[Bug target/120001] On RISC-V with -O2 and -O3 __sync_or_and_fetch in a loop renders as an endless loop and multiple amoor

[vincenzo.romano at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120001

--- Comment #4 from Vincenzo Romano <vincenzo.romano at gmail dot com> ---
Id the double amoor op intentional?

If so, why?