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103 lines
2.2 KiB
Fortran
103 lines
2.2 KiB
Fortran
! { dg-do run }
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use omp_lib
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call test_master
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call test_critical
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call test_barrier
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call test_atomic
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contains
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subroutine test_master
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logical :: i, j
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i = .false.
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j = .false.
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!$omp parallel num_threads (4)
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!$omp master
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i = .true.
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j = omp_get_thread_num () .eq. 0
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!$omp endmaster
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!$omp end parallel
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if (.not. (i .or. j)) STOP 1
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end subroutine test_master
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subroutine test_critical_1 (i, j)
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integer :: i, j
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!$omp critical(critical_foo)
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i = i + 1
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!$omp end critical (critical_foo)
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!$omp critical
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j = j + 1
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!$omp end critical
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end subroutine test_critical_1
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subroutine test_critical
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integer :: i, j, n
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n = -1
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i = 0
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j = 0
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!$omp parallel num_threads (4)
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if (omp_get_thread_num () .eq. 0) n = omp_get_num_threads ()
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call test_critical_1 (i, j)
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call test_critical_1 (i, j)
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!$omp critical
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j = j + 1
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!$omp end critical
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!$omp critical (critical_foo)
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i = i + 1
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!$omp endcritical (critical_foo)
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!$omp end parallel
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if (n .lt. 1 .or. i .ne. n * 3 .or. j .ne. n * 3) STOP 2
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end subroutine test_critical
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subroutine test_barrier
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integer :: i
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logical :: j
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i = 23
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j = .false.
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!$omp parallel num_threads (4)
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if (omp_get_thread_num () .eq. 0) i = 5
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!$omp flush (i)
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!$omp barrier
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if (i .ne. 5) then
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!$omp atomic
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j = j .or. .true.
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end if
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!$omp end parallel
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if (i .ne. 5 .or. j) STOP 3
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end subroutine test_barrier
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subroutine test_atomic
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integer :: a, b, c, d, e, f, g
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a = 0
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b = 1
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c = 0
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d = 1024
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e = 1024
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f = -1
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g = -1
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!$omp parallel num_threads (8)
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!$omp atomic
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a = a + 2 + 4
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!$omp atomic
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b = 3 * b
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!$omp atomic
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c = 8 - c
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!$omp atomic
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d = d / 2
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!$omp atomic
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e = min (e, omp_get_thread_num ())
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!$omp atomic
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f = max (omp_get_thread_num (), f)
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if (omp_get_thread_num () .eq. 0) g = omp_get_num_threads ()
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!$omp end parallel
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if (g .le. 0 .or. g .gt. 8) STOP 4
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if (a .ne. 6 * g .or. b .ne. 3 ** g) STOP 5
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if (iand (g, 1) .eq. 1) then
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if (c .ne. 8) STOP 6
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else if (c .ne. 0) then
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STOP 7
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end if
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if (d .ne. 1024 / (2 ** g)) STOP 8
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if (e .ne. 0 .or. f .ne. g - 1) STOP 9
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end subroutine test_atomic
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end
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