11 #define cpu_relax()	asm volatile("rep; nop" ::: "memory");  macro
21 #define cpu_relax()	asm volatile("rep; nop" ::: "memory");  macro
31 #define cpu_relax()	asm volatile ("" ::: "memory");  macro
38 #define cpu_relax()	asm volatile("" ::: "memory");  macro
48 #define cpu_relax()	asm volatile("" ::: "memory")  macro
55 #define cpu_relax()	asm volatile("" ::: "memory");  macro
62 #define cpu_relax()	asm volatile("":::"memory")  macro
69 #define cpu_relax()	asm volatile("" ::: "memory")  macro
76 #define cpu_relax()	asm volatile ("hint @pause" ::: "memory")  macro
87 #define cpu_relax()	asm volatile("":::"memory")  macro
100 #define cpu_relax()	asm volatile("" ::: "memory")  macro