19 #define __typecheck(x, y) \  argument
20 	(!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
22 #define __no_side_effects(x, y) \  argument
23 		(__is_constexpr(x) && __is_constexpr(y))
25 #define __safe_cmp(x, y) \  argument
26 		(__typecheck(x, y) && __no_side_effects(x, y))
28 #define __cmp(x, y, op)	((x) op (y) ? (x) : (y))  argument
30 #define __cmp_once(x, y, unique_x, unique_y, op) ({	\  argument
31 		typeof(x) unique_x = (x);		\
35 #define __careful_cmp(x, y, op) \  argument
36 	__builtin_choose_expr(__safe_cmp(x, y), \
37 		__cmp(x, y, op), \
38 		__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
45 #define min(x, y)	__careful_cmp(x, y, <)  argument
52 #define max(x, y)	__careful_cmp(x, y, >)  argument
60 #define min3(x, y, z) min((typeof(x))min(x, y), z)  argument
68 #define max3(x, y, z) max((typeof(x))max(x, y), z)  argument
75 #define min_not_zero(x, y) ({			\  argument
76 	typeof(x) __x = (x);			\
104 #define min_t(type, x, y)	__careful_cmp((type)(x), (type)(y), <)  argument
112 #define max_t(type, x, y)	__careful_cmp((type)(x), (type)(y), >)  argument