gcc/testsuite/gcc.dg/vect/vect-85.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 __attribute__ ((noinline))
   9 int main1 (int *a)
  10 {
  11   int i, j, k;
  12   int b[N];
  13
  14   for (i = 0; i < N; i++)
  15     {
  16       for (j = 0; j < N; j++)
  17         {
  18           k = i + N;
  19           a[j] = k;
  20         }
  21       b[i] = k;
  22     }
  23
  24
  25   for (j = 0; j < N; j++)
  26     if (a[j] != i + N - 1)
  27       abort();
  28
  29   for (j = 0; j < N; j++)
  30     if (b[j] != j + N)
  31       abort();
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   int a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  39
  40   check_vect ();
  41
  42   main1 (a);
  43
  44   return 0;
  45 }
  46
  47 /* Fails for targets that don't vectorize PLUS (e.g alpha).  */
  48 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */