4 static inline int a_ll(volatile int *p)
7 __asm__ __volatile__ ("movli.l @%1, %0" : "=z"(v) : "r"(p), "m"(*p));
12 static inline int a_sc(volatile int *p, int v)
15 __asm__ __volatile__ (
16 "movco.l %2, @%3 ; movt %0"
17 : "=r"(r), "=m"(*p) : "z"(v), "r"(p) : "memory", "cc");
21 #define a_barrier a_barrier
22 static inline void a_barrier()
24 __asm__ __volatile__ ("synco" ::: "memory");
27 #define a_pre_llsc a_barrier
28 #define a_post_llsc a_barrier
33 __attribute__((__visibility__("hidden"))) extern const void *__sh_cas_ptr;
34 static inline int a_cas(volatile int *p, int t, int s)
36 register int r1 __asm__("r1");
37 register int r2 __asm__("r2") = t;
38 register int r3 __asm__("r3") = s;
39 __asm__ __volatile__ (
41 : "=r"(r1), "+r"(r3) : "z"(p), "r"(r2), "r"(__sh_cas_ptr)
42 : "memory", "pr", "cc");