gomp-20050608-branch/gcc/testsuite/gcc.dg/vect/vect-reduc-3.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 /* Test vectorization of reduction of unsigned-int in the presence
   9    of unknown-loop-bound.  */
  10
  11 int main1 (int n, int res)
  12 {
  13   int i;
  14   unsigned int ub[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  15   unsigned int uc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  16   unsigned int udiff;
  17
  18   udiff = 0;
  19   for (i = 0; i < n; i++) {
  20     udiff += (ub[i] - uc[i]);
  21   }
  22
  23   /* check results:  */
  24   if (udiff != res)
  25     abort ();
  26
  27   return 0;
  28 }
  29
  30 int main (void)
  31 {
  32   check_vect ();
  33
  34   main1 (N, 240);
  35   main1 (N-1, 210);
  36   return 0;
  37 }
  38
  39 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_int_add } } } */
  40 /* { dg-final { cleanup-tree-dump "vect" } } */