Function _mm_permutex2var_ph

#[target_feature(enable = "avx512fp16", enable = "avx512vl")]
pub fn _mm_permutex2var_ph(a: __m128h, idx: __m128i, b: __m128h) -> __m128h

Shuffle half-precision (16-bit) floating-point elements in a and b using the corresponding selector and index in idx, and store the results in dst.

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