[Bug target/70708] Suboptimal code generated when using _mm_set_sd (X64)

[kobalicek.petr at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70708

--- Comment #3 from Petr <kobalicek.petr at gmail dot com> ---
Is there any workaround guys?

I was looking for some built-in that would allow me just cast `double` to
`__m128d` without going through `_mm_set_sd()`, but leaving the high part
undefined.