Redo 'Fixes GCC 4.9 compilation. It now supplies its own _mm_shuffle_epi8 intrinsic.' This time with support for Windows.
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@ -31,7 +31,12 @@ struct ArraySizeImpl : public std::extent<T>
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#define b32(x) (b16(x) | (b16(x) >>16) )
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#define ROUND_UP_POW2(x) (b32(x - 1) + 1)
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#if defined __GNUC__ && !defined __SSSE3__ && !defined _M_GENERIC
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#ifndef __GNUC_PREREQ
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#define __GNUC_PREREQ(a, b) 0
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#endif
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#if (defined __GNUC__ && !__GNUC_PREREQ(4,9)) \
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&& !defined __SSSE3__ && !defined _M_GENERIC
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#include <emmintrin.h>
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static __inline __m128i __attribute__((__always_inline__))
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_mm_shuffle_epi8(__m128i a, __m128i mask)
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