pub unsafe fn _mm_mask_cvtepi8_epi64(src: __m128i, k: u8, a: __m128i) -> __m128i🔬This is a nightly-only experimental API. (
stdarch_x86_avx512)Available on x86-64 only.
Expand description
Sign extend packed 8-bit integers in the low 2 bytes of a to packed 64-bit integers, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).