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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)(1800799024)(36860700013)(35042699022)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Oct 2024 09:10:35.9538 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 839b8441-4a0b-45c8-2b25-08dce454686b 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: AMS1EPF00000047.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR08MB8228 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, SPF_HELO_NONE, SPF_NONE, TXREP, 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 In ac4cdf5cb43c0b09e81760e2a1902ceebcf1a135, I introduced a bug where I put the new unspecs, UNSPEC_COND_SMAX and UNSPEC_COND_SMIN, into the wrong iterator. I should have put new unspecs in SVE_COND_FP_MAXMIN but I put it in SVE_COND_FP_BINARY_REG instead. That was incorrect because the SVE_COND_FP_MAXMIN iterator is being used for predicated floating-point maximum/minimum, not SVE_COND_FP_BINARY_REG. Also added a testcase to validate the new change. Regression tested on aarch64-unknown-linux-gnu and found no regressions. There are some test cases with "libitm" in their directory names which appear in compare_tests output as changed tests but it looks like they are in the output just because of changed build directories, like from build-patched/aarch64-unknown-linux-gnu/./libitm/* to build-pristine/aarch64-unknown-linux-gnu/./libitm/*. I didn't think it was a cause of concern and have pushed this for review. gcc/ChangeLog: * config/aarch64/iterators.md: Move UNSPEC_COND_SMAX and UNSPEC_COND_SMIN to correct iterators. gcc/testsuite/ChangeLog: PR target/116934 * gcc.target/aarch64/sve2/pr116934.c: New test. --- gcc/config/aarch64/iterators.md | 8 ++++---- gcc/testsuite/gcc.target/aarch64/sve2/pr116934.c | 13 +++++++++++++ 2 files changed, 17 insertions(+), 4 deletions(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/sve2/pr116934.c diff --git a/gcc/config/aarch64/iterators.md b/gcc/config/aarch64/iterators.md index 0836dee61c9..fcad236eee9 100644 --- a/gcc/config/aarch64/iterators.md +++ b/gcc/config/aarch64/iterators.md @@ -3125,9 +3125,7 @@ (define_int_iterator SVE_COND_FP_BINARY_REG [UNSPEC_COND_FDIV - UNSPEC_COND_FMULX - UNSPEC_COND_SMAX - UNSPEC_COND_SMIN]) + UNSPEC_COND_FMULX]) (define_int_iterator SVE_COND_FCADD [UNSPEC_COND_FCADD90 UNSPEC_COND_FCADD270]) @@ -3135,7 +3133,9 @@ (define_int_iterator SVE_COND_FP_MAXMIN [UNSPEC_COND_FMAX UNSPEC_COND_FMAXNM UNSPEC_COND_FMIN - UNSPEC_COND_FMINNM]) + UNSPEC_COND_FMINNM + UNSPEC_COND_SMAX + UNSPEC_COND_SMIN]) (define_int_iterator SVE_COND_FP_TERNARY [UNSPEC_COND_FMLA UNSPEC_COND_FMLS diff --git a/gcc/testsuite/gcc.target/aarch64/sve2/pr116934.c b/gcc/testsuite/gcc.target/aarch64/sve2/pr116934.c new file mode 100644 index 00000000000..94fb96ffa7d --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve2/pr116934.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-Ofast -mcpu=neoverse-v2" } */ + +int a; +float *b; + +void foo() { + for (; a; a--, b += 4) { + b[0] = b[1] = b[2] = b[2] > 0 ?: 0; + if (b[3] < 0) + b[3] = 0; + } +}