[Bug target/100931] [x86-64] Failure to optimize 2 32-bit stores converted to a 64-bit store into using movabs instead of loading from a constant

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100931

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
I suppose this is still an expander/backend missed optimization which doesn't
consider doing a V2SImode store in DImode?