83 #define __cmp(op, x, y)	((x) __cmp_op_##op (y) ? (x) : (y))  argument
85 #define __cmp_once_unique(op, type, x, y, ux, uy) \  argument
86 	({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
88 #define __cmp_once(op, type, x, y) \  argument
89 	__cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
91 #define __careful_cmp_once(op, x, y, ux, uy) ({		\  argument
94 		#op"("#x", "#y") signedness error");	\
95 	__cmp(op, ux, uy); })
97 #define __careful_cmp(op, x, y) \  argument
98 	__careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_))
131 #define __careful_op3(op, x, y, z, ux, uy, uz) ({			\  argument
134 		#op"3("#x", "#y", "#z") signedness error");		\
135 	__cmp(op, ux, __cmp(op, uy, uz)); })
250 #define __minmax_array(op, array, len) ({				\  argument
255 		__element = op(__element, __array[__len]);		\