/branches/dynload/kernel/arch/ia64/include/atomic.h |
---|
51,6 → 51,20 |
return v; |
} |
static inline uint64_t test_and_set(atomic_t *val) { |
uint64_t v; |
asm volatile ( |
"movl %0=0x01;;\n" |
"xchg8 %0=%1,%0;;\n" |
: "=r" (v),"+m" (val->count) |
); |
return v; |
} |
static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); } |
static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); } |