diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/atomic.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/mips/atomic.h b/arch/mips/atomic.h index 33e53d4e..a09f98df 100644 --- a/arch/mips/atomic.h +++ b/arch/mips/atomic.h @@ -70,19 +70,19 @@ static inline int a_swap(volatile int *x, int v) static inline int a_fetch_add(volatile int *x, int v) { - int new; + int old, dummy; __asm__ __volatile__( ".set push\n" ".set noreorder\n" - "1: ll %0, 0(%1)\n" - " addu %0, %0, %2\n" - " sc %0, 0(%1)\n" - " beq %0, $0, 1b\n" + "1: ll %0, 0(%2)\n" + " addu %1, %0, %3\n" + " sc %1, 0(%2)\n" + " beq %1, $0, 1b\n" " nop\n" "1: \n" ".set pop\n" - : "=&r"(new) : "r"(x), "r"(v) : "memory" ); - return new-v; + : "=&r"(old), "=&r"(dummy) : "r"(x), "r"(v) : "memory" ); + return old; } static inline void a_inc(volatile int *x) |