diff options
Diffstat (limited to 'src/block/idea_sse2/idea_sse2.cpp')
| -rw-r--r-- | src/block/idea_sse2/idea_sse2.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/block/idea_sse2/idea_sse2.cpp b/src/block/idea_sse2/idea_sse2.cpp index 81b0fd9c1..70698560d 100644 --- a/src/block/idea_sse2/idea_sse2.cpp +++ b/src/block/idea_sse2/idea_sse2.cpp @@ -28,7 +28,9 @@ inline __m128i mul(__m128i X, u16bit K_16) __m128i T = _mm_sub_epi16(mul_lo, mul_hi); // Unsigned compare; cmp = 1 if mul_lo < mul_hi else 0 - const __m128i cmp = _mm_min_epu8(ones, _mm_subs_epu16(mul_hi, mul_lo)); + const __m128i subs = _mm_subs_epu16(mul_hi, mul_lo); + const __m128i cmp = _mm_min_epu8( + _mm_or_si128(subs, _mm_srli_epi16(subs, 8)), ones); T = _mm_add_epi16(T, cmp); |