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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2023-01-21 18:19:39 +00:00
parent 3085fc6345 b71a168937
commit 18cbfa4a4f
74 changed files with 249 additions and 228 deletions
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modules/core/src/system.cpp
+9
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@@ -247,6 +247,7 @@ std::wstring GetTempFileNameWinRT(std::wstring prefix)
#if defined __MACH__ && defined __APPLE__
#include <mach/mach.h>
#include <mach/mach_time.h>
#include <sys/sysctl.h>
#endif
#endif
@@ -635,6 +636,14 @@ struct HWFeatures
#if (defined __ARM_FP && (((__ARM_FP & 0x2) != 0) && defined __ARM_NEON__))
have[CV_CPU_FP16] = true;
#endif
#if (defined __ARM_FEATURE_DOTPROD)
int has_feat_dotprod = 0;
size_t has_feat_dotprod_size = sizeof(has_feat_dotprod);
sysctlbyname("hw.optional.arm.FEAT_DotProd", &has_feat_dotprod, &has_feat_dotprod_size, NULL, 0);
if (has_feat_dotprod) {
have[CV_CPU_NEON_DOTPROD] = true;
}
#endif
#elif (defined __clang__)
#if (defined __ARM_NEON__ || (defined __ARM_NEON && defined __aarch64__))
have[CV_CPU_NEON] = true;