pub unsafe fn _mm256_mask_permutexvar_epi64(
src: __m256i,
k: __mmask8,
idx: __m256i,
a: __m256i,
) -> __m256i
🔬This is a nightly-only experimental API. (
stdarch_x86_avx512
#111137)Available on (x86 or x86-64) and target feature
avx512f,avx512vl
and x86 only.Expand description
Shuffle 64-bit integers in a across lanes using the corresponding index in idx, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).