[Bug tree-optimization/117875] [15 Regression] 28% regression for 456.hmmer on Zen4 with -Ofast -march=native

[chenglulu at loongson dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117875

--- Comment #14 from chenglulu <chenglulu at loongson dot cn> ---
On LoongArch, r15-5894-gaf9a3fe6a52974 compared to r15-5315-g5cf7ffe047681d,
the performance of 456.hmmer drops by 27.8%.