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1 /* { dg-do run } */
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2 /* { dg-options "-O2 -march=pentium" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
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3
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4 #ifdef __i386__
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5 #include "cpuid.h"
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6 #endif
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7
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8 extern void abort (void);
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9 double d;
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10 struct
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11 {
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12 int i;
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13 double e;
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14 int j;
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15 } x;
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16
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17 void
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18 f1 (void)
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19 {
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20 #pragma omp atomic
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21 d += 7.5;
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22 #pragma omp atomic
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23 d *= 2.5;
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24 #pragma omp atomic
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25 d /= 0.25;
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26 }
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27
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28 void
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29 f2 (void)
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30 {
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31 #pragma omp atomic
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32 x.e += 7.5;
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33 #pragma omp atomic
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34 x.e *= 2.5;
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35 #pragma omp atomic
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36 x.e /= 0.25;
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37 }
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38
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39 int
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40 main (void)
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41 {
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42 #ifdef __i386__
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43 unsigned int eax, ebx, ecx, edx;
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44
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45 if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
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46 return 0;
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47
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48 if (!(edx & bit_CMPXCHG8B))
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49 return 0;
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50 #endif
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51
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52 d = 1.0;
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53 f1 ();
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54 if (d != 85.0)
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55 abort ();
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56
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57 x.e = 1.0;
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58 f2 ();
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59 if (x.i != 0 || x.e != 85.0 || x.j != 0)
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60 abort ();
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61 return 0;
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62 }
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