arch:: x86_64:: _mm_movemask_pi8
pub unsafe fn _mm_movemask_pi8(a: __m64) -> i32
🔬 This is a nightly-only experimental API. (
This is supported on x86-64 and target feature
Takes the most significant bit from each 8-bit element in a 64-bit integer vector to create a 16-bit mask value. Zero-extends the value to 32-bit integer and writes it to the destination.