Function core::arch::x86::_mm512_mask_broadcast_f64x4

pub unsafe fn _mm512_mask_broadcast_f64x4(
    src: __m512d, 
    k: __mmask8, 
    a: __m256d
) -> __m512d

🔬 This is a nightly-only experimental API. (stdsimd #48556)

This is supported on x86 and target feature avx512f only.

Broadcast the 4 packed double-precision (64-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).

Intel’s documentation