[Bug target/121213] Poor RV64 code generated for __atomic_exchange_n (llvm seems to do it right)

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121213

--- Comment #16 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Separate and distinct problem.  Please file a new bug for it.