From f10816e857bfd7d695635c6ee8f21b7649bb4e8f Mon Sep 17 00:00:00 2001 From: Jack O'Connor Date: Tue, 22 Nov 2022 01:18:58 -0800 Subject: fix from @sneves --- c/blake3_avx512.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/c/blake3_avx512.c b/c/blake3_avx512.c index 9c35b08..3face79 100644 --- a/c/blake3_avx512.c +++ b/c/blake3_avx512.c @@ -1050,8 +1050,9 @@ INLINE void load_counters16(uint64_t counter, bool increment_counter, const __m512i add0 = _mm512_set_epi32(15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); const __m512i add1 = _mm512_and_si512(mask, add0); __m512i l = _mm512_add_epi32(_mm512_set1_epi32((int32_t)counter), add1); - __mmask16 carry = _mm512_cmp_epu32_mask(l, add1, _MM_CMPINT_LT); - __m512i h = _mm512_mask_add_epi32(_mm512_set1_epi32((int32_t)(counter >> 32)), carry, _mm512_set1_epi32((int32_t)(counter >> 32)), _mm512_set1_epi32(1)); + __m512i carry = _mm512_sub_epi32(l, add1); + carry = _mm512_srli_epi32(carry, 31); // 1 if less than + __m512i h = _mm512_add_epi32(_mm512_set1_epi32((int32_t)(counter >> 32)), carry); *out_lo = l; *out_hi = h; } -- cgit v1.2.3