__get_user_asm_byte
case 1: __get_user_asm_byte(__gu_val, __gu_addr, err, __t); break; \
__get_user_asm_byte(__b1, __gu_addr, err, __t); \
__get_user_asm_byte(__b2, __gu_addr + 1, err, __t); \
__get_user_asm_byte(__b1, __gu_addr, err, __t); \
__get_user_asm_byte(__b2, __gu_addr + 1, err, __t); \
case 1: __get_user_asm_byte(__val, __src, __err, ""); break; \