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[Bug target/78853] aligned reads/writes (vmovdqa) emitted when no such guarantee can be made


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78853

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
IIRC __m512i, __m256i, and __m128i all have alignment requirements which is why
you are getting this code.

I think your code does not check for alignment which is broken.

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