[Bug target/125628] [16/17 Regression] mips64el: wrong code for stdatomic-op-1.c with -O -march=mips64r2

[xry111 at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125628

--- Comment #6 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Reposted: https://gcc.gnu.org/pipermail/gcc-patches/2026-June/721307.html