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Merge pull request #26547 from mshabunin:fix-type-cast

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Fixed several cases of unaligned pointer cast
This commit is contained in:
Alexander Smorkalov
2024-12-03 11:08:45 +03:00
committed by GitHub
parent 8897002fcc c58b6bf11f
commit 03cedee0b0
3 changed files with 22 additions and 6 deletions
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modules/core/src/stat.simd.hpp
+14 -4
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@@ -48,12 +48,16 @@ int normHamming(const uchar* a, int n)
# if defined CV_POPCNT_U64
for(; i <= n - 8; i += 8)
{
result += (int)CV_POPCNT_U64(*(uint64*)(a + i));
uint64_t val;
std::memcpy(&val, a + i, sizeof(val));
result += (int)CV_POPCNT_U64(val);
}
# endif
for(; i <= n - 4; i += 4)
{
result += CV_POPCNT_U32(*(uint*)(a + i));
uint32_t val;
std::memcpy(&val, a + i, sizeof(val));
result += CV_POPCNT_U32(val);
}
}
#endif
@@ -92,12 +96,18 @@ int normHamming(const uchar* a, const uchar* b, int n)
# if defined CV_POPCNT_U64
for(; i <= n - 8; i += 8)
{
result += (int)CV_POPCNT_U64(*(uint64*)(a + i) ^ *(uint64*)(b + i));
uint64_t val_a, val_b;
std::memcpy(&val_a, a + i, sizeof(val_a));
std::memcpy(&val_b, b + i, sizeof(val_b));
result += (int)CV_POPCNT_U64(val_a ^ val_b);
}
# endif
for(; i <= n - 4; i += 4)
{
result += CV_POPCNT_U32(*(uint*)(a + i) ^ *(uint*)(b + i));
uint32_t val_a, val_b;
std::memcpy(&val_a, a + i, sizeof(val_a));
std::memcpy(&val_b, b + i, sizeof(val_b));
result += (int)CV_POPCNT_U32(val_a ^ val_b);
}
}
#endif