Signed-off-by: Joe Perches <joe@perches.com>
---
include/asm-x86/bitops.h | 95 ++++++++++++++++++++--------------------------
1 files changed, 41 insertions(+), 54 deletions(-)
diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h
index d10c501..a66143a 100644
--- a/include/asm-x86/bitops.h
+++ b/include/asm-x86/bitops.h
@@ -23,13 +23,13 @@
#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
/* Technically wrong, but this avoids compilation errors on some gcc
versions. */
-#define ADDR "=m" (*(volatile long *) addr)
-#define BIT_ADDR "=m" (((volatile int *) addr)[nr >> 5])
+#define ADDR "=m" (*(volatile long *)addr)
+#define BIT_ADDR "=m" (((volatile int *)addr)[nr >> 5])
#else
#define ADDR "+m" (*(volatile long *) addr)
-#define BIT_ADDR "+m" (((volatile int *) addr)[nr >> 5])
+#define BIT_ADDR "+m" (((volatile int *)addr)[nr >> 5])
#endif
-#define BASE_ADDR "m" (*(volatile int *) addr)
+#define BASE_ADDR "m" (*(volatile int *)addr)
/**
* set_bit - Atomically set a bit in memory
@@ -48,9 +48,7 @@
*/
static inline void set_bit(int nr, volatile void *addr)
{
- asm volatile(LOCK_PREFIX "bts %1,%0"
- : ADDR
- : "Ir" (nr) : "memory");
+ asm volatile(LOCK_PREFIX "bts %1,%0" : ADDR : "Ir" (nr) : "memory");
}
/**
@@ -64,9 +62,7 @@ static inline void set_bit(int nr, volatile void *addr)
*/
static inline void __set_bit(int nr, volatile void *addr)
{
- asm volatile("bts %1,%0"
- : ADDR
- : "Ir" (nr) : "memory");
+ asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory");
}
/**
@@ -81,8 +77,7 @@ static inline void __set_bit(int nr, volatile void *addr)
*/
static inline void clear_bit(int nr, volatile void *addr)
{
- asm volatile(LOCK_PREFIX "btr %1,%2"
- : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+ asm volatile(LOCK_PREFIX "btr %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
}
/*
@@ -150,8 +145,7 @@ static inline void __change_bit(int nr, volatile void *addr)
*/
static inline void change_bit(int nr, volatile void *addr)
{
- asm volatile(LOCK_PREFIX "btc %1,%2"
- : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+ asm volatile(LOCK_PREFIX "btc %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
}
/**
@@ -167,9 +161,7 @@ static inline int test_and_set_bit(int nr, volatile void *addr)
int oldbit;
asm volatile(LOCK_PREFIX "bts %2,%1\n\t"
- "sbb %0,%0"
- : "=r" (oldbit), ADDR
- : "Ir" (nr) : "memory");
+ "sbb %0,%0" : "=r" (oldbit), ADDR : "Ir" (nr) : "memory");
return oldbit;
}
@@ -201,8 +193,7 @@ static inline int __test_and_set_bit(int nr, volatile void *addr)
asm volatile("bts %2,%3\n\t"
"sbb %0,%0"
- : "=r" (oldbit), BIT_ADDR
- : "Ir" (nr), BASE_ADDR);
+ : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
return oldbit;
}
@@ -220,8 +211,7 @@ static inline int test_and_clear_bit(int nr, volatile void *addr)
asm volatile(LOCK_PREFIX "btr %2,%1\n\t"
"sbb %0,%0"
- : "=r" (oldbit), ADDR
- : "Ir" (nr) : "memory");
+ : "=r" (oldbit), ADDR : "Ir" (nr) : "memory");
return oldbit;
}
@@ -241,8 +231,7 @@ static inline int __test_and_clear_bit(int nr, volatile void *addr)
asm volatile("btr %2,%3\n\t"
"sbb %0,%0"
- : "=r" (oldbit), BIT_ADDR
- : "Ir" (nr), BASE_ADDR);
+ : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
return oldbit;
}
@@ -253,8 +242,7 @@ static inline int __test_and_change_bit(int nr, volatile void *addr)
asm volatile("btc %2,%3\n\t"
"sbb %0,%0"
- : "=r" (oldbit), BIT_ADDR
- : "Ir" (nr), BASE_ADDR);
+ : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
return oldbit;
}
@@ -273,8 +261,7 @@ static inline int test_and_change_bit(int nr, volatile void *addr)
asm volatile(LOCK_PREFIX "btc %2,%1\n\t"
"sbb %0,%0"
- : "=r" (oldbit), ADDR
- : "Ir" (nr) : "memory");
+ : "=r" (oldbit), ADDR : "Ir" (nr) : "memory");
return oldbit;
}
@@ -307,10 +294,10 @@ static inline int variable_test_bit(int nr, volatile const void *addr)
static int test_bit(int nr, const volatile unsigned long *addr);
#endif
-#define test_bit(nr,addr) \
- (__builtin_constant_p(nr) ? \
- constant_test_bit((nr),(addr)) : \
- variable_test_bit((nr),(addr)))
+#define test_bit(nr, addr) \
+ (__builtin_constant_p((nr)) \
+ ? constant_test_bit((nr), (addr)) \
+ : variable_test_bit((nr), (addr)))
/**
* __ffs - find first set bit in word
@@ -320,9 +307,9 @@ static int test_bit(int nr, const volatile unsigned long *addr);
*/
static inline unsigned long __ffs(unsigned long word)
{
- __asm__("bsf %1,%0"
- :"=r" (word)
- :"rm" (word));
+ asm("bsf %1,%0"
+ : "=r" (word)
+ : "rm" (word));
return word;
}
@@ -334,9 +321,9 @@ static inline unsigned long __ffs(unsigned long word)
*/
static inline unsigned long ffz(unsigned long word)
{
- __asm__("bsf %1,%0"
- :"=r" (word)
- :"r" (~word));
+ asm("bsf %1,%0"
+ : "=r" (word)
+ : "r" (~word));
return word;
}
@@ -348,9 +335,9 @@ static inline unsigned long ffz(unsigned long word)
*/
static inline unsigned long __fls(unsigned long word)
{
- __asm__("bsr %1,%0"
- :"=r" (word)
- :"rm" (word));
+ asm("bsr %1,%0"
+ : "=r" (word)
+ : "rm" (word));
return word;
}
@@ -370,14 +357,14 @@ static inline int ffs(int x)
{
int r;
#ifdef CONFIG_X86_CMOV
- __asm__("bsfl %1,%0\n\t"
- "cmovzl %2,%0"
- : "=r" (r) : "rm" (x), "r" (-1));
+ asm("bsfl %1,%0\n\t"
+ "cmovzl %2,%0"
+ : "=r" (r) : "rm" (x), "r" (-1));
#else
- __asm__("bsfl %1,%0\n\t"
- "jnz 1f\n\t"
- "movl $-1,%0\n"
- "1:" : "=r" (r) : "rm" (x));
+ asm("bsfl %1,%0\n\t"
+ "jnz 1f\n\t"
+ "movl $-1,%0\n"
+ "1:" : "=r" (r) : "rm" (x));
#endif
return r + 1;
}
@@ -397,14 +384,14 @@ static inline int fls(int x)
{
int r;
#ifdef CONFIG_X86_CMOV
- __asm__("bsrl %1,%0\n\t"
- "cmovzl %2,%0"
- : "=&r" (r) : "rm" (x), "rm" (-1));
+ asm("bsrl %1,%0\n\t"
+ "cmovzl %2,%0"
+ : "=&r" (r) : "rm" (x), "rm" (-1));
#else
- __asm__("bsrl %1,%0\n\t"
- "jnz 1f\n\t"
- "movl $-1,%0\n"
- "1:" : "=r" (r) : "rm" (x));
+ asm("bsrl %1,%0\n\t"
+ "jnz 1f\n\t"
+ "movl $-1,%0\n"
+ "1:" : "=r" (r) : "rm" (x));
#endif
return r + 1;
}
--
1.5.4.rc2
--
