gnu/dist/gcc4/gcc/testsuite/gcc.dg/vect/vect-15.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 int main1 ()
   9 {
  10   int i;
  11   int a[N];
  12   int b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13
  14   /* Not vectorizable yet (reverse access and forward access).  */
  15   for (i = N; i > 0; i--)
  16     {
  17       a[N-i] = b[i-1];
  18     }
  19
  20   /* check results:  */
  21   for (i = 0; i <N; i++)
  22     {
  23       if (a[i] != b[N-1-i])
  24         abort ();
  25     }
  26
  27   return 0;
  28 }
  29
  30 int main (void)
  31 {
  32   check_vect();
  33
  34   return main1 ();
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
  38 /* { dg-final { cleanup-tree-dump "vect" } } */