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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: sha512 - use standard ror64()
This commit is contained in:
Linus Torvalds 2012-02-18 15:24:05 -08:00
commit a18d3afefa
2 changed files with 24 additions and 9 deletions
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20
include/linux/bitops.h
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@ -55,6 +55,26 @@ static inline unsigned long hweight_long(unsigned long w)
return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
}
/**
* rol64 - rotate a 64-bit value left
* @word: value to rotate
* @shift: bits to roll
*/
static inline __u64 rol64(__u64 word, unsigned int shift)
{
return (word << shift) | (word >> (64 - shift));
}
/**
* ror64 - rotate a 64-bit value right
* @word: value to rotate
* @shift: bits to roll
*/
static inline __u64 ror64(__u64 word, unsigned int shift)
{
return (word >> shift) | (word << (64 - shift));
}
/**
* rol32 - rotate a 32-bit value left
* @word: value to rotate