i was about to answer pretty much as 'rerdavies' did. If you have such requirements the specific architectures would need wrappers to copy the data, or do pref/

i was about to answer pretty much as 'rerdavies' did. If you have such requirements the specific architectures would need wrappers to copy the data, or do pref/post fix up (ala crc32 & avx implementations on non perfect boundary)