[Bug target/122831] GCC does not define __ARM_FEATURE_MOPS for armv8.8-a

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122831

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://forge.sourceware.org/gcc/gcc-TEST/pulls/127