libgomp/testsuite/libgomp.fortran/omp_atomic1.f90

   1 ! { dg-do run }
   2     integer (kind = 4) :: a
   3     integer (kind = 2) :: b
   4     real :: c, f
   5     double precision :: d
   6     integer, dimension (10) :: e
   7     a = 1
   8     b = 2
   9     c = 3
  10     d = 4
  11     e = 5
  12     f = 6
  13 !$omp atomic
  14     a = a + 4
  15 !$omp atomic
  16     b = 4 - b
  17 !$omp atomic
  18     c = c * 2
  19 !$omp atomic
  20     d = 2 / d
  21     if (a .ne. 5 .or. b .ne. 2 .or. c .ne. 6 .or. d .ne. 0.5) STOP 1
  22     d = 1.2
  23 !$omp atomic
  24     a = a + c + d
  25 !$omp atomic
  26     b = b - (a + c + d)
  27     if (a .ne. 12 .or. b .ne. -17) STOP 2
  28 !$omp atomic
  29     a = c + d + a
  30 !$omp atomic
  31     b = a + c + d - b
  32     if (a .ne. 19 .or. b .ne. 43) STOP 3
  33 !$omp atomic
  34     b = (a + c + d) - b
  35     a = 32
  36 !$omp atomic
  37     a = a / 3.4
  38     if (a .ne. 9 .or. b .ne. -16) STOP 4
  39 end