[Bug target/110061] libatomic: 128-bit atomics should be lock-free on AArch64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110061

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
bug 70814 comment #3 explains why this should not be done. As I mentioned it
can be improved for armv8.4-a maybe using an ifunc but it cannot be done for
before that.