1/* PR rtl-optimization/51933 */
2
3static signed char v1;
4static unsigned char v2[256], v3[256];
5
6__attribute__((noclone, noinline)) void
7foo (void)
8{
9#if defined(__s390__) && !defined(__zarch__)
10  /* S/390 31 bit cannot deal with more than one literal pool
11     reference per insn.  */
12  asm volatile ("" : : "g" (&v1) : "memory");
13  asm volatile ("" : : "g" (&v2[0]));
14  asm volatile ("" : : "g" (&v3[0]));
15#else
16  asm volatile ("" : : "g" (&v1), "g" (&v2[0]), "g" (&v3[0]) : "memory");
17#endif
18}
19
20__attribute__((noclone, noinline)) int
21bar (const int x, const unsigned short *y, char *z)
22{
23  int i;
24  unsigned short u;
25  if (!v1)
26    foo ();
27  for (i = 0; i < x; i++)
28    {
29      u = y[i];
30      z[i] = u < 0x0100 ? v2[u] : v3[u & 0xff];
31    }
32  z[x] = '\0';
33  return x;
34}
35
36int
37main (void)
38{
39  char buf[18];
40  unsigned short s[18];
41  unsigned char c[18] = "abcdefghijklmnopq";
42  int i;
43  for (i = 0; i < 256; i++)
44    {
45      v2[i] = i;
46      v3[i] = i + 1;
47    }
48  for (i = 0; i < 18; i++)
49    s[i] = c[i];
50  s[5] |= 0x600;
51  s[6] |= 0x500;
52  s[11] |= 0x2000;
53  s[15] |= 0x500;
54  foo ();
55  if (bar (17, s, buf) != 17
56      || __builtin_memcmp (buf, "abcdeghhijkmmnoqq", 18) != 0)
57    __builtin_abort ();
58  return 0;
59}
60