[Bug target/76774] atomics on PPC: inconsistent widths for an _Atomic(_Bool) and for atomic_compare_exchange_strong on it

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=76774

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |target

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Older power does not have ll/sc that act on 1 or 2 bytes. So it has to emulate
them by using the 4 byte one with and and ors.