pub unsafe fn _mm256_mask_fmadd_ps(
    a: __m256,
    k: u8,
    b: __m256,
    c: __m256
) -> __m256
🔬This is a nightly-only experimental API. (stdsimd)
Available on non-crate feature miri-test-libstd and x86-64 only.
Expand description

Multiply packed single-precision (32-bit) floating-point elements in a and b, add the intermediate result to packed elements in c, and store the results in dst using writemask k (elements are copied from a when the corresponding mask bit is not set).

Intel’s documentation