[Bug target/103973] x86: 4-way comparison of floats/doubles with spaceship operator possibly suboptimal

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103973

--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
W/ -ffast-math only one COMISD is used.