Function core::arch::x86_64::_mm256_extractf128_pd

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

This is supported on x86-64 and target feature avx only.

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

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