34 #define __xchg_asm(ld, st, m, val)					\  argument
36 	__typeof(*(m)) __ret;						\
52 		: "=&r" (__ret), "=" GCC_OFF_SMALL_ASM() (*m)		\
53 		: GCC_OFF_SMALL_ASM() (*m), "Jr" (val)			\
59 		__ret = *m;						\
60 		*m = val;						\
112 #define __cmpxchg_asm(ld, st, m, old, new)				\  argument
114 	__typeof(*(m)) __ret;						\
132 		: "=&r" (__ret), "=" GCC_OFF_SMALL_ASM() (*m)		\
133 		: GCC_OFF_SMALL_ASM() (*m), "Jr" (old), "Jr" (new)	\
139 		__ret = *m;						\
141 			*m = new;					\
236 	 * The assembly below has to combine 32 bit values into a 64 bit  in __cmpxchg64()
237 	 * register, and split 64 bit values from one register into two. If we  in __cmpxchg64()
240 	 * most significant 32 bits of the 64 bit values we're using. In order  in __cmpxchg64()
248 	/* Load 64 bits from ptr */  in __cmpxchg64()
253 	 * Split the 64 bit value we loaded into the 2 registers that hold the  in __cmpxchg64()
266 	 * variable into a single 64 bit register.  in __cmpxchg64()
306 	 * 64-bits, ie. lld & scd. Our call to __cmpxchg64_unsupported	\