diff options
Diffstat (limited to 'cipher/md5.c')
| -rw-r--r-- | cipher/md5.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/cipher/md5.c b/cipher/md5.c index c9f9a86b4..ef95c7ef8 100644 --- a/cipher/md5.c +++ b/cipher/md5.c @@ -93,7 +93,18 @@ static byte PADDING[64] = { #define I(x, y, z) ((y) ^ ((x) | (~z))) /* ROTATE_LEFT rotates x left n bits */ -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) +#if defined(__GNUC__) && defined(__i386__) +static inline u32 +ROTATE_LEFT(u32 x, int n) +{ + __asm__("roll %%cl,%0" + :"=r" (x) + :"0" (x),"c" (n)); + return x; +} +#else + #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) +#endif /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */ /* Rotation is separate from addition to prevent recomputation */ |