| #if defined(__SH4A__) |
| |
| #define a_ll a_ll |
| static inline int a_ll(volatile int *p) |
| { |
| int v; |
| __asm__ __volatile__ ("movli.l @%1, %0" : "=z"(v) : "r"(p), "m"(*p)); |
| return v; |
| } |
| |
| #define a_sc a_sc |
| static inline int a_sc(volatile int *p, int v) |
| { |
| int r; |
| __asm__ __volatile__ ( |
| "movco.l %2, @%3 ; movt %0" |
| : "=r"(r), "=m"(*p) : "z"(v), "r"(p) : "memory", "cc"); |
| return r; |
| } |
| |
| #define a_barrier a_barrier |
| static inline void a_barrier() |
| { |
| __asm__ __volatile__ ("synco" ::: "memory"); |
| } |
| |
| #define a_pre_llsc a_barrier |
| #define a_post_llsc a_barrier |
| |
| #else |
| |
| #define a_cas a_cas |
| __attribute__((__visibility__("hidden"))) extern const void *__sh_cas_ptr; |
| static inline int a_cas(volatile int *p, int t, int s) |
| { |
| register int r1 __asm__("r1"); |
| register int r2 __asm__("r2") = t; |
| register int r3 __asm__("r3") = s; |
| __asm__ __volatile__ ( |
| "jsr @%4 ; nop" |
| : "=r"(r1), "+r"(r3) : "z"(p), "r"(r2), "r"(__sh_cas_ptr) |
| : "memory", "pr", "cc"); |
| return r3; |
| } |
| |
| #endif |
