[Bug target/87206] Suboptimal code generation for __atomic_compare_exchange_n followed by a comparison

[iii at linux dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87206

--- Comment #1 from Ilya Leoshkevich <iii at linux dot ibm.com> ---
Gentle ping.  Is there a way to make this work?  I could look into implementing
this if someone points me in the right direction.