tc_mem_barrier
tc_mem_barrier,
tc_mem_barrier(v, h, o, sizeof *a, BUS_SPACE_BARRIER_READ); \
tc_mem_barrier(v, h, o, sizeof *a, BUS_SPACE_BARRIER_WRITE); \
tc_mem_barrier(v, h, o, sizeof val, BUS_SPACE_BARRIER_WRITE); \
inline void tc_mem_barrier(void *, bus_space_handle_t,