release/src/router/dnscrypt/src/libnacl/okcompilers/main.cpp

   1 extern "C" {
   2   extern int not3(int);
   3   extern int bytes(int);
   4   extern long long shr32(long long);
   5   extern double double5(void);
   6 }
   7
   8 int main(int argc,char **argv)
   9 {
  10   if (not3(3)) return 100;
  11
  12   /* on ppc32, gcc -mpowerpc64 produces SIGILL for >>32 */
  13   if (!not3(shr32(1))) return 100;
  14
  15   /* on pentium 1, gcc -march=pentium2 produces SIGILL for (...+7)/8 */
  16   if (bytes(not3(1)) != 1) return 100;
  17
  18   /* on pentium 1, gcc -march=prescott produces SIGILL for double comparison */
  19   if (double5() < 0) return 100;
  20
  21   return 0;
  22 }