---

yaml
---
r: 17946
b: refs/heads/master
c: 636dd2b
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bd9cb64df1d99c07ea9672661ede6ca3ba5c6579
+refs/heads/master: 636dd2b7def5c9c72551b51d4d516a65c269de08

trunk/include/asm-x86_64/bitops.h

@@ -396,6 +396,22 @@ static __inline__ int fls64(__u64 x)
 	return __fls(x) + 1;
 }
 
+/**
+ * fls - find last bit set
+ * @x: the word to search
+ *
+ * This is defined the same way as ffs.
+ */
+static __inline__ int fls(int x)
+{
+	int r;
+
+	__asm__("bsrl %1,%0\n\t"
+		"cmovzl %2,%0"
+		: "=&r" (r) : "rm" (x), "rm" (-1));
+	return r+1;
+}
+
 /**
  * hweightN - returns the hamming weight of a N-bit word
  * @x: the word to weigh
@@ -434,9 +450,6 @@ static __inline__ int fls64(__u64 x)
 #define minix_find_first_zero_bit(addr,size) \
 	find_first_zero_bit((void*)addr,size)
 
-/* find last set bit */
-#define fls(x) generic_fls(x)
-
 #endif /* __KERNEL__ */
 
 #endif /* _X86_64_BITOPS_H */