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-rw-r--r--Modules/_sha3/sha3module.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/_sha3/sha3module.c b/Modules/_sha3/sha3module.c
index ac568b8..bde474f 100644
--- a/Modules/_sha3/sha3module.c
+++ b/Modules/_sha3/sha3module.c
@@ -96,7 +96,8 @@
* *************************************************************************/
#ifdef __sparc
- /* On SPARC with Solaris CC opt64 fails with 'invalid address alignment' */
+ /* opt64 uses un-aligned memory access that causes a BUS error with msg
+ * 'invalid address alignment' on SPARC. */
#define KeccakOpt 32
#elif SIZEOF_VOID_P == 8 && defined(PY_UINT64_T)
/* opt64 works only for 64bit platforms with unsigned int64 */