https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83828

--- Comment #7 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
On the other hand, if masked variant of vpopcnt[w,q] is being issued: there's
no way for reload to put 32/64 bit mask into mask register, since kmov[d,q] are
only available  under -mavx512bw switch.

We can insist user to issue -mavx512bw along w/ -mavx512bitalg if she is going
to use masked variants of corresponding intrinsics. Then only tests need to be
fixed.

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