1/* PR c/64868 */
2/* { dg-do run } */
3/* { dg-options "-O2 -fopenmp" } */
4
5float f = 2.0f;
6double d = 4.0;
7long double ld = 8.0L;
8
9void
10foo ()
11{
12#pragma omp atomic
13  f = 1.0f / f;
14#pragma omp atomic
15  f = 1 / f;
16#pragma omp atomic
17  f = f / 2.0f;
18#pragma omp atomic
19  f = f / 2;
20#pragma omp atomic
21  f /= 2.0f;
22#pragma omp atomic
23  f /= 2;
24#pragma omp atomic
25  d = 1.0 / d;
26#pragma omp atomic
27  d = 1 / d;
28#pragma omp atomic
29  d = d / 2.0;
30#pragma omp atomic
31  d = d / 2;
32#pragma omp atomic
33  d /= 2.0;
34#pragma omp atomic
35  d /= 2;
36#pragma omp atomic
37  ld = 1.0L / ld;
38#pragma omp atomic
39  ld = 1 / ld;
40#pragma omp atomic
41  ld = ld / 2.0L;
42#pragma omp atomic
43  ld = ld / 2;
44#pragma omp atomic
45  ld /= 2.0L;
46#pragma omp atomic
47  ld /= 2;
48  if (f != 0.125f || d != 0.25 || ld != 0.5L)
49    __builtin_abort ();
50}
51
52#ifdef __cplusplus
53template <typename T, int N1, int N2>
54void
55bar ()
56{
57  T v = ::d;
58#pragma omp atomic
59  v *= 16;
60#pragma omp atomic
61  v = 1.0 / v;
62#pragma omp atomic
63  v = N1 / v;
64#pragma omp atomic
65  v = v / 2.0;
66#pragma omp atomic
67  v = v / N2;
68#pragma omp atomic
69  v /= 2.0;
70#pragma omp atomic
71  v /= N2;
72  if (v != 0.25)
73    __builtin_abort ();
74}
75#endif
76
77int
78main ()
79{
80  foo ();
81#ifdef __cplusplus
82  bar<float, 1, 2> ();
83  bar<double, 1, 2> ();
84  bar<long double, 1, 2> ();
85#endif
86  return 0;
87}
88