[Bug target/121606] -march=native on AVX10.1 capable host warns about -mno-evex512

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121606

--- Comment #9 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
> 
> Are you using GCC16, and yes GCC16 is refactored with that logic.

In GCC15, because avx10.1 was initially set to 256-bit by default, we wanted to
prevent the mixed usage of avx512 and avx10.1, so we issued this warning.