I ended up writing asm for the important part: https://github.com/cloudflare/jpegtran/blob/vlad/arm/jchuff_util_armv8.S https://github.com/cloudflare/jpegtran/

I ended up writing asm for the important part: https://github.com/cloudflare/jpegtran/blob/vlad/arm/jchuff_util_armv8.S https://github.com/cloudflare/jpegtran/blob/vlad/arm/jchuff_...