gcc/testsuite/gcc.dg/vect/no-section-anchors-vect-36.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 #if VECTOR_BITS > 128
   8 #define N (VECTOR_BITS * 2 / 8)
   9 #else
  10 #define N 32
  11 #endif
  12
  13 struct {
  14   char ca[N];
  15   char cb[N];
  16 } s;
  17
  18 __attribute__ ((noinline))
  19 int main1 ()
  20 {
  21   int i;
  22
  23   for (i = 0; i < N; i++)
  24     {
  25       s.cb[i] = 3*i;
  26       __asm__ volatile ("");
  27     }
  28
  29   for (i = 0; i < N; i++)
  30     {
  31       s.ca[i] = s.cb[i];
  32     }
  33
  34   /* check results:  */
  35   for (i = 0; i < N; i++)
  36     {
  37       if (s.ca[i] != s.cb[i])
  38         abort ();
  39     }
  40
  41   return 0;
  42 }
  43
  44 int main (void)
  45 {
  46   check_vect ();
  47
  48   return main1 ();
  49 }
  50
  51 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  52 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  53 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */