Function _mm_cvti32_sd 

pub fn _mm_cvti32_sd(a: __m128d, b: i32) -> __m128d

Available on x86 and target feature avx512f only.

Convert the signed 32-bit integer b to a double-precision (64-bit) floating-point element, store the result in the lower element of dst, and copy the upper element from a to the upper element of dst.

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