#include #ifdef cl_khr_int64_extended_atomics unsigned long __clc__sync_fetch_and_max_local_8(volatile local long *, long); unsigned long __clc__sync_fetch_and_max_global_8(volatile global long *, long); unsigned long __clc__sync_fetch_and_umax_local_8(volatile local unsigned long *, unsigned long); unsigned long __clc__sync_fetch_and_umax_global_8(volatile global unsigned long *, unsigned long); #define IMPL(AS, TYPE, OP) \ _CLC_OVERLOAD _CLC_DEF TYPE atom_max(volatile AS TYPE *p, TYPE val) { \ return __clc__sync_fetch_and_##OP##_##AS##_8(p, val); \ } IMPL(global, long, max) IMPL(global, unsigned long, umax) IMPL(local, long, max) IMPL(local, unsigned long, umax) #undef IMPL #endif