libgomp/testsuite/libgomp.c/pr69389.c

   1 /* PR c/69389 */
   2
   3 struct S { unsigned int a : 10; unsigned int b : 4; unsigned int c : 18; } s = { 210, 11, 1235 };
   4
   5 unsigned int
   6 f1 (void)
   7 {
   8   unsigned int v;
   9   #pragma omp atomic read
  10   v = s.b;
  11   return v;
  12 }
  13
  14 void
  15 f2 (unsigned int v)
  16 {
  17   #pragma omp atomic write
  18   s.b = v;
  19 }
  20
  21 void
  22 f3 (void)
  23 {
  24   #pragma omp atomic
  25   s.b |= 1;
  26 }
  27
  28 int
  29 f4 (void)
  30 {
  31   int v;
  32   #pragma omp atomic capture
  33   v = s.b += 8;
  34   return v;
  35 }
  36
  37 int
  38 f5 (void)
  39 {
  40   int v;
  41   #pragma omp atomic capture
  42   {
  43     v = s.b;
  44     s.b -= 4;
  45   }
  46   return v;
  47 }
  48
  49 void
  50 f6 (void)
  51 {
  52   #pragma omp atomic
  53   s.b = s.b & 7;
  54 }
  55
  56 void
  57 f7 (void)
  58 {
  59   #pragma omp atomic
  60   s.b = ~7 & s.b;
  61 }
  62
  63 int
  64 f8 (void)
  65 {
  66   int v;
  67   #pragma omp atomic capture
  68   v = s.b = 8 + s.b;
  69   return v;
  70 }
  71
  72 int
  73 f9 (void)
  74 {
  75   int v;
  76   #pragma omp atomic capture
  77   {
  78     v = s.b;
  79     s.b = s.b - 4;
  80   }
  81   return v;
  82 }
  83
  84 int
  85 main ()
  86 {
  87   if (f1 () != 11)
  88     __builtin_abort ();
  89   f2 (4);
  90   if (s.a != 210 || s.b != 4 || s.c != 1235)
  91     __builtin_abort ();
  92   s.a = 813;
  93   s.c = 31532;
  94   if (f1 () != 4)
  95     __builtin_abort ();
  96   f3 ();
  97   if (f1 () != 5)
  98     __builtin_abort ();
  99   if (s.a != 813 || s.b != 5 || s.c != 31532)
 100     __builtin_abort ();
 101   if (f4 () != 13)
 102     __builtin_abort ();
 103   if (f1 () != 13)
 104     __builtin_abort ();
 105   f2 (14);
 106   if (s.a != 813 || s.b != 14 || s.c != 31532)
 107     __builtin_abort ();
 108   if (f5 () != 14)
 109     __builtin_abort ();
 110   if (f1 () != 10 || s.a != 813 || s.b != 10 || s.c != 31532)
 111     __builtin_abort ();
 112   f6 ();
 113   if (f1 () != 2)
 114     __builtin_abort ();
 115   f2 (15);
 116   f7 ();
 117   if (f1 () != 8)
 118     __builtin_abort ();
 119   if (f8 () != 0 || s.a != 813 || s.b != 0 || s.c != 31532)
 120     __builtin_abort ();
 121   if (f9 () != 0 || s.a != 813 || s.b != 12 || s.c != 31532)
 122     __builtin_abort ();
 123   return 0;
 124 }