/*
* Copyright 1992, Linus Torvalds.
*/
-
-#ifndef CONFIG_GENERIC_FIND_FIRST_BIT
-extern long find_first_zero_bit(const unsigned long *addr, unsigned long size);
-extern long find_first_bit(const unsigned long *addr, unsigned long size);
-
-/* return index of first bet set in val or max when no bit is set */
-static inline long __scanbit(unsigned long val, unsigned long max)
-{
- asm("bsfq %1,%0 ; cmovz %2,%0" : "=&r" (val) : "r" (val), "r" (max));
- return val;
-}
-
-#define find_first_bit(addr, size) \
- ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG \
- ? (__scanbit(*(unsigned long *)(addr), (size))) \
- : find_first_bit((addr), (size))))
-
-#define find_first_zero_bit(addr, size) \
- ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG \
- ? (__scanbit(~*(unsigned long *)(addr), (size))) \
- : find_first_zero_bit((addr), (size))))
-#endif
-
static inline void set_bit_string(unsigned long *bitmap, unsigned long i,
int len)
{