gcc/testsuite/gcc.dg/vect/vect-87.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 typedef int aint __attribute__ ((__aligned__(16)));
   9
  10 int main1 (int n, int *a)
  11 {
  12   int i, j, k;
  13   int b[N];
  14
  15   for (i = 0; i < n; i++)
  16     {
  17       for (j = 0; j < n; j++)
  18         {
  19           k = i + n;
  20           a[j] = k;
  21         }
  22       b[i] = k;
  23     }
  24
  25
  26   for (j = 0; j < n; j++)
  27     if (a[j] != i + n - 1)
  28       abort();
  29
  30   for (j = 0; j < n; j++)
  31     if (b[j] != j + n)
  32       abort();
  33
  34   return 0;
  35 }
  36
  37 int main (void)
  38 {
  39   aint a[N];
  40
  41   check_vect ();
  42
  43   main1 (N, a);
  44   main1 (0, a);
  45   main1 (1, a);
  46   main1 (2, a);
  47   main1 (N-1, a);
  48
  49   return 0;
  50 }
  51
  52 /* Fails for targets that don't vectorize PLUS (e.g alpha).  */
  53 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail alpha*-*-* } } } */
  54 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  55 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail alpha*-*-* } } } */