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-rw-r--r--xmrstak/backend/cpu/crypto/cryptonight_aesni.h13
1 files changed, 6 insertions, 7 deletions
diff --git a/xmrstak/backend/cpu/crypto/cryptonight_aesni.h b/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
index 9b6e1dc..e4ccbc3 100644
--- a/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
+++ b/xmrstak/backend/cpu/crypto/cryptonight_aesni.h
@@ -317,10 +317,9 @@ void cryptonight_hash(const void* input, size_t len, void* output, cryptonight_c
_mm_store_si128((__m128i *)&l0[idx0 & MASK], _mm_xor_si128(bx0, cx));
idx0 = _mm_cvtsi128_si64(cx);
- bx0 = cx;
-
if(PREFETCH)
_mm_prefetch((const char*)&l0[idx0 & MASK], _MM_HINT_T0);
+ bx0 = cx;
uint64_t hi, lo, cl, ch;
cl = ((uint64_t*)&l0[idx0 & MASK])[0];
@@ -329,15 +328,15 @@ void cryptonight_hash(const void* input, size_t len, void* output, cryptonight_c
lo = _umul128(idx0, cl, &hi);
al0 += hi;
- ah0 += lo;
((uint64_t*)&l0[idx0 & MASK])[0] = al0;
+ al0 ^= cl;
+ if(PREFETCH)
+ _mm_prefetch((const char*)&l0[al0 & MASK], _MM_HINT_T0);
+ ah0 += lo;
((uint64_t*)&l0[idx0 & MASK])[1] = ah0;
ah0 ^= ch;
- al0 ^= cl;
- idx0 = al0;
- if(PREFETCH)
- _mm_prefetch((const char*)&l0[idx0 & MASK], _MM_HINT_T0);
+ idx0 = al0;
}
// Optim - 90% time boundary
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