Subversion Repositories HelenOS

Rev

Rev 1888 | Rev 1902 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1888 Rev 1890
Line 54... Line 54...
54 
    do {
 54 
    do {
55 
        volatile uintptr_t x = (uint64_t) &val->count;
 55 
        volatile uintptr_t x = (uint64_t) &val->count;
56 
 
 56 
 
57 
        a = *((uint64_t *) x);
 57 
        a = *((uint64_t *) x);
58 
        b = a + i;
 58 
        b = a + i;
59 
        __asm__ volatile ("casx %0, %1, %2\n": "+m" (*((uint64_t *)x)), "+r" (a), "+r" (b));
 59 
        __asm__ volatile ("casx %0, %2, %1\n" : "+m" (*((uint64_t *)x)), "+r" (b) : "r" (a));
60 
    } while (a != b);
 60 
    } while (a != b);
61 
 
 61 
 
62 
    return a;
 62 
    return a;
63 
}
 63 
}
64 
 
 64