Function core::arch::x86_64::_mm256_unpacklo_epi16

pub unsafe fn _mm256_unpacklo_epi16(a: __m256i, b: __m256i) -> __m256i

This is supported on x86-64 and target feature avx2 only.

Unpack and interleave 16-bit integers from the low half of each 128-bit lane of a and b.

#[cfg(target_arch = "x86")]
use std::arch::x86::*;
#[cfg(target_arch = "x86_64")]
use std::arch::x86_64::*;


let a = _mm256_setr_epi16(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
let b = _mm256_setr_epi16(0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15);

let c = _mm256_unpacklo_epi16(a, b);

let expected = _mm256_setr_epi16(0, 0, 1,-1, 2,-2, 3,-3, 8,-8, 9,-9, 10,-10,
11,-11);
assert_eq!(_mm256_movemask_epi8(_mm256_cmpeq_epi8(c, expected)), !0);

Intel's documentation