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core: fix ARM intrinsincs

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'0' is specific case (make no sence as a standalone operation),
but it can be useful in template-based programming.

reverts commit: a58c9d4d63
This commit is contained in:
Alexander Alekhin
2018-05-07 02:54:10 +03:00
parent 959a12cbac
commit 352510cc19
2 changed files with 15 additions and 11 deletions
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modules/core/include/opencv2/core/hal/intrin_neon.hpp
+5 -1
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@@ -786,10 +786,14 @@ template<int n> inline _Tpvec v_rotate_right(const _Tpvec& a) \
{ return _Tpvec(vextq_##suffix(a.val, vdupq_n_##suffix(0), n)); } \
template<int n> inline _Tpvec v_rotate_left(const _Tpvec& a) \
{ return _Tpvec(vextq_##suffix(vdupq_n_##suffix(0), a.val, _Tpvec::nlanes - n)); } \
template<> inline _Tpvec v_rotate_left<0>(const _Tpvec& a) \
{ return a; } \
template<int n> inline _Tpvec v_rotate_right(const _Tpvec& a, const _Tpvec& b) \
{ return _Tpvec(vextq_##suffix(a.val, b.val, n)); } \
template<int n> inline _Tpvec v_rotate_left(const _Tpvec& a, const _Tpvec& b) \
{ return _Tpvec(vextq_##suffix(b.val, a.val, _Tpvec::nlanes - n)); }
{ return _Tpvec(vextq_##suffix(b.val, a.val, _Tpvec::nlanes - n)); } \
template<> inline _Tpvec v_rotate_left<0>(const _Tpvec& a, const _Tpvec& b) \
{ CV_UNUSED(b); return a; }
OPENCV_HAL_IMPL_NEON_ROTATE_OP(v_uint8x16, u8)
OPENCV_HAL_IMPL_NEON_ROTATE_OP(v_int8x16, s8)