gcc/testsuite/gcc.dg/vect/vect-78.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 8
   7 #define OFF 8
   8
   9 typedef int aint __attribute__ ((__aligned__(16)));
  10
  11 aint ib[N+OFF] = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
  12 int off = 8;
  13
  14 int main1 (aint *ib)
  15 {
  16   int i;
  17   int ia[N];
  18
  19   for (i = 0; i < N; i++)
  20     {
  21       ia[i] = ib[i+off];
  22     }
  23
  24
  25   /* check results:  */
  26   for (i = 0; i < N; i++)
  27     {
  28      if (ia[i] != ib[i+off])
  29         abort ();
  30     }
  31
  32   return 0;
  33 }
  34
  35 int main (void)
  36 {
  37   check_vect ();
  38
  39   main1 (ib);
  40   return 0;
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail { lp64 || vect_no_align } } } } */
  44 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { lp64 || vect_no_align } } } } */
  45 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */