Function `_mm256_mask_broadcast_f64x2`

#[target_feature(enable = "avx512dq", enable = "avx512vl")]
pub const fn _mm256_mask_broadcast_f64x2(src: __m256d, k: __mmask8, a: __m128d) -> __m256d

Broadcasts the 2 packed double-precision (64-bit) floating-point elements from a to all elements of dst using writemask k (elements are copied from src if the corresponding bit is not set).

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