https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> --- Porbably we just need to add SSE alternatives to existing MMX builtins. C.f. [1]. [1] https://gcc.gnu.org/ml/gcc-patches/2019-01/msg01393.html
