[Bug target/80819] [6/7/8 regression] Useless store to the stack in _mm_set_epi64x with SSE4 -mno-avx

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80819

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ok, I'll bootstrap/regtest removing that; dunno if that is sufficient though,
if there shouldn't be some performance analysis.  That said, it is solely about
the SSE4, for AVX we use different alternatives.  And, before r218303 there was
no * on the rm.