Function safe_arch::mul_i16_keep_high_m256i
source ยท pub fn mul_i16_keep_high_m256i(a: m256i, b: m256i) -> m256i
Available with target feature
avx2
only.Expand description
Multiply the i16
lanes and keep the high half of each 32-bit output.
let a = m256i::from([5_i16, 6, 2, 5, 4, 3, 1, 0, -12, 13, 56, 21, 8, 7, 6, 5]);
let b = m256i::from([12000_i16, 13000, -2, -8, 0, 1, 2, 3, 8, 7, 6, 5, 234, 654, 123, 978]);
let c: [i16; 16] = mul_i16_keep_high_m256i(a, b).into();
assert_eq!(c, [0_i16, 1, -1, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0]);
- Intrinsic:
_mm256_mulhi_epi16
- Assembly:
vpmulhw ymm, ymm, ymm