[Bug target/89021] Implement mmintrin.h in SSE

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021

--- Comment #53 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to H.J. Lu from comment #52)
> (In reply to Uroš Bizjak from comment #51)
> > How about:
> Many V2SF, V8QI, V4HI and V2SI operations are missing.
True, but why not use the ones that are usable?