gcc/testsuite/gcc.dg/vect/vect-7.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 128
   7
   8 int main1 ()
   9 {
  10   int i;
  11   short sa[N];
  12   short sb[N];
  13
  14   for (i = 0; i < N; i++)
  15     {
  16       sb[i] = 5;
  17     }
  18
  19   /* check results:  */
  20   for (i = 0; i < N; i++)
  21     {
  22       if (sb[i] != 5)
  23         abort ();
  24     }
  25
  26   for (i = 0; i < N; i++)
  27     {
  28       sa[i] = sb[i] + 100;
  29     }
  30
  31   /* check results:  */
  32   for (i = 0; i < N; i++)
  33     {
  34       if (sa[i] != 105)
  35         abort ();
  36     }
  37
  38   return 0;
  39 }
  40
  41 int main (void)
  42 {
  43   check_vect ();
  44
  45   return main1 ();
  46 }
  47
  48 /* Fails for targets that don't vectorize PLUS.  */
  49 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { xfail alpha*-*-* } } } */
  50 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */