gcc/testsuite/gcc.dg/vect/slp-25.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 /* Unaligned stores.  */
   9
  10 int ia[N+2];
  11 short sa[N+2];
  12
  13 int main1 (int n)
  14 {
  15   int i;
  16
  17   for (i = 1; i <= N/2; i++)
  18     {
  19       ia[2*i] = 25;
  20       ia[2*i + 1] = 5;
  21     }
  22
  23   /* check results:  */
  24   for (i = 1; i <= N/2; i++)
  25     {
  26       if (ia[2*i] != 25
  27           || ia[2*i + 1] != 5)
  28         abort ();
  29     }
  30
  31   for (i = 1; i <= n/2; i++)
  32     {
  33       sa[2*i] = 25;
  34       sa[2*i + 1] = 5;
  35     }
  36
  37   /* check results:  */
  38   for (i = 1; i <= n/2; i++)
  39     {
  40       if (sa[2*i] != 25
  41           || sa[2*i + 1] != 5)
  42         abort ();
  43     }
  44
  45
  46   return 0;
  47 }
  48
  49 int main (void)
  50 {
  51
  52   check_vect ();
  53
  54   return main1 (N);
  55 }
  56
  57 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect"  } } */
  58 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  59 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { xfail { vect_no_align || { ! vect_natural_alignment } } } } } */
  60 /* { dg-final { cleanup-tree-dump "vect" } } */