[Bug target/91769] [9/10 regression] wrong code with -O2 on MIPS

[dragan.mladjeno...@rt-rk.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91769

--- Comment #9 from Dragan Mladjenovic <dragan.mladjeno...@rt-rk.com> ---
Sorry for the delay. I somehow managed to get my git svn rebase to take hours.
Both patches have been backported.