aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/bitops.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/bitops.h')
-rw-r--r--include/asm-arm/bitops.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 7399d431edfe..d02de721ecc1 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -332,6 +332,7 @@ static inline unsigned long __ffs(unsigned long word)
332 */ 332 */
333 333
334#define fls(x) generic_fls(x) 334#define fls(x) generic_fls(x)
335#define fls64(x) generic_fls64(x)
335 336
336/* 337/*
337 * ffs: find first bit set. This is defined the same way as 338 * ffs: find first bit set. This is defined the same way as
@@ -351,6 +352,7 @@ static inline unsigned long __ffs(unsigned long word)
351#define fls(x) \ 352#define fls(x) \
352 ( __builtin_constant_p(x) ? generic_fls(x) : \ 353 ( __builtin_constant_p(x) ? generic_fls(x) : \
353 ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) ) 354 ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
355#define fls64(x) generic_fls64(x)
354#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); }) 356#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
355#define __ffs(x) (ffs(x) - 1) 357#define __ffs(x) (ffs(x) - 1)
356#define ffz(x) __ffs( ~(x) ) 358#define ffz(x) __ffs( ~(x) )