The correct fix would be to merge all plog implementations following SSE/AVX versions.
initial report: https://github.com/eigenteam/eigen-git-mirror/commit/4fc99b60ebba6b9f50f54328cd48698b5f1fe308#commitcomment-30873657
The best solution would be to fix Bug 692 (Meta-Packets).
and I've started to merge the different implementations. Done for plog on SSE/AVX/NEON. MSA should be easy. AVX512 will require a more involved unified API for comparisons and bit masking.
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