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Add emulation for SSE2 instructions requiring 64-bit registers

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This commit is contained in:
Frank Denis
2017-03-05 23:06:53 +01:00
parent e8182741b5
commit 9e87eb1365
1 changed files with 26 additions and 6 deletions
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src/libsodium/include/sodium/private/common.h
+26 -6
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@@ -195,7 +195,7 @@ store32_be(uint8_t dst[4], uint32_t w)
#if defined(_MSC_VER) && \
(defined(_M_X64) || defined(_M_AMD64) || defined(_M_IX86))
#include <intrin.h>
# include <intrin.h>
# define HAVE_INTRIN_H 1
# define HAVE_MMINTRIN_H 1
@@ -210,8 +210,16 @@ 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))
#elif defined(HAVE_INTRIN_H)
# include <intrin.h>
#endif
#if defined(HAVE_EMMINTRIN_H) && \
!(defined(__amd64) || defined(__amd64__) || defined(__x86_64__) || \
defined(_M_X64) || defined(_M_AMD64))
# ifndef _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)
{
@@ -219,7 +227,10 @@ sodium__mm_set_epi64x(int64_t q1, int64_t q0)
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)
# endif
# ifndef _mm_set1_epi64x
# define _mm_set1_epi64x(Q) sodium__mm_set1_epi64x(Q)
static inline __m128i
sodium__mm_set1_epi64x(int64_t q)
{
@@ -227,8 +238,17 @@ sodium__mm_set1_epi64x(int64_t q)
}
# endif
#elif defined(HAVE_INTRIN_H)
# include <intrin.h>
# ifndef _mm_cvtsi64_si128
# define _mm_cvtsi64_si128(Q) sodium__mm_cvtsi64_si128(Q)
static inline __m128i
sodium__mm_cvtsi64_si128(int64_t q)
{
union { int64_t as64; int32_t as32[2]; } x;
x.as64 = q;
return _mm_setr_epi32(x.as32[0], x.as32[1], 0, 0);
}
# endif
#endif
#endif