https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84508
--- Comment #3 from Marc Glisse <glisse at gcc dot gnu.org> --- Copying from https://gcc.gnu.org/ml/gcc-help/2017-12/msg00031.html "The way _mm_load_sd is currently implemented in gcc, yes, sanitizers are right to complain. Intel could have named the thing _mm_loadu_sd if that's what they meant. It would be simple to change if we decide to do so, please file a PR in bugzilla. Workaround: define a typedef for double with __attribute__((__aligned__(1))), and use _mm_set_sd(*(newtype*)p), that's how it will likely be done if we change emmintrin.h."
