I have the same issue. I want to use SIMD to do ANDs between large buffers and also be able to detect if a buffer is empty (all zeroes) after an AND. It doesn't

I have the same issue. I want to use SIMD to do ANDs between large buffers and also be able to detect if a buffer is empty (all zeroes) after an AND. It doesn't seem possible to do this without iterating over the entire buffer again because vpand() doesn't affect the eflags register.