1  #include "tree-vect.h"
       2  
       3  extern void abort (void);
       4  int a[4096];
       5  
       6  __attribute__((noinline, noclone)) void
       7  f1 (int x)
       8  {
       9    int i, j;
      10    for (i = 1; i <= x; i++)
      11      {
      12        j = a[i] >> 8;
      13        j = 1 + (j / 2);
      14        a[i] = j << 8;
      15      }
      16  }
      17  
      18  __attribute__((noinline, noclone)) void
      19  f2 (int x)
      20  {
      21    int i, j;
      22    for (i = 1; i <= x; i++)
      23      {
      24        j = a[i] >> 8;
      25        j = 1 + (j / 16);
      26        a[i] = j << 8;
      27      }
      28  }
      29  
      30  __attribute__((noinline, noclone)) void
      31  f3 (int x)
      32  {
      33    int i, j;
      34    for (i = 1; i <= x; i++)
      35      {
      36        j = a[i] >> 8;
      37        j = 1 + (j % 2);
      38        a[i] = j << 8;
      39      }
      40  }
      41  
      42  __attribute__((noinline, noclone)) void
      43  f4 (int x)
      44  {
      45    int i, j;
      46    for (i = 1; i <= x; i++)
      47      {
      48        j = a[i] >> 8;
      49        j = 1 + (j % 16);
      50        a[i] = j << 8;
      51      }
      52  }
      53  
      54  int
      55  main ()
      56  {
      57    int i;
      58    check_vect ();
      59    for (i = 0; i < 4096; i++)
      60      {
      61        asm ("");
      62        a[i] = (i - 2048) << 8;
      63      }
      64    f1 (4095);
      65    if (a[0] != (-2048 << 8))
      66      abort ();
      67    for (i = 1; i < 4096; i++)
      68      if (a[i] != ((1 + ((i - 2048) / 2)) << 8))
      69        abort ();
      70      else
      71        a[i] = (i - 2048) << 8;
      72    f2 (4095);
      73    if (a[0] != (-2048 << 8))
      74      abort ();
      75    for (i = 1; i < 4096; i++)
      76      if (a[i] != ((1 + ((i - 2048) / 16)) << 8))
      77        abort ();
      78      else
      79        a[i] = (i - 2048) << 8;
      80    f3 (4095);
      81    if (a[0] != (-2048 << 8))
      82      abort ();
      83    for (i = 1; i < 4096; i++)
      84      if (a[i] != ((1 + ((i - 2048) % 2)) << 8))
      85        abort ();
      86      else
      87        a[i] = (i - 2048) << 8;
      88    f4 (4095);
      89    if (a[0] != (-2048 << 8))
      90      abort ();
      91    for (i = 1; i < 4096; i++)
      92      if (a[i] != ((1 + ((i - 2048) % 16)) << 8))
      93        abort ();
      94    return 0;
      95  }
      96  
      97  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 4 "vect" { target vect_condition } } } */