Function core::arch::x86_64::_mm256_unpackhi_epi8 1.27.0[−][src]
pub unsafe fn _mm256_unpackhi_epi8(a: __m256i, b: __m256i) -> __m256i
This is supported on x86-64 and target feature
avx2
only.Expand description
Unpacks and interleave 8-bit integers from the high half of each
128-bit lane in 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_epi8(
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
);
let b = _mm256_setr_epi8(
0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15,
-16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29,
-30, -31,
);
let c = _mm256_unpackhi_epi8(a, b);
let expected = _mm256_setr_epi8(
8, -8, 9, -9, 10, -10, 11, -11, 12, -12, 13, -13, 14, -14, 15, -15,
24, -24, 25, -25, 26, -26, 27, -27, 28, -28, 29, -29, 30, -30, 31,
-31,
);
assert_eq!(_mm256_movemask_epi8(_mm256_cmpeq_epi8(c, expected)), !0);
Run