https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114560
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
AVX512BW is needed to be able to use __mmask32/__mmask64, those aren't
supported in AVX512F, which only supports __mmask16. __mmask8 needs AVX512DQ
(though, guess for that one one can just use KMOV with 16-bit mask).
In GCC 13 and later, -mavx512bw has been added as the implicit requirement of
-mavx512vbmi2
https://gcc.gnu.org/pipermail/gcc-patches/2023-April/615906.html
and -mavx512bitalg
https://gcc.gnu.org/pipermail/gcc-patches/2023-April/615905.html
