Function _mm_cvti32_sh

#[target_feature(enable = "avx512fp16")]
pub fn _mm_cvti32_sh(a: __m128h, b: i32) -> __m128h

Convert the signed 32-bit integer b to a half-precision (16-bit) floating-point element, store the result in the lower element of dst, and copy the upper 7 packed elements from a to the upper elements of dst.

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