Update comment explaining Intel compiler bug

git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/Vectors/trunk@82 105869f7-3296-0410-a4ea-f4349344b45a

1 files changed, 3 insertions, 1 deletions

diff --git a/src/vectors-8-SSE2.h b/src/vectors-8-SSE2.h
index 2326e49..bded69e 100644
--- a/src/vectors-8-SSE2.h
+++ b/src/vectors-8-SSE2.h
@@ -185,7 +185,9 @@ CCTK_REAL8_VEC vec8_loadu_maybe3(std::ptrdiff_t const off1,
 static inline CCTK_ATTRIBUTE_ALWAYS_INLINE
 CCTK_REAL8_VEC vec8_loadu_maybe(std::ptrdiff_t const off, CCTK_REAL8 const& p)
 {
-  // The :? operator breaks with the Intel compiler
+  // Note: This function is mis-translated by some versions of the
+  // Intel compiler. The symptom is a segfault during the Vectors
+  // selftest in the vec_loadu_maybe test.
   // return off % CCTK_REAL8_VEC_SIZE == 0 ? vec8_load(p) : vec8_load_off1(p);
   if (off % CCTK_REAL8_VEC_SIZE == 0) return vec8_load(p);
   return vec8_load_off1(p);