https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103438
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -fprefetch-loop-arrays is not enabled by default on all targets.
pinskia at gcc dot gnu.org via Gcc-bugs Fri, 26 Nov 2021 03:35:10 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103438
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -fprefetch-loop-arrays is not enabled by default on all targets.