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## _mm_mask_fmsub_ss

# Function _mm_mask_fmsub_ss

1.89.0 (const: unstable) · Source

    pub fn _mm_mask_fmsub_ss(a: __m128, k: __mmask8, b: __m128, c: __m128) -> __m128

Available on x86-64 and target feature `avx512f` only.
Expand description

Multiply the lower single-precision (32-bit) floating-point elements in a and b, and subtract the lower element in c from the intermediate result. Store the result in the lower element of dst, and copy the upper 3 packed elements from a to the upper elements of dst.

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