: : "r"((long *)p), "r"((unsigned)v), "r"((unsigned)(v>>32)) : "memory" );
}
-static inline void a_store_l(volatile void *p, long x)
-{
- __asm__( "movl %1, %0" : "=m"(*(long *)p) : "r"(x) : "memory" );
-}
-
static inline void a_or_l(volatile void *p, long v)
{
__asm__( "lock ; orl %1, %0"
return t;
}
-static inline long a_cas_l(volatile void *p, long t, long s)
-{
- __asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" );
- return t;
-}
-
static inline int a_cas(volatile int *p, int t, int s)
{
__asm__( "lock ; cmpxchg %3, %1"
return t;
}
-static inline void *a_swap_p(void *volatile *x, void *v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*(void **)x) : "0"(v) : "memory" );
- return v;
-}
-static inline long a_swap_l(volatile void *x, long v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*(long *)x) : "0"(v) : "memory" );
- return v;
-}
-
static inline void a_or(volatile void *p, int v)
{
__asm__( "lock ; orl %1, %0"
__asm__ __volatile__( "pause" : : : "memory" );
}
+static inline void a_barrier()
+{
+ __asm__ __volatile__( "" : : : "memory" );
+}
+
static inline void a_crash()
{
__asm__ __volatile__( "hlt" : : : "memory" );