#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