core::arch::x86_64

Function _mm_mask_cvtsd_sh

source 
pub unsafe fn _mm_mask_cvtsd_sh(
    src: __m128h,
    k: __mmask8,
    a: __m128h,
    b: __m128d,
) -> __m128h
🔬This is a nightly-only experimental API. (stdarch_x86_avx512_f16 #127213)
Available on (x86 or x86-64) and target feature avx512fp16 and x86-64 only.
Expand description

Convert the lower double-precision (64-bit) floating-point element in b to a half-precision (16-bit) floating-point elements, store the result in the lower element of dst using writemask k (the element if copied from src when mask bit 0 is not set), and copy the upper 7 packed elements from a to the upper elements of dst.

Intel’s documentation