gcc/testsuite/gcc.dg/vect/vect-33.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8 struct test {
   9   char ca[N];
  10 };
  11
  12 extern struct test s;
  13
  14 __attribute__ ((noinline))
  15 int main1 ()
  16 {
  17   int i;
  18
  19   for (i = 0; i < N; i++)
  20     {
  21       s.ca[i] = 5;
  22     }
  23
  24   /* check results:  */
  25   for (i = 0; i < N; i++)
  26     {
  27       if (s.ca[i] != 5)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   return main1 ();
  37 }
  38
  39
  40 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  41 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  42 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target vector_alignment_reachable } } } */
  43 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { ! vector_alignment_reachable } } } } */
  44 /* { dg-final { cleanup-tree-dump "vect" } } */