gcc/testsuite/gcc.dg/vect/slp-25.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 stores.  */
  10
  11 int ia[N+2];
  12 short sa[N+2];
  13
  14 int main1 (int n)
  15 {
  16   int i;
  17
  18   for (i = 1; i <= N/2; i++)
  19     {
  20       ia[2*i] = 25;
  21       ia[2*i + 1] = 5;
  22     }
  23
  24   /* check results:  */
  25   for (i = 1; i <= N/2; i++)
  26     {
  27       if (ia[2*i] != 25
  28           || ia[2*i + 1] != 5)
  29         abort ();
  30     }
  31
  32   for (i = 1; i <= n/2; i++)
  33     {
  34       sa[2*i] = 25;
  35       sa[2*i + 1] = 5;
  36     }
  37
  38   /* check results:  */
  39   for (i = 1; i <= n/2; i++)
  40     {
  41       if (sa[2*i] != 25
  42           || sa[2*i + 1] != 5)
  43         abort ();
  44     }
  45
  46
  47   return 0;
  48 }
  49
  50 int main (void)
  51 {
  52
  53   check_vect ();
  54
  55   return main1 (N);
  56 }
  57
  58 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  } } */
  59 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  60 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { xfail { { ! vect_unaligned_possible } || { ! vect_natural_alignment } } } } } */