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core(ipp): disable SSE4.2 code path in countNonZero()

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This commit is contained in:
Alexander Alekhin 2020-12-01 14:01:42 +00:00
parent 4e4458416d
commit 91ce6ef190
1 changed files with 1 additions and 3 deletions
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4
modules/core/src/count_non_zero.dispatch.cpp
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@ -62,11 +62,9 @@ static bool ipp_countNonZero( Mat &src, int &res )
{
CV_INSTRUMENT_REGION_IPP();
#if defined __APPLE__ || (defined _MSC_VER && defined _M_IX86)
// see https://github.com/opencv/opencv/issues/17453
if (src.dims <= 2 && src.step > 520000)
if (src.dims <= 2 && src.step > 520000 && cv::ipp::getIppTopFeatures() == ippCPUID_SSE42)
return false;
#endif
#if IPP_VERSION_X100 < 201801
// Poor performance of SSE42