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authorStephen Hemminger <shemminger@osdl.org>2005-12-21 22:30:53 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-03 16:11:06 -0500
commit3821af2fe13700cab6fd67367128fa180e43f8b8 (patch)
treea70f63c24bd7d2ac8b25e3e4ee0ef6a50847aa67 /include/asm-arm/bitops.h
parentc865e5d99e25a171e8262fc0f7ba608568633c64 (diff)
[FLS64]: generic version
Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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) )