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

[hjl.tools at gmail dot com]

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

--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 38303
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38303&action=edit
A patch for _mm_set_sd

We should use "movq" instead of "movsd" for _mm_set_sd.