diff options
-rw-r--r-- | checksum.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -217,9 +217,9 @@ static uint32_t csum_avx2(const void *buf, size_t len, uint32_t init) _mm256_unpacklo_epi32(b, zero)); } - /* Fold four 256bit sums into one 128-bit sum. TODO */ - sum256 = _mm256_add_epi64(_mm256_add_epi64(sum_a_hi, sum_a_lo), - _mm256_add_epi64(sum_b_hi, sum_b_lo)); + /* Fold four 256bit sums into one 128-bit sum. */ + sum256 = _mm256_add_epi64(_mm256_add_epi64(sum_a_hi, sum_b_lo), + _mm256_add_epi64(sum_b_hi, sum_a_lo)); sum128 = _mm_add_epi64(_mm256_extracti128_si256(sum256, 0), _mm256_extracti128_si256(sum256, 1)); |