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core:vsx workaround for the unexpected results of vec_vbpermq in gcc4.9

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Sayed Adel 2020-01-29 14:20:55 +02:00
parent 7e6bdbad9b
commit ec033330df
1 changed files with 4 additions and 0 deletions
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4
modules/core/include/opencv2/core/vsx_utils.hpp
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@ -233,6 +233,10 @@ VSX_FINLINE(rt) fnm(const rg& a, const rg& b) \
#if __GNUG__ < 5 #if __GNUG__ < 5
// vec_xxpermdi in gcc4 missing little-endian supports just like clang // vec_xxpermdi in gcc4 missing little-endian supports just like clang
# define vec_permi(a, b, c) vec_xxpermdi(b, a, (3 ^ (((c) & 1) << 1 | (c) >> 1))) # define vec_permi(a, b, c) vec_xxpermdi(b, a, (3 ^ (((c) & 1) << 1 | (c) >> 1)))
// same as vec_xxpermdi
# undef vec_vbpermq
VSX_IMPL_2VRG(vec_udword2, vec_uchar16, vbpermq, vec_vbpermq)
VSX_IMPL_2VRG(vec_dword2, vec_char16, vbpermq, vec_vbpermq)
#else #else
# define vec_permi vec_xxpermdi # define vec_permi vec_xxpermdi
#endif // __GNUG__ < 5 #endif // __GNUG__ < 5