gcc/testsuite/gcc.dg/vect/vect-27.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 128
   8
   9 /* unaligned load.  */
  10
  11 int ia[N];
  12 int ib[N+1];
  13
  14 __attribute__ ((noinline))
  15 int main1 ()
  16 {
  17   int i;
  18
  19   for (i=0; i <= N; i++)
  20     {
  21       ib[i] = i;
  22     }
  23
  24   for (i = 1; i <= N; i++)
  25     {
  26       ia[i-1] = ib[i];
  27     }
  28
  29   /* check results:  */
  30   for (i = 1; i <= N; i++)
  31     {
  32       if (ia[i-1] != ib[i])
  33         abort ();
  34     }
  35
  36   return 0;
  37 }
  38
  39 int main (void)
  40 {
  41   check_vect ();
  42
  43   return main1 ();
  44 }
  45
  46 /* The initialization induction loop (with aligned access) is also vectorized.  */
  47 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */
  48 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
  49 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { ! vect_unaligned_possible } } } } */
  50 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */