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_mm_set_epi64x() emulation for MSVC < 2015

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This commit is contained in:
Frank Denis
2017-02-28 16:27:45 +01:00
parent 72426ed9c0
commit bf9b322334
1 changed files with 16 additions and 0 deletions
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src/libsodium/include/sodium/private/common.h
+16
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@@ -209,6 +209,22 @@ store32_be(uint8_t dst[4], uint32_t w)
# if _MSC_VER >= 1700 && defined(_M_X64)
# define HAVE_AVX2INTRIN_H 1
# endif
# if _MSC_VER < 1900 && !defined(_mm_set_epi64x)
#define _mm_set_epi64x(Q0, Q1) sodium__mm_set_epi64x((Q0), (Q1))
static inline __m128i
sodium__mm_set_epi64x(int64_t q1, int64_t q0)
{
union { int64_t as64; int32_t as32[2]; } x0, x1;
x0.as64 = q0; x1.as64 = q1;
return _mm_set_epi32(x1.as32[1], x1.as32[0], x0.as32[1], x0.as32[0]);
}
#define _mm_set1_epi64x(Q) sodium__mm_set1_epi64x(Q)
static inline __m128i
sodium__mm_set1_epi64x(int64_t q)
{
return _mm_set_epi64x(q, q);
}
# endif
#endif
#endif