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Merge pull request #10102 from seiko2plus:coreVsxPacksFix

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This commit is contained in:
Alexander Alekhin 2017-11-17 19:01:38 +00:00
commit b45403ed75
1 changed files with 6 additions and 5 deletions
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11
modules/core/include/opencv2/core/vsx_utils.hpp
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@ -254,12 +254,8 @@ FORCE_INLINE(rt) fnm(const rg& a, const rg& b) \
FORCE_INLINE(vec_bdword2) vec_nor(const vec_bdword2& a, const vec_bdword2& b)
{ return vec_bdword2_c(__builtin_vec_nor(vec_dword2_c(a), vec_dword2_c(b))); }
#endif // __GNUG__ < 6
#if __GNUG__ < 5
// 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)))
// vec_packs doesn't support double words in gcc4
// vec_packs doesn't support double words in gcc4 and old versions of gcc5
# undef vec_packs
VSX_REDIRECT_2RG(vec_char16, vec_short8, vec_packs, __builtin_vec_packs)
VSX_REDIRECT_2RG(vec_uchar16, vec_ushort8, vec_packs, __builtin_vec_packs)
@ -268,6 +264,11 @@ FORCE_INLINE(rt) fnm(const rg& a, const rg& b) \
VSX_IMPL_2VRG_F(vec_int4, vec_dword2, "vpksdss %0,%2,%1", vec_packs)
VSX_IMPL_2VRG_F(vec_uint4, vec_udword2, "vpkudus %0,%2,%1", vec_packs)
#endif // __GNUG__ < 6
#if __GNUG__ < 5
// 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)))
#else
# define vec_permi vec_xxpermdi
#endif // __GNUG__ < 5