pub unsafe fn _mm512_mask_lzcnt_epi32(
src: __m512i,
k: __mmask16,
a: __m512i,
) -> __m512i
🔬This is a nightly-only experimental API. (
stdarch_x86_avx512
#111137)Available on (x86 or x86-64) and target feature
avx512cd
and x86 only.Expand description
Counts the number of leading zero bits in each packed 32-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).