[Bug tree-optimization/115438] [15 Regression] 503.bwaves_r regressed 5-11% on different x86_64 machines at -Ofast -march=native since r15-1006-gd93353e6423eca

[liuhongt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115438

--- Comment #7 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
I only observed ~3% regression on ICX, the regressed one takes less
instructions but more backend bounds, caused lower IPC and slow down
performance.