1/* { dg-do run } */
2/* { dg-options "-O2" } */
3/* { dg-additional-options "-minline-all-stringops" { target { i?86-*-* x86_64-*-* } } } */
4
5extern void abort (void);
6
7#define MAX_OFFSET (sizeof (long long))
8#define MAX_COPY (8 * sizeof (long long))
9#define MAX_EXTRA (sizeof (long long))
10
11#define MAX_LENGTH (MAX_OFFSET + MAX_COPY + MAX_EXTRA)
12
13static union {
14  char buf[MAX_LENGTH];
15  long long align_int;
16  long double align_fp;
17} u;
18
19char A[MAX_LENGTH];
20
21int
22main ()
23{
24  int off, len, i;
25  char *p, *q;
26
27  for (i = 0; i < MAX_LENGTH; i++)
28    A[i] = 'A';
29
30  for (off = 0; off < MAX_OFFSET; off++)
31    for (len = 1; len < MAX_COPY; len++)
32      {
33	for (i = 0; i < MAX_LENGTH; i++)
34	  u.buf[i] = 'a';
35
36	p = __builtin_memcpy (u.buf + off, A, len);
37	if (p != u.buf + off)
38	  abort ();
39
40	q = u.buf;
41	for (i = 0; i < off; i++, q++)
42	  if (*q != 'a')
43	    abort ();
44
45	for (i = 0; i < len; i++, q++)
46	  if (*q != 'A')
47	    abort ();
48
49	for (i = 0; i < MAX_EXTRA; i++, q++)
50	  if (*q != 'a')
51	    abort ();
52      }
53
54  return 0;
55}
56