[Bug target/111376] missed optimization of one bit test on MIPS32r1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111376

--- Comment #17 from YunQiang Su <syq at gcc dot gnu.org> ---
I send the patch here.
So we may need some more test.