diff options
Diffstat (limited to 'src/Crypto/config.h')
| -rw-r--r-- | src/Crypto/config.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/Crypto/config.h b/src/Crypto/config.h index da9276db..d3638121 100644 --- a/src/Crypto/config.h +++ b/src/Crypto/config.h @@ -38,6 +38,10 @@ #endif #endif +#if defined(_MSC_VER) && (_MSC_VER > 1200) + #define CRYPTOPP_MSVC6PP_OR_LATER +#endif + #ifndef CRYPTOPP_ALIGN_DATA #if defined(_MSC_VER) #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x)) @@ -172,6 +176,12 @@ #endif #endif +// this version of the macro is fastest on Pentium 3 and Pentium 4 with MSVC 6 SP5 w/ Processor Pack #define GETBYTE(x, y) (unsigned int)((unsigned char)((x)>>(8*(y)))) +// these may be faster on other CPUs/compilers +// #define GETBYTE(x, y) (unsigned int)(((x)>>(8*(y)))&255) +// #define GETBYTE(x, y) (((byte *)&(x))[y]) + +#define CRYPTOPP_GET_BYTE_AS_BYTE(x, y) ((byte)((x)>>(8*(y)))) #endif |