_mm256_mask3_fmaddsub_ph in core::arch::x86_64 - Rust
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 c when the corresponding mask bit is not set).

## _mm256_mask3_fmaddsub_ph

# Function _mm256_mask3_fmaddsub_ph

Source

    pub fn _mm256_mask3_fmaddsub_ph(
        a: __m256h,
        b: __m256h,
        c: __m256h,
        k: __mmask16,
    ) -> __m256h

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512_f16` #127213)
Available on x86-64 and target feature `avx512fp16` and target feature `avx512vl` 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 c when the corresponding mask bit is not set).

Intel’s documentation