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Merge pull request #21759 from pkubaj:patch-1

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This commit is contained in:
Alexander Alekhin 2022-03-23 19:13:12 +00:00
commit 12bae51384
1 changed files with 4 additions and 0 deletions
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modules/core/include/opencv2/core/vsx_utils.hpp
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@ -324,6 +324,7 @@ VSX_IMPL_1RG(vec_udword2, vec_float4, xvcvspuxds, vec_ctulo)
#define VSX_IMPL_CONVERT(rt, rg, fnm) \
VSX_FINLINE(rt) fnm(const rg& a) { return __builtin_convertvector(a, rt); }
#ifndef vec_permi
#if __clang_major__ < 5
// implement vec_permi in a dirty way
# define VSX_IMPL_CLANG_4_PERMI(Tvec) \
@ -351,12 +352,14 @@ VSX_FINLINE(rt) fnm(const rg& a) { return __builtin_convertvector(a, rt); }
// vec_xxpermdi is missing little-endian supports in clang 4 just like gcc4
# define vec_permi(a, b, c) vec_xxpermdi(b, a, (3 ^ (((c) & 1) << 1 | (c) >> 1)))
#endif // __clang_major__ < 5
#endif
// shift left double by word immediate
#ifndef vec_sldw
# define vec_sldw vec_xxsldwi
#endif
#if __clang_major__ < 13
// Implement vec_rsqrt since clang only supports vec_rsqrte
#ifndef vec_rsqrt
VSX_FINLINE(vec_float4) vec_rsqrt(const vec_float4& a)
@ -380,6 +383,7 @@ VSX_FINLINE(vec_udword2) vec_promote(unsigned long long a, int b)
ret[b & 1] = a;
return ret;
}
#endif
// vec_popcnt should return unsigned but clang has different thought just like gcc in vec_vpopcnt
#define VSX_IMPL_POPCNTU(Tvec, Tvec2, ucast) \