Available on (x86 or x86-64) and target feature
avx2
and x86 only.Expand description
Unpacks and interleave 64-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_epi64x(0, 1, 2, 3);
let b = _mm256_setr_epi64x(0, -1, -2, -3);
let c = _mm256_unpacklo_epi64(a, b);
let expected = _mm256_setr_epi64x(0, 0, 2, -2);
assert_eq!(_mm256_movemask_epi8(_mm256_cmpeq_epi8(c, expected)), !0);
Run