[Bug tree-optimization/113441] [14 Regression] Fail to fold the last element with multiple loop

[juzhe.zhong at rivai dot ai via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441

--- Comment #14 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
I just tried again both GCC-13.2 and GCC-14 with -fno-vect-cost-model.

https://godbolt.org/z/enEG3qf5K

GCC-14 requires scalar epilogue loop, whereas GCC-13.2 doesn't.

I believe it's not cost model issue.