gcc/testsuite/gcc.dg/vect/vect-reduc-2short.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7 #define DIFF 242
   8
   9 void main1 (short x, short max_result, short min_result)
  10 {
  11   int i;
  12   short b[N] = {1,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13   short c[N] = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  14   short diff = 2;
  15   short max = x;
  16   short min = x;
  17
  18   for (i = 0; i < N; i++) {
  19     diff += (short)(b[i] - c[i]);
  20   }
  21   for (i = 0; i < N; i++) {
  22     max = max < c[i] ? c[i] : max;
  23   }
  24
  25   for (i = 0; i < N; i++) {
  26     min = min > c[i] ? c[i] : min;
  27   }
  28
  29   /* check results:  */
  30   if (diff != DIFF)
  31     abort ();
  32   if (max != max_result)
  33     abort ();
  34   if (min != min_result)
  35     abort ();
  36 }
  37
  38 int main (void)
  39 {
  40   check_vect ();
  41
  42   main1 (100, 100, 1);
  43   main1 (0, 15, 0);
  44   return 0;
  45 }
  46
  47 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { xfail *-*-* } } } */
  48 /* { dg-final { cleanup-tree-dump "vect" } } */