122 lines
2.5 KiB
Fortran
122 lines
2.5 KiB
Fortran
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! Test OpenACC update to device with an optional argument.
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! { dg-do run }
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program optional_update_device
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implicit none
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integer, parameter :: n = 64
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integer :: i
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integer :: a_int, b_int, res_int
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integer :: a_arr(n), b_arr(n), res_arr(n)
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integer, allocatable :: a_alloc(:), b_alloc(:), res_alloc(:)
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a_int = 5
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b_int = 11
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call test_int(res_int, a_int)
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if (res_int .ne. a_int) stop 1
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call test_int(res_int, a_int, b_int)
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if (res_int .ne. a_int * b_int) stop 2
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res_arr(:) = 0
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do i = 1, n
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a_arr(i) = i
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b_arr(i) = n - i + 1
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end do
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call test_array(res_arr, a_arr)
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do i = 1, n
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if (res_arr(i) .ne. a_arr(i)) stop 3
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end do
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call test_array(res_arr, a_arr, b_arr)
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do i = 1, n
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if (res_arr(i) .ne. a_arr(i) * b_arr(i)) stop 4
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end do
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allocate (a_alloc(n))
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allocate (b_alloc(n))
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allocate (res_alloc(n))
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res_alloc(:) = 0
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do i = 1, n
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a_alloc(i) = i
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b_alloc(i) = n - i + 1
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end do
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call test_allocatable(res_alloc, a_alloc)
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do i = 1, n
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if (res_alloc(i) .ne. a_alloc(i)) stop 5
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end do
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call test_allocatable(res_alloc, a_alloc, b_alloc)
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do i = 1, n
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if (res_alloc(i) .ne. a_alloc(i) * b_alloc(i)) stop 6
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end do
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deallocate (a_alloc)
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deallocate (b_alloc)
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deallocate (res_alloc)
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contains
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subroutine test_int(res, a, b)
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integer :: res
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integer :: a
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integer, optional :: b
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!$acc data create(a, b, res)
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!$acc update device(a, b)
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!$acc parallel
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res = a
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if (present(b)) res = res * b
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!$acc end parallel
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!$acc update self(res)
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!$acc end data
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end subroutine test_int
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subroutine test_array(res, a, b)
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integer :: res(n)
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integer :: a(n)
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integer, optional :: b(n)
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!$acc data create(a, b, res)
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!$acc update device(a, b)
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!$acc parallel loop
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do i = 1, n
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res(i) = a(i)
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end do
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!$acc parallel loop
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do i = 1, n
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if (present(b)) then
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res(i) = res(i) * b(i)
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end if
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end do
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!$acc update self(res)
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!$acc end data
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end subroutine test_array
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subroutine test_allocatable(res, a, b)
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integer, allocatable :: res(:)
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integer, allocatable :: a(:)
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integer, allocatable, optional :: b(:)
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!$acc data create(a, b, res)
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!$acc update device(a, b)
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!$acc parallel loop
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do i = 1, n
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res(i) = a(i)
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end do
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!$acc parallel loop
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do i = 1, n
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if (present(b)) then
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res(i) = res(i) * b(i)
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end if
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end do
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!$acc update self(res)
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!$acc end data
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end subroutine test_allocatable
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end program optional_update_device
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