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Fix unaligned load for _mm_loaddup_pd with GCC and UBsan

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This commit is contained in:
Jeffrey Walton 2017-12-26 14:55:10 -05:00
parent 3fff9e85df
commit 4904d0fc8d
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GPG Key ID: B36AB348921B1838
2 changed files with 34 additions and 40 deletions
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38
simon-simd.cpp
View File

@ -36,6 +36,12 @@
# include <immintrin.h>
#endif
// https://www.spinics.net/lists/gcchelp/msg47735.html and
// https://www.spinics.net/lists/gcchelp/msg47749.html
#if (CRYPTOPP_GCC_VERSION >= 40900)
# define GCC_NO_UBSAN __attribute__ ((no_sanitize_undefined))
#endif
ANONYMOUS_NAMESPACE_BEGIN
using CryptoPP::byte;
@ -585,20 +591,10 @@ inline void SIMON128_Dec_6_Blocks(uint64x2_t &block0, uint64x2_t &block1,
// GCC double casts, https://www.spinics.net/lists/gcchelp/msg47735.html
#ifndef DOUBLE_CAST
# if (CRYPTOPP_GCC_VERSION >= 40900)
typedef double __attribute__((__aligned__(1))) double_u;
# define DOUBLE_CAST(x) ((double_u *)(void *)(x))
# else
# define DOUBLE_CAST(x) ((double *)(void *)(x))
# endif
# define DOUBLE_CAST(x) ((double *)(void *)(x))
#endif
#ifndef CONST_DOUBLE_CAST
# if (CRYPTOPP_GCC_VERSION >= 40900)
typedef double __attribute__((__aligned__(1))) double_cu;
# define CONST_DOUBLE_CAST(x) ((const double_cu *)(const void *)(x))
# else
# define CONST_DOUBLE_CAST(x) ((const double *)(const void *)(x))
# endif
# define CONST_DOUBLE_CAST(x) ((const double *)(const void *)(x))
#endif
inline void Swap128(__m128i& a,__m128i& b)
@ -662,7 +658,8 @@ inline __m128i SIMON128_f(const __m128i& v)
_mm_and_si128(RotateLeft64<1>(v), RotateLeft64<8>(v)));
}
inline void SIMON128_Enc_Block(__m128i &block0, __m128i &block1, const word64 *subkeys, unsigned int rounds)
inline void GCC_NO_UBSAN SIMON128_Enc_Block(__m128i &block0, __m128i &block1,
const word64 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
// a big-endian byte array. Depending on the number of blocks it needs to
@ -702,7 +699,7 @@ inline void SIMON128_Enc_Block(__m128i &block0, __m128i &block1, const word64 *s
block1 = _mm_unpackhi_epi64(x1, y1);
}
inline void SIMON128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word64 *subkeys, unsigned int rounds)
{
@ -766,7 +763,8 @@ inline void SIMON128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
block5 = _mm_unpackhi_epi64(x3, y3);
}
inline void SIMON128_Dec_Block(__m128i &block0, __m128i &block1, const word64 *subkeys, unsigned int rounds)
inline void GCC_NO_UBSAN SIMON128_Dec_Block(__m128i &block0, __m128i &block1,
const word64 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
// a big-endian byte array. Depending on the number of blocks it needs to
@ -807,7 +805,7 @@ inline void SIMON128_Dec_Block(__m128i &block0, __m128i &block1, const word64 *s
block1 = _mm_unpackhi_epi64(x1, y1);
}
inline void SIMON128_Dec_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON128_Dec_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word64 *subkeys, unsigned int rounds)
{
@ -913,7 +911,7 @@ inline __m128i SIMON64_f(const __m128i& v)
_mm_and_si128(RotateLeft32<1>(v), RotateLeft32<8>(v)));
}
inline void SIMON64_Enc_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON64_Enc_Block(__m128i &block0, __m128i &block1,
const word32 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -955,7 +953,7 @@ inline void SIMON64_Enc_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi32(x1, y1);
}
inline void SIMON64_Dec_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON64_Dec_Block(__m128i &block0, __m128i &block1,
const word32 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -998,7 +996,7 @@ inline void SIMON64_Dec_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi32(x1, y1);
}
inline void SIMON64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word32 *subkeys, unsigned int rounds)
{
@ -1069,7 +1067,7 @@ inline void SIMON64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
block5 = _mm_unpackhi_epi32(x3, y3);
}
inline void SIMON64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SIMON64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word32 *subkeys, unsigned int rounds)
{

36
speck-simd.cpp
View File

@ -45,6 +45,12 @@
# include <immintrin.h>
#endif
// https://www.spinics.net/lists/gcchelp/msg47735.html and
// https://www.spinics.net/lists/gcchelp/msg47749.html
#if (CRYPTOPP_GCC_VERSION >= 40900)
# define GCC_NO_UBSAN __attribute__ ((no_sanitize_undefined))
#endif
ANONYMOUS_NAMESPACE_BEGIN
using CryptoPP::byte;
@ -545,20 +551,10 @@ inline void SPECK128_Dec_6_Blocks(uint64x2_t &block0, uint64x2_t &block1,
// GCC double casts, https://www.spinics.net/lists/gcchelp/msg47735.html
#ifndef DOUBLE_CAST
# if (CRYPTOPP_GCC_VERSION >= 40900)
typedef double __attribute__((__aligned__(1))) double_u;
# define DOUBLE_CAST(x) ((double_u *)(void *)(x))
# else
# define DOUBLE_CAST(x) ((double *)(void *)(x))
# endif
# define DOUBLE_CAST(x) ((double *)(void *)(x))
#endif
#ifndef CONST_DOUBLE_CAST
# if (CRYPTOPP_GCC_VERSION >= 40900)
typedef double __attribute__((__aligned__(1))) double_cu;
# define CONST_DOUBLE_CAST(x) ((const double_cu *)(const void *)(x))
# else
# define CONST_DOUBLE_CAST(x) ((const double *)(const void *)(x))
# endif
# define CONST_DOUBLE_CAST(x) ((const double *)(const void *)(x))
#endif
#if defined(CRYPTOPP_AVX512_ROTATE)
@ -606,7 +602,7 @@ inline __m128i RotateRight64<8>(const __m128i& val)
#endif // CRYPTOPP_AVX512_ROTATE
inline void SPECK128_Enc_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK128_Enc_Block(__m128i &block0, __m128i &block1,
const word64 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -640,7 +636,7 @@ inline void SPECK128_Enc_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi64(x1, y1);
}
inline void SPECK128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word64 *subkeys, unsigned int rounds)
{
@ -701,7 +697,7 @@ inline void SPECK128_Enc_6_Blocks(__m128i &block0, __m128i &block1,
block5 = _mm_unpackhi_epi64(x3, y3);
}
inline void SPECK128_Dec_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK128_Dec_Block(__m128i &block0, __m128i &block1,
const word64 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -735,7 +731,7 @@ inline void SPECK128_Dec_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi64(x1, y1);
}
inline void SPECK128_Dec_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK128_Dec_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word64 *subkeys, unsigned int rounds)
{
@ -830,7 +826,7 @@ inline __m128i RotateRight32<8>(const __m128i& val)
return _mm_shuffle_epi8(val, mask);
}
inline void SPECK64_Enc_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK64_Enc_Block(__m128i &block0, __m128i &block1,
const word32 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -867,7 +863,7 @@ inline void SPECK64_Enc_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi32(x1, y1);
}
inline void SPECK64_Dec_Block(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK64_Dec_Block(__m128i &block0, __m128i &block1,
const word32 *subkeys, unsigned int rounds)
{
// Rearrange the data for vectorization. The incoming data was read from
@ -904,7 +900,7 @@ inline void SPECK64_Dec_Block(__m128i &block0, __m128i &block1,
block1 = _mm_unpackhi_epi32(x1, y1);
}
inline void SPECK64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word32 *subkeys, unsigned int rounds)
{
@ -974,7 +970,7 @@ inline void SPECK64_Enc_6_Blocks(__m128i &block0, __m128i &block1,
block5 = _mm_unpackhi_epi32(x3, y3);
}
inline void SPECK64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
inline void GCC_NO_UBSAN SPECK64_Dec_6_Blocks(__m128i &block0, __m128i &block1,
__m128i &block2, __m128i &block3, __m128i &block4, __m128i &block5,
const word32 *subkeys, unsigned int rounds)
{