Update comments

1 files changed, 4 insertions, 0 deletions

diff --git a/lsh512.cpp b/lsh512.cpp
index 03113f6d..9701a059 100644
--- a/lsh512.cpp
+++ b/lsh512.cpp
@@ -12,6 +12,10 @@
 // the end of Restart(), Update() or Final(). That mistake costs

 // about 3 cpb.

 

+// Function multiversioning does not work with Clang. Enabling it for

+// LLVM Clang 7.0 and above resulted in linker errors. Also see

+// https://bugs.llvm.org/show_bug.cgi?id=50025.

+

 // There's a fair amount of AVX2 code because _mm256_or_si256,

 // _mm256_xor_si256 and _mm256_add_epi64 are AVX2. There's no way

 // to avoid AVX2 for the simple operations.