#include #define IMPL(TYPE, AS) \ _CLC_OVERLOAD _CLC_DEF TYPE atomic_cmpxchg(volatile AS TYPE *p, TYPE cmp, TYPE val) { \ return __sync_val_compare_and_swap(p, cmp, val); \ } IMPL(int, global) IMPL(unsigned int, global) IMPL(int, local) IMPL(unsigned int, local) #undef IMPL