https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105643
--- Comment #8 from Hongtao.liu <crazylht at gmail dot com> --- Looks like codesize decreased after r13-754-ga1c9f779f75283427316b5c670c1e01ff8ce9ced. Now we have cost model for unswitching loop decorate.c:605:25: note: not unswitching condition, cost too big (37 insns copied to 35 and 37)