https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114978
--- Comment #18 from chenglulu <chenglulu at loongson dot cn> --- (In reply to Xi Ruoyao from comment #17) > Strangely PR114074 is a wrong-code (instead of missed-optimization) and > reverting its fix seems improving performance for other targets... This is very strange. I tried turning off reg_reg addressing on the basis of r14-9540, and the performance was not much different from r14-9539. But unfortunately I still don’t know why
