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131
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1 /* PR c/64868 */
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2 /* { dg-do run } */
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3
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4 float f = 2.0f;
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5 double d = 4.0;
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6 long double ld = 8.0L;
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7
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8 void
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9 foo ()
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10 {
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11 #pragma omp atomic
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12 f = 1.0f / f;
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13 #pragma omp atomic
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14 f = 1 / f;
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15 #pragma omp atomic
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16 f = f / 2.0f;
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17 #pragma omp atomic
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18 f = f / 2;
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19 #pragma omp atomic
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20 f /= 2.0f;
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21 #pragma omp atomic
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22 f /= 2;
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23 #pragma omp atomic
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24 d = 1.0 / d;
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25 #pragma omp atomic
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26 d = 1 / d;
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27 #pragma omp atomic
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28 d = d / 2.0;
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29 #pragma omp atomic
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30 d = d / 2;
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31 #pragma omp atomic
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32 d /= 2.0;
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33 #pragma omp atomic
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34 d /= 2;
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35 #pragma omp atomic
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36 ld = 1.0L / ld;
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37 #pragma omp atomic
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38 ld = 1 / ld;
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39 #pragma omp atomic
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40 ld = ld / 2.0L;
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41 #pragma omp atomic
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42 ld = ld / 2;
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43 #pragma omp atomic
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44 ld /= 2.0L;
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45 #pragma omp atomic
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46 ld /= 2;
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47 if (f != 0.125f || d != 0.25 || ld != 0.5L)
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48 __builtin_abort ();
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49 }
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50
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51 #ifdef __cplusplus
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52 template <typename T, int N1, int N2>
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53 void
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54 bar ()
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55 {
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56 T v = ::d;
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57 #pragma omp atomic
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58 v *= 16;
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59 #pragma omp atomic
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60 v = 1.0 / v;
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61 #pragma omp atomic
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62 v = N1 / v;
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63 #pragma omp atomic
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64 v = v / 2.0;
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65 #pragma omp atomic
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66 v = v / N2;
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67 #pragma omp atomic
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68 v /= 2.0;
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69 #pragma omp atomic
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70 v /= N2;
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71 if (v != 0.25)
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72 __builtin_abort ();
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73 }
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74 #endif
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75
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76 int
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77 main ()
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78 {
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79 foo ();
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80 #ifdef __cplusplus
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81 bar<float, 1, 2> ();
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82 bar<double, 1, 2> ();
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83 bar<long double, 1, 2> ();
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84 #endif
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85 return 0;
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86 }
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