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Tue, 30 Jan 2024 14:42:41 +0000 Message-ID: <97d79acf-eaac-4c42-9478-4714f79f12ef@arm.com> Date: Tue, 30 Jan 2024 14:42:39 +0000 User-Agent: Mozilla Thunderbird From: Richard Ball To: "gcc-patches@gcc.gnu.org" , Richard Sandiford , Kyrylo Tkachov , Richard Earnshaw , Marcus Shawcroft Content-Language: en-US Subject: [PATCH] aarch64: Fix ICE in poly-int.h due to SLP. 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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF00039232.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR08MB8170 X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, FORGED_SPF_HELO, GIT_PATCH_0, 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=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Adds a check to ensure that the input vector arguments to a function are not variable length. Previously, only the output vector of a function was checked. gcc/ChangeLog: * tree-vect-slp.cc (vectorizable_slp_permutation_1): Add variable-length check for vector input arguments to a function. diff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc index 086377a9ac08528880c90bee3b1d1e08341a6288..bbd2c51d60baa31ea4169081442e2e9d55055e80 100644 --- a/gcc/tree-vect-slp.cc +++ b/gcc/tree-vect-slp.cc @@ -8989,6 +8989,14 @@ vectorizable_slp_permutation_1 (vec_info *vinfo, gimple_stmt_iterator *gsi, instead of relying on the pattern described above. */ if (!nunits.is_constant (&npatterns)) return -1; + FOR_EACH_VEC_ELT (children, i, child) + if (SLP_TREE_VECTYPE (child)) + { + tree child_vectype = SLP_TREE_VECTYPE (child); + poly_uint64 child_nunits = TYPE_VECTOR_SUBPARTS (child_vectype); + if (!child_nunits.is_constant ()) + return -1; + } nelts_per_pattern = ncopies = 1; if (loop_vec_info linfo = dyn_cast (vinfo)) if (!LOOP_VINFO_VECT_FACTOR (linfo).is_constant (&ncopies))