diff options
| -rw-r--r-- | src/include/port/pg_crc32c.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/port/pg_crc32c.h b/src/include/port/pg_crc32c.h index 0ab7513f523..9376d223fef 100644 --- a/src/include/port/pg_crc32c.h +++ b/src/include/port/pg_crc32c.h @@ -52,7 +52,13 @@ typedef uint32 pg_crc32c; extern pg_crc32c pg_comp_crc32c_sse42(pg_crc32c crc, const void *data, size_t len); +/* + * We can only get here if the host compiler targets SSE 4.2, but on some + * systems gcc and clang don't have the same built-in targets, so we still + * must use a function attribute here to accommodate "--with-llvm" builds. + */ pg_attribute_no_sanitize_alignment() +pg_attribute_target("sse4.2") static inline pg_crc32c pg_comp_crc32c_dispatch(pg_crc32c crc, const void *data, size_t len) |