[Bug target/104688] gcc and libatomic can use SSE for 128-bit atomic loads on Intel and AMD CPUs with AVX

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104688

--- Comment #20 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
>From Mayshao (Zhaoxin engineer):

"On Zhaoxin CPUs with AVX, the VMOVDQA instruction is atomic if the accessed
memory is Write Back, but it's not guaranteed for other memory types."

Is it allowed to use VMOVDQA then?