__swizzle_addr_b
# define __swizzle_addr_b(port) (port)
# define __swizzle_addr_b(port) \
#define __swizzle_addr_b(port) (port)
#define __swizzle_addr_b(port) ((port) ^ 3)
#define __swizzle_addr_b(port) ((port)^3)
#define __swizzle_addr_b(port) ((port) ^ 3)
#define __swizzle_addr_b(port) (port)