third_party/opencv
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #23131 from y-guyon:align_ptr_intrin_sse

Browse Source 
Fix misaligned-pointer-use in intrin_sse.hpp

* Fix misaligned-pointer-use in intrin_sse.hpp

* Use _mm_loadu_si32() instead of memcpy()

* Use CV_DECL_ALIGNED instead of _mm_loadu_si32()
This commit is contained in:
Yannis Guyon 2023-02-10 23:46:21 +01:00 committed by GitHub
parent c280cd7290
commit 56102737d7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
modules/core/include/opencv2/core/hal/intrin_sse.hpp
View File

@ -1921,11 +1921,12 @@ OPENCV_HAL_IMPL_SSE_EXPAND(v_int16x8, v_int32x4, short, _v128_cvtepi16_epi
OPENCV_HAL_IMPL_SSE_EXPAND(v_uint32x4, v_uint64x2, unsigned, _v128_cvtepu32_epi64) OPENCV_HAL_IMPL_SSE_EXPAND(v_uint32x4, v_uint64x2, unsigned, _v128_cvtepu32_epi64)
OPENCV_HAL_IMPL_SSE_EXPAND(v_int32x4, v_int64x2, int, _v128_cvtepi32_epi64) OPENCV_HAL_IMPL_SSE_EXPAND(v_int32x4, v_int64x2, int, _v128_cvtepi32_epi64)
#define OPENCV_HAL_IMPL_SSE_EXPAND_Q(_Tpvec, _Tp, intrin) \ #define OPENCV_HAL_IMPL_SSE_EXPAND_Q(_Tpvec, _Tp, intrin) \
inline _Tpvec v_load_expand_q(const _Tp* ptr) \ inline _Tpvec v_load_expand_q(const _Tp* ptr) \
{ \ { \
__m128i a = _mm_cvtsi32_si128(*(const int*)ptr); \ typedef int CV_DECL_ALIGNED(1) unaligned_int; \
return _Tpvec(intrin(a)); \ __m128i a = _mm_cvtsi32_si128(*(const unaligned_int*)ptr); \
return _Tpvec(intrin(a)); \
} }
OPENCV_HAL_IMPL_SSE_EXPAND_Q(v_uint32x4, uchar, _v128_cvtepu8_epi32) OPENCV_HAL_IMPL_SSE_EXPAND_Q(v_uint32x4, uchar, _v128_cvtepu8_epi32)