[Bug target/110591] [i386] (Maybe) Missed optimisation: _cmpccxadd sets flags

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110591

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
I guess we can add a peephole for this, middle-end optimizer doesn't know
cmpccxadd set EFLAGS same as cmp.