } } } */\n /* { dg-options \"-O2 -ftree-vectorize -fdump-tree-vect-details -mno-vx\" { target { s390*-*-* } } } */\n /* { dg-options \"-O2 -ftree-vectorize -fdump-tree-vect-details -mno-sse\" { target { i?86-*-* x86_64-*-* } } } */\n \n", "prefixes": [] }