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CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:64aa7808-outbound-1.mta.getcheckrecipient.com; PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com; CAT:NONE; SFS:(13230040)(376014)(35042699022)(82310400026)(36860700013)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Sep 2024 16:59:22.6101 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: de6716a8-96cf-4596-6eab-08dccc39c26a 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: DB1PEPF000509E3.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB8907 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FORGED_SPF_HELO, GIT_PATCH_0, 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 Hi All, The meaning of the testcase was changed by passing it -fwrapv. The reason for the test failures on some platform was because the test was testing some implementation defined behavior wrt INT_MIN in generic code. Instead of using -fwrapv this just removes the border case from the test so all the values now have a defined semantic. It still relies on the handling of shifting a negative value right, but that wasn't changed with -fwrapv anyway. The -fwrapv case is being handled already by other testcases. Regtested on aarch64-none-linux-gnu and no issues. Ok for master? Thanks, Tamar gcc/testsuite/ChangeLog: * gcc.dg/signbit-5.c: Remove -fwrapv and change INT_MIN to INT_MIN+1. --- -- diff --git a/gcc/testsuite/gcc.dg/signbit-5.c b/gcc/testsuite/gcc.dg/signbit-5.c index 2bca640f930b7d1799e995e86152a6d8d05ec2a0..e778f91ca33010029419b035cbb31eb742345c84 100644 --- a/gcc/testsuite/gcc.dg/signbit-5.c +++ b/gcc/testsuite/gcc.dg/signbit-5.c @@ -1,5 +1,5 @@ /* { dg-do run } */ -/* { dg-options "-O3 -fwrapv" } */ +/* { dg-options "-O3" } */ /* This test does not work when the truth type does not match vector type. */ /* { dg-additional-options "-march=armv8-a" { target aarch64_sve } } */ @@ -44,8 +44,8 @@ int main () TYPE a[N]; TYPE b[N]; - a[0] = INT_MIN; - b[0] = INT_MIN; + a[0] = INT_MIN+1; + b[0] = INT_MIN+1; for (int i = 1; i < N; ++i) {