cpu_sfence
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence(); /* needed? */
cpu_sfence();
#define wmb() cpu_sfence()
#define mmiowb cpu_sfence
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence(); /* memory and compiler barrier */
cpu_sfence();
#define wmb() cpu_sfence()
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();
cpu_sfence();