main()1main() 2 { 3 unsigned long x[2]; 4 unsigned long y[2]; 5 6 x[0] = 0; 7 x[1] = 0; 8 y[0] = 0; 9 y[1] = 0; 10 11 asm volatile(".byte 15;.byte 49" : "=a"(x[0]),"=d"(x[1]) ); 12 asm volatile(".byte 15;.byte 49" : "=a"(y[0]),"=d"(y[1]) ); 13 14 if (x[0] != y[0]) _exit(0); 15 if (x[1] != y[1]) _exit(0); 16 _exit(1); 17 } 18