gcc/testsuite/gcc.dg/vect/vect-outer-pr69720.c

   1 #include "tree-vect.h"
   2
   3 extern void abort (void);
   4
   5 int a[128];
   6 double b[128] = { 1., 2., 3., 4. };
   7
   8 void __attribute__((noinline)) foo()
   9 {
  10   int i;
  11   for (i = 0; i < 128; ++i)
  12     {
  13       double tem1 = b[i];
  14       for (int j = 0; j < 32; ++j)
  15         tem1 += 1;
  16       b[i] = tem1;
  17       a[i] = i;
  18     }
  19 }
  20
  21 int main()
  22 {
  23   check_vect ();
  24   foo ();
  25   if (b[0] != 33. || b[1] != 34.
  26       || b[2] != 35. || b[3] != 36.)
  27     abort ();
  28   return 0;
  29 }
  30
  31 /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target { vect_double && vect_int } } } } */