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