Function kvarn::prelude::compact_str::core::arch::x86_64::_mm256_mask_lzcnt_epi64
source · pub unsafe fn _mm256_mask_lzcnt_epi64(
src: __m256i,
k: u8,
a: __m256i
) -> __m256i
🔬This is a nightly-only experimental API. (
stdsimd
)Available on non-crate feature
miri-test-libstd
and x86-64 only.Expand description
Counts the number of leading zero bits in each packed 64-bit integer in a, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).