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Update documentation

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Jeffrey Walton 2017-11-12 16:35:44 -05:00
parent 81f0b9bd83
commit b40ca97550
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GPG Key ID: B36AB348921B1838
3 changed files with 23 additions and 1 deletions
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5
blake2-simd.cpp
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@ -11,6 +11,11 @@
#include "misc.h" #include "misc.h"
#include "blake2.h" #include "blake2.h"
// Uncomment for benchmarking C++ against SSE2 or NEON.
// Do so in both blake2.cpp and blake2-simd.cpp.
// #undef CRYPTOPP_SSE42_AVAILABLE
// #undef CRYPTOPP_ARM_NEON_AVAILABLE
#if !(defined(__ARM_NEON) || defined(_MSC_VER)) #if !(defined(__ARM_NEON) || defined(_MSC_VER))
# undef CRYPTOPP_ARM_NEON_AVAILABLE # undef CRYPTOPP_ARM_NEON_AVAILABLE
#endif #endif

3
blake2.cpp
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@ -12,7 +12,8 @@
NAMESPACE_BEGIN(CryptoPP) NAMESPACE_BEGIN(CryptoPP)
// Uncomment for benchmarking C++ against SSE2 or NEON // Uncomment for benchmarking C++ against SSE2 or NEON.
// Do so in both blake2.cpp and blake2-simd.cpp.
// #undef CRYPTOPP_SSE42_AVAILABLE // #undef CRYPTOPP_SSE42_AVAILABLE
// #undef CRYPTOPP_ARM_NEON_AVAILABLE // #undef CRYPTOPP_ARM_NEON_AVAILABLE

16
cpu.h
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@ -80,6 +80,9 @@ CRYPTOPP_DLL void CRYPTOPP_API DetectX86Features();
CRYPTOPP_DLL bool CRYPTOPP_API CpuId(word32 func, word32 subfunc, word32 output[4]); CRYPTOPP_DLL bool CRYPTOPP_API CpuId(word32 func, word32 subfunc, word32 output[4]);
#endif // CRYPTOPP_DOXYGEN_PROCESSING #endif // CRYPTOPP_DOXYGEN_PROCESSING
//! \name IA-32 CPU FEATURES
//@{
//! \brief Determines SSE2 availability //! \brief Determines SSE2 availability
//! \returns true if SSE2 is determined to be available, false otherwise //! \returns true if SSE2 is determined to be available, false otherwise
//! \details MMX, SSE and SSE2 are core processor features for x86_64, and //! \details MMX, SSE and SSE2 are core processor features for x86_64, and
@ -264,6 +267,8 @@ inline int GetCacheLineSize()
DetectX86Features(); DetectX86Features();
return g_cacheLineSize; return g_cacheLineSize;
} }
//@}
#endif // CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 #endif // CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64
// ***************************** ARM-32, Aarch32 and Aarch64 ***************************** // // ***************************** ARM-32, Aarch32 and Aarch64 ***************************** //
@ -277,6 +282,9 @@ extern bool g_hasNEON, g_hasPMULL, g_hasCRC32, g_hasAES, g_hasSHA1, g_hasSHA2;
void CRYPTOPP_API DetectArmFeatures(); void CRYPTOPP_API DetectArmFeatures();
#endif // CRYPTOPP_DOXYGEN_PROCESSING #endif // CRYPTOPP_DOXYGEN_PROCESSING
//! \name ARM A-32, Aarch32 and AArch64 CPU FEATURES
//@{
//! \brief Determine if an ARM processor has Advanced SIMD available //! \brief Determine if an ARM processor has Advanced SIMD available
//! \returns true if the hardware is capable of Advanced SIMD at runtime, false otherwise. //! \returns true if the hardware is capable of Advanced SIMD at runtime, false otherwise.
//! \details Advanced SIMD instructions are available under most ARMv7, Aarch32 and Aarch64. //! \details Advanced SIMD instructions are available under most ARMv7, Aarch32 and Aarch64.
@ -389,6 +397,9 @@ inline bool HasSHA2()
return false; return false;
#endif #endif
} }
//@}
#endif // CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64 #endif // CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64
// ***************************** PowerPC ***************************** // // ***************************** PowerPC ***************************** //
@ -403,6 +414,9 @@ extern word32 g_cacheLineSize;
void CRYPTOPP_API DetectPowerpcFeatures(); void CRYPTOPP_API DetectPowerpcFeatures();
#endif // CRYPTOPP_DOXYGEN_PROCESSING #endif // CRYPTOPP_DOXYGEN_PROCESSING
//! \name POWERPC CPU FEATURES
//@{
//! \brief Determine if a PowerPC processor has Altivec available //! \brief Determine if a PowerPC processor has Altivec available
//! \returns true if the hardware is capable of Altivec at runtime, false otherwise. //! \returns true if the hardware is capable of Altivec at runtime, false otherwise.
//! \details Altivec instructions are available under most modern PowerPCs. //! \details Altivec instructions are available under most modern PowerPCs.
@ -511,6 +525,8 @@ inline int GetCacheLineSize()
return g_cacheLineSize; return g_cacheLineSize;
} }
//@}
#endif // CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64 #endif // CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64
// ***************************** L1 cache line ***************************** // // ***************************** L1 cache line ***************************** //