[Bug target/68484] _mm_storel_epi64((__m128i *)x, m); does nothing if "x" is a "volatile" ptr

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68484

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #9)
> Fixed for GCC 7 by r7-5301 (aka PR 70118).

-  *(long long *)__P = ((__v2di)__B)[0];
+  *(__m64_u *)__P = (__m64) ((__v2di)__B)[0];