libgomp/testsuite/libgomp.fortran/omp_atomic5.f90

   1 ! { dg-do run }
   2     integer (kind = 4) :: a, a2
   3     integer (kind = 2) :: b, b2
   4     real :: c
   5     double precision :: d, d2, c2
   6     integer, dimension (10) :: e
   7     e(:) = 5
   8     e(7) = 9
   9 !$omp atomic write seq_cst
  10     a = 1
  11 !$omp atomic seq_cst, write
  12     b = 2
  13 !$omp atomic write, seq_cst
  14     c = 3
  15 !$omp atomic seq_cst write
  16     d = 4
  17 !$omp atomic capture seq_cst
  18     a2 = a
  19     a = a + 4
  20 !$omp end atomic
  21 !$omp atomic capture, seq_cst
  22     b = b - 18
  23     b2 = b
  24 !$omp end atomic
  25 !$omp atomic seq_cst, capture
  26     c2 = c
  27     c = 2.0 * c
  28 !$omp end atomic
  29 !$omp atomic seq_cst capture
  30     d = d / 2.0
  31     d2 = d
  32 !$omp end atomic
  33     if (a2 .ne. 1 .or. b2 .ne. -16 .or. c2 .ne. 3 .or. d2 .ne. 2) stop 1
  34 !$omp atomic read seq_cst
  35     a2 = a
  36 !$omp atomic seq_cst, read
  37     c2 = c
  38     if (a2 .ne. 5 .or. b2 .ne. -16 .or. c2 .ne. 6 .or. d2 .ne. 2) stop 2
  39     a2 = 10
  40     if (a2 .ne. 10) stop 3
  41 !$omp atomic capture
  42     a2 = a
  43     a = e(1) + e(6) + e(7) * 2
  44 !$omp endatomic
  45     if (a2 .ne. 5) stop 4
  46 !$omp atomic read
  47     a2 = a
  48 !$omp end atomic
  49     if (a2 .ne. 28) stop 5
  50 !$omp atomic capture seq_cst
  51     b2 = b
  52     b = e(1) + e(7) + e(5) * 2
  53 !$omp end atomic
  54     if (b2 .ne. -16) stop 6
  55 !$omp atomic seq_cst, read
  56     b2 = b
  57 !$omp end atomic
  58     if (b2 .ne. 24) stop 7
  59 end