diff options
Diffstat (limited to 'include/asm-x86/bitops_64.h')
| -rw-r--r-- | include/asm-x86/bitops_64.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h index 4081d7ecc2b..cb23122d23f 100644 --- a/include/asm-x86/bitops_64.h +++ b/include/asm-x86/bitops_64.h @@ -4,29 +4,6 @@ /* * 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) { |