lib/crc/arm64/crc64-neon.h:14:9: sparse: sparse: Trying to use reserved word 'return' as identifier
kernel test robot <[email protected]>
| Newsgroups | dev.linux.lists.oe-kbuild |
|---|---|
| Message-ID | <[email protected]> |
:::::: :::::: Manual check reason: "low confidence static check warning: lib/crc/arm64/crc64-neon.h:14:9: sparse: sparse: Trying to use reserved word 'return' as identifier" :::::: BCC: [email protected] CC: [email protected] CC: [email protected] TO: Ard Biesheuvel <[email protected]> CC: Eric Biggers <[email protected]> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3d6d817622b0a9721e3cc404df3469171582be13 commit: 061cef5fcee5a4bbaa8726f8c5fc1d5e2f89bff7 lib/crc: Turn NEON intrinsics crc64 implementation into common code date: 3 months ago :::::: branch date: 30 hours ago :::::: commit date: 3 months ago config: arm64-randconfig-r112-20260813 (https://download.01.org/0day-ci/archive/20260814/[email protected]/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 6ea395e4fe4db26920d57779ddae98eac6ba945d) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260814/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: 061cef5fcee5 ("lib/crc: Turn NEON intrinsics crc64 implementation into common code") | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/r/[email protected]/ sparse warnings: (new ones prefixed by >>) lib/crc/crc64-neon.c: note: in included file (through arch/arm64/include/asm/neon-intrinsics.h): /opt/cross/clang-844a18e753/lib/clang/24/include/arm_neon.h:30:2: sparse: sparse: "NEON intrinsics not available with the soft-float ABI. Please use -mfloat-abi=softfp or -mfloat-abi=hard" lib/crc/crc64-neon.c: note: in included file: lib/crc/arm64/crc64-neon.h:3:26: sparse: sparse: Expected ; at end of declaration lib/crc/arm64/crc64-neon.h:3:26: sparse: sparse: got pmull64 lib/crc/arm64/crc64-neon.h:7:1: sparse: sparse: Expected ; at the end of type declaration lib/crc/arm64/crc64-neon.h:7:1: sparse: sparse: got } lib/crc/arm64/crc64-neon.h:12:20: sparse: sparse: Expected ; at end of declaration lib/crc/arm64/crc64-neon.h:12:20: sparse: sparse: got m >> lib/crc/arm64/crc64-neon.h:14:9: sparse: sparse: Trying to use reserved word 'return' as identifier lib/crc/arm64/crc64-neon.h:14:16: sparse: sparse: Expected ; at end of declaration lib/crc/arm64/crc64-neon.h:14:16: sparse: sparse: got vreinterpretq_u64_p128 lib/crc/arm64/crc64-neon.h:15:1: sparse: sparse: Expected ; at the end of type declaration lib/crc/arm64/crc64-neon.h:15:1: sparse: sparse: got } lib/crc/arm64/crc64-neon.h:21:1: sparse: sparse: Expected ; at the end of type declaration lib/crc/arm64/crc64-neon.h:21:1: sparse: sparse: got } lib/crc/crc64-neon.c:22:20: sparse: sparse: Expected ; at end of statement lib/crc/crc64-neon.c:22:20: sparse: sparse: got fold_consts lib/crc/crc64-neon.c:23:20: sparse: sparse: Expected ; at end of statement lib/crc/crc64-neon.c:23:20: sparse: sparse: got v0 lib/crc/crc64-neon.c:24:20: sparse: sparse: Expected ; at end of statement lib/crc/crc64-neon.c:24:20: sparse: sparse: got zero lib/crc/crc64-neon.c:41:20: sparse: sparse: Expected ; at end of statement lib/crc/crc64-neon.c:41:20: sparse: sparse: got bconsts lib/crc/crc64-neon.c:42:20: sparse: sparse: Expected ; at end of statement lib/crc/crc64-neon.c:42:20: sparse: sparse: got final lib/crc/crc64-neon.c:27:17: sparse: sparse: undefined identifier 'v0' lib/crc/crc64-neon.c:27:23: sparse: sparse: undefined identifier 'vreinterpretq_u64_u8' lib/crc/crc64-neon.c:34:17: sparse: sparse: undefined identifier 'v0' lib/crc/crc64-neon.c:34:22: sparse: sparse: undefined identifier 'pmull64' lib/crc/crc64-neon.c:34:49: sparse: sparse: undefined identifier 'pmull64_high' lib/crc/crc64-neon.c:38:9: sparse: sparse: undefined identifier 'v0' lib/crc/crc64-neon.c:38:14: sparse: sparse: undefined identifier 'vextq_u64' lib/crc/crc64-neon.c:38:39: sparse: sparse: undefined identifier 'pmull64_hi_lo' lib/crc/crc64-neon.c:44:9: sparse: sparse: undefined identifier 'v0' lib/crc/crc64-neon.c:44:15: sparse: sparse: undefined identifier 'vextq_u64' lib/crc/crc64-neon.c:44:43: sparse: sparse: undefined identifier 'pmull64_hi_lo' lib/crc/crc64-neon.c:46:16: sparse: sparse: undefined identifier 'vgetq_lane_u64' vim +/return +14 lib/crc/arm64/crc64-neon.h 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 8 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 9 static inline uint64x2_t pmull64_high(uint64x2_t a, uint64x2_t b) 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 10 { 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 11 poly64x2_t l = vreinterpretq_p64_u64(a); 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 12 poly64x2_t m = vreinterpretq_p64_u64(b); 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 13 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 @14 return vreinterpretq_u64_p128(vmull_high_p64(l, m)); 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 15 } 061cef5fcee5a4 Ard Biesheuvel 2026-04-22 16 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki