[Bug target/109086] Bug of builtin_strcmp in the case of using the adddi3 instruction patterns

[liwei at loongson dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109086

--- Comment #1 from liwei at loongson dot cn ---
Created attachment 54632
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54632&action=edit
try to fix builtin_strcmp bug patch