https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84508
--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >According to Intel ( > https://software.intel.com/sites/landingpage/IntrinsicsGuide), there are no > alignment requirements for _mm_load_sd, _mm_store_sd and _mm_loaddup_pd. For > example, from _mm_load_sd: I disagree with saying there is no alignment requirement. The alignment requirement comes from the type of the argument (double const*). So either the intrinsics definition needs to be changed to be correct or GCC is correct. Pointers themselves have an alignment requirement not just at the time of the load/store of them.
