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

Hongtao Liu <liuhongt at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |haochen.jiang at intel dot com,
                   |                            |liuhongt at gcc dot gnu.org

--- Comment #1 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
Note mevex512 option is deprecated in GCC15 and removed in GCC16.

It's because avx10.1 will enable avx512fp16, but there's no avx512fp16 on Zen5
machine, and march=native will be expanded with -mno-avx512fp16 and it raised
the warning.

The warning can be reproduced with *-O2 -march=znver5 -mno-avx512fp16*

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