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Add XOP aware SIMECK

pull/730/head
Jeffrey Walton 2018-10-24 17:49:04 -04:00
parent babdf8b38b
commit 67f421174c
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GPG Key ID: B36AB348921B1838
1 changed files with 16 additions and 0 deletions
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16
simeck-simd.cpp
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@ -22,6 +22,10 @@
# include <tmmintrin.h>
#endif
#if defined(__XOP__)
# include <ammintrin.h>
#endif
#if defined(__AVX512F__) && defined(__AVX512VL__)
# define CRYPTOPP_AVX512_ROTATE 1
# include <immintrin.h>
@ -44,6 +48,8 @@ inline __m128i RotateLeft32(const __m128i& val)
{
#if defined(CRYPTOPP_AVX512_ROTATE)
return _mm_rol_epi32(val, R);
#elif defined(__XOP__)
return _mm_roti_epi32(val, R);
#else
return _mm_or_si128(
_mm_slli_epi32(val, R), _mm_srli_epi32(val, 32-R));
@ -55,6 +61,8 @@ inline __m128i RotateRight32(const __m128i& val)
{
#if defined(CRYPTOPP_AVX512_ROTATE)
return _mm_ror_epi32(val, R);
#elif defined(__XOP__)
return _mm_roti_epi32(val, 32-R);
#else
return _mm_or_si128(
_mm_slli_epi32(val, 32-R), _mm_srli_epi32(val, R));
@ -65,16 +73,24 @@ inline __m128i RotateRight32(const __m128i& val)
template <>
inline __m128i RotateLeft32<8>(const __m128i& val)
{
#if defined(__XOP__)
return _mm_roti_epi32(val, 8);
#else
const __m128i mask = _mm_set_epi8(14,13,12,15, 10,9,8,11, 6,5,4,7, 2,1,0,3);
return _mm_shuffle_epi8(val, mask);
#endif
}
// Faster than two Shifts and an Or. Thanks to Louis Wingers and Bryan Weeks.
template <>
inline __m128i RotateRight32<8>(const __m128i& val)
{
#if defined(__XOP__)
return _mm_roti_epi32(val, 32-8);
#else
const __m128i mask = _mm_set_epi8(12,15,14,13, 8,11,10,9, 4,7,6,5, 0,3,2,1);
return _mm_shuffle_epi8(val, mask);
#endif
}
/// \brief Unpack XMM words