gcc/testsuite/gcc.c-torture/execute/pr56866.c

   1 /* PR target/56866 */
   2
   3 int
   4 main ()
   5 {
   6 #if __CHAR_BIT__ == 8 && __SIZEOF_LONG_LONG__ == 8 && __SIZEOF_INT__ == 4 && __SIZEOF_SHORT__ == 2
   7   unsigned long long wq[256], rq[256];
   8   unsigned int wi[256], ri[256];
   9   unsigned short ws[256], rs[256];
  10   unsigned char wc[256], rc[256];
  11   int t;
  12
  13   __builtin_memset (wq, 0, sizeof wq);
  14   __builtin_memset (wi, 0, sizeof wi);
  15   __builtin_memset (ws, 0, sizeof ws);
  16   __builtin_memset (wc, 0, sizeof wc);
  17   wq[0] = 0x0123456789abcdefULL;
  18   wi[0] = 0x01234567;
  19   ws[0] = 0x4567;
  20   wc[0] = 0x73;
  21
  22   asm volatile ("" : : "g" (wq), "g" (wi), "g" (ws), "g" (wc) : "memory");
  23
  24   for (t = 0; t < 256; ++t)
  25     rq[t] = (wq[t] >> 8) | (wq[t] << (sizeof (wq[0]) * __CHAR_BIT__ - 8));
  26   for (t = 0; t < 256; ++t)
  27     ri[t] = (wi[t] >> 8) | (wi[t] << (sizeof (wi[0]) * __CHAR_BIT__ - 8));
  28   for (t = 0; t < 256; ++t)
  29     rs[t] = (ws[t] >> 9) | (ws[t] << (sizeof (ws[0]) * __CHAR_BIT__ - 9));
  30   for (t = 0; t < 256; ++t)
  31     rc[t] = (wc[t] >> 5) | (wc[t] << (sizeof (wc[0]) * __CHAR_BIT__ - 5));
  32
  33   asm volatile ("" : : "g" (rq), "g" (ri), "g" (rs), "g" (rc) : "memory");
  34
  35   if (rq[0] != 0xef0123456789abcdULL || rq[1])
  36     __builtin_abort ();
  37   if (ri[0] != 0x67012345 || ri[1])
  38     __builtin_abort ();
  39   if (rs[0] != 0xb3a2 || rs[1])
  40     __builtin_abort ();
  41   if (rc[0] != 0x9b || rc[1])
  42     __builtin_abort ();
  43 #endif
  44   return 0;
  45 }