core::arch::x86

Function _mm256_mask_fmaddsub_ph

source 
pub unsafe fn _mm256_mask_fmaddsub_ph(
    a: __m256h,
    k: __mmask16,
    b: __m256h,
    c: __m256h,
) -> __m256h
🔬This is a nightly-only experimental API. (stdarch_x86_avx512_f16 #127213)
Available on (x86 or x86-64) and target feature avx512fp16,avx512vl and x86 only.
Expand description

Multiply packed half-precision (16-bit) floating-point elements in a and b, alternatively add and subtract packed elements in c to/from the intermediate result, and store the results in dst using writemask k (the element is copied from a when the corresponding mask bit is not set).

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