Function `_mm256_mask_broadcast_f32x4`

#[target_feature(enable = "avx512f", enable = "avx512vl")]
pub const fn _mm256_mask_broadcast_f32x4(src: __m256, k: __mmask8, a: __m128) -> __m256

Broadcast the 4 packed single-precision (32-bit) floating-point elements from a to all elements of dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

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