Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6-omap-h63xx.git] / include / asm-x86_64 / bitops.h

diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index 3638ffff87fd7abf6b7938058a25dd65f0a1b773..79212128d0f748d82a72198d970581b541ab909a 100644 (file)
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -356,14 +356,7 @@ static __inline__ unsigned long __fls(unsigned long word)
 
 #ifdef __KERNEL__
 
-static inline int sched_find_first_bit(const unsigned long *b)
-{
-       if (b[0])
-               return __ffs(b[0]);
-       if (b[1])
-               return __ffs(b[1]) + 64;
-       return __ffs(b[2]) + 128;
-}
+#include <asm-generic/bitops/sched.h>
 
 /**
  * ffs - find first bit set
@@ -397,45 +390,35 @@ static __inline__ int fls64(__u64 x)
 }
 
 /**
- * hweightN - returns the hamming weight of a N-bit word
- * @x: the word to weigh
+ * fls - find last bit set
+ * @x: the word to search
  *
- * The Hamming Weight of a number is the total number of bits set in it.
+ * This is defined the same way as ffs.
  */
+static __inline__ int fls(int x)
+{
+       int r;
 
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
+       __asm__("bsrl %1,%0\n\t"
+               "cmovzl %2,%0"
+               : "=&r" (r) : "rm" (x), "rm" (-1));
+       return r+1;
+}
+
+#include <asm-generic/bitops/hweight.h>
 
 #endif /* __KERNEL__ */
 
 #ifdef __KERNEL__
 
-#define ext2_set_bit(nr,addr) \
-       __test_and_set_bit((nr),(unsigned long*)addr)
+#include <asm-generic/bitops/ext2-non-atomic.h>
+
 #define ext2_set_bit_atomic(lock,nr,addr) \
                test_and_set_bit((nr),(unsigned long*)addr)
-#define ext2_clear_bit(nr, addr) \
-       __test_and_clear_bit((nr),(unsigned long*)addr)
 #define ext2_clear_bit_atomic(lock,nr,addr) \
                test_and_clear_bit((nr),(unsigned long*)addr)
-#define ext2_test_bit(nr, addr)      test_bit((nr),(unsigned long*)addr)
-#define ext2_find_first_zero_bit(addr, size) \
-       find_first_zero_bit((unsigned long*)addr, size)
-#define ext2_find_next_zero_bit(addr, size, off) \
-       find_next_zero_bit((unsigned long*)addr, size, off)
-
-/* Bitmap functions for the minix filesystem.  */
-#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,(void*)addr)
-#define minix_set_bit(nr,addr) __set_bit(nr,(void*)addr)
-#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,(void*)addr)
-#define minix_test_bit(nr,addr) test_bit(nr,(void*)addr)
-#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)
+
+#include <asm-generic/bitops/minix.h>
 
 #endif /* __KERNEL__ */