arch::[−][src] x86_64:: _mm512_mask_cvtepi8_epi64
🔬 This is a nightly-only experimental API. (
This is supported on x86-64 and target feature
Sign extend packed 8-bit integers in the low 8 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).