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fixed most of test_core failures (except for SVD)

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This commit is contained in:
Vadim Pisarevsky
2011-12-05 22:58:27 +00:00
parent 77dda061a7
commit 72c23e7bbb
5 changed files with 14 additions and 13 deletions
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modules/core/src/matmul.cpp
+4 -3
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@@ -2598,13 +2598,14 @@ static double dotProd_8u(const uchar* src1, const uchar* src2, int len)
#if CV_SSE2
if( USE_SSE2 )
{
int j, len0 = len & -4, blockSize0 = (1 << 15), blockSize;
int j, len0 = len & -4, blockSize0 = (1 << 13), blockSize;
__m128i z = _mm_setzero_si128();
while( i < len0 )
{
blockSize = std::min(len0 - i, blockSize0);
__m128i s = _mm_setzero_si128();
for( j = 0; j <= blockSize - 16; j += 16 )
j = 0;
for( ; j <= blockSize - 16; j += 16 )
{
__m128i b0 = _mm_loadu_si128((const __m128i*)(src1 + j));
__m128i b1 = _mm_loadu_si128((const __m128i*)(src2 + j));
@@ -2614,7 +2615,7 @@ static double dotProd_8u(const uchar* src1, const uchar* src2, int len)
s1 = _mm_unpacklo_epi8(b1, z);
s3 = _mm_unpackhi_epi8(b1, z);
s0 = _mm_madd_epi16(s0, s1);
s1 = _mm_madd_epi16(s2, s3);
s2 = _mm_madd_epi16(s2, s3);
s = _mm_add_epi32(s, s0);
s = _mm_add_epi32(s, s2);
}