gcc/testsuite/gcc.dg/pr32176.c

   1 /* Contributed by Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>  */
   2
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
   5 /* { dg-options "-O2 -fprefetch-loop-arrays -march=i686 -msse" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
   6
   7 void foo (void)
   8 {
   9   int i, m;
  10   float xa[21];
  11
  12   m = 0;
  13   while (1)
  14     {
  15       i = 0;
  16       while (1)
  17         {
  18           if (xa[(long int)i] == xa[(long int)(i+m)])
  19             _gfortran_abort ();
  20           if (i == 10)
  21             break;
  22           i++;
  23         }
  24       if (m == 10)
  25         break;
  26       m++;
  27     }
  28 }