CPU_BUSY_CYCLE
#define CPU_BUSY_CYCLE() \
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile("pause": : : "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile("yield" : : : "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile("pause": : : "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() do {} while (0)
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile(".long 0x0100000f" ::: "memory")
#define CPU_BUSY_CYCLE() __asm volatile ("" ::: "memory")
#define CPU_BUSY_CYCLE() \