Function _mm256_extractf128_pd

pub unsafe fn _mm256_extractf128_pd(a: __m256d, const IMM1: i32) -> __m128d

Available on (x86 or x86-64) and target feature avx and x86-64 only.

Extracts 128 bits (composed of 2 packed double-precision (64-bit) floating-point elements) from a, selected with imm8.

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