__attribute__ ((unused))
__exchange_and_add (volatile _Atomic_word* __mem, int __val)
{
- _Atomic_word __tmp, __result;
+ _Atomic_word __tmp, __res;
__asm__ ("\
0: lwarx %0,0,%2
add%I3 %1,%0,%3
stwcx. %1,0,%2
bne- 0b
-" : "=&b"(__result), "=&r"(__tmp) : "r" (__mem), "Ir"(__val) : "cr0", "memory");
- return __result;
+" : "=&b"(__res), "=&r"(__tmp) : "r" (__mem), "Ir"(__val) : "cr0", "memory");
+ return __res;
}
static __ATOMICITY_INLINE void
__attribute__ ((unused))
__compare_and_swap (volatile long *__p, long int __oldval, long int __newval)
{
- int __result;
+ int __res;
__asm__ ("\
0: lwarx %0,0,%1
sub%I2c. %0,%0,%2
stwcx. %3,0,%1
bne- 0b
1:
-" : "=&b"(__result)
- : "r"(__p), "Ir"(__oldval), "r"(__newval)
- : "cr0", "memory");
- return __result >> 5;
+" : "=&b"(__res) : "r"(__p), "Ir"(__oldval), "r"(__newval) : "cr0", "memory");
+ return __res >> 5;
}
static __ATOMICITY_INLINE long
__attribute__ ((unused))
__always_swap (volatile long *__p, long int __newval)
{
- long __result;
+ long __res;
__asm__ ("\
0: lwarx %0,0,%1
stwcx. %2,0,%1
bne- 0b
-" : "=&r"(__result) : "r"(__p), "r"(__newval) : "cr0", "memory");
- return __result;
+" : "=&r"(__res) : "r"(__p), "r"(__newval) : "cr0", "memory");
+ return __res;
}
static __ATOMICITY_INLINE int
__attribute__ ((unused))
__test_and_set (volatile long *__p, long int __newval)
{
- int __result;
+ int __res;
__asm__ ("\
0: lwarx %0,0,%1
cmpwi %0,0
stwcx. %2,0,%1
bne- 0b
1:
-" : "=&r"(__result) : "r"(__p), "r"(__newval) : "cr0", "memory");
- return __result;
+" : "=&r"(__res) : "r"(__p), "r"(__newval) : "cr0", "memory");
+ return __res;
}
#endif /* atomicity.h */