gcc/testsuite/gcc.dg/vect/vect-32.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #if VECTOR_BITS > 128
   7 #define N (VECTOR_BITS / 8)
   8 #else
   9 #define N 16
  10 #endif
  11
  12 __attribute__ ((noinline))
  13 int main1 ()
  14 {
  15   struct {
  16     char ca[N];
  17   } s;
  18   int i;
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       s.ca[i] = 5;
  23     }
  24
  25   /* check results:  */
  26   for (i = 0; i < N; i++)
  27     {
  28       if (s.ca[i] != 5)
  29         abort ();
  30     }
  31
  32   return 0;
  33 }
  34
  35 int main (void)
  36 {
  37   check_vect ();
  38
  39   return main1 ();
  40 }
  41
  42 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  43 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */