[Bug target/71191] aarch64 and others: __atomic_load;arithmetic;__atomic_compare_exchange loops should be able to generate better code with LL/SC-type constructs than a CAS loop

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71191

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-05-19
     Ever confirmed|0                           |1

--- Comment #2 from ktkachov at gcc dot gnu.org ---
Actually, using the dummy definition from PR 70825 works

typedef struct {
        int counter;
} atomic_t;

Confirmed.