vect-112.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 char cb[N] = {2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17};
   9 char cc[N] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
  10
  11 __attribute__ ((noinline)) int
  12 main1 (void)
  13 {
  14   int i;
  15   int diff = 0;
  16
  17   /* Cross-iteration cycle.  */
  18   diff = 0;
  19   for (i = 0; i < N; i++) {
  20     diff += (cb[i] - cc[i]);
  21   }
  22
  23   /* Check results.  */
  24   if (diff != 16)
  25     abort();
  26
  27   return 0;
  28 }
  29
  30 int main (void)
  31 {
  32   check_vect ();
  33   return main1 ();
  34 }
  35
  36 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_unpack } } } */
  37 /* { dg-final { cleanup-tree-dump "vect" } } */
  38
  39