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| author | Charles Harris <charlesr.harris@gmail.com> | 2022-05-08 19:21:24 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-08 19:21:24 -0600 |
| commit | b0b912f7c0f349304824db543f2a59f091ca590c (patch) | |
| tree | e2d1dfd00aaac788fb7618da7d484d4a3a5c2d12 /numpy | |
| parent | 37cb0f8463345648add0e1e98fd146c966146981 (diff) | |
| parent | 3257ab09fa557625f7f38ba96d9d8e6ba5470822 (diff) | |
| download | numpy-b0b912f7c0f349304824db543f2a59f091ca590c.tar.gz | |
Merge pull request #21467 from seberg/mark-no-sanitize-on-npy-memchr
MAINT: Mark `npy_memchr` with `no_sanitize("alignment")` on clang
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/core/src/multiarray/common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/numpy/core/src/multiarray/common.h b/numpy/core/src/multiarray/common.h index 85fd3aab1..ed022e4f8 100644 --- a/numpy/core/src/multiarray/common.h +++ b/numpy/core/src/multiarray/common.h @@ -248,6 +248,15 @@ npy_uint_alignment(int itemsize) * compared to memchr it returns one stride past end instead of NULL if needle * is not found. */ +#ifdef __clang__ + /* + * The code below currently makes use of !NPY_ALIGNMENT_REQUIRED, which + * should be OK but causes the clang sanitizer to warn. It may make + * sense to modify the code to avoid this "unaligned" access but + * it would be good to carefully check the performance changes. + */ + __attribute__((no_sanitize("alignment"))) +#endif static NPY_INLINE char * npy_memchr(char * haystack, char needle, npy_intp stride, npy_intp size, npy_intp * psubloopsize, int invert) |