42 lines
654 B
Fortran
42 lines
654 B
Fortran
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! { dg-do run }
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program reduction
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implicit none
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integer, parameter :: n = 100
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integer :: i, h1, h2, s1, s2, a1, a2
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h1 = 0
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h2 = 0
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do i = 1, n
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h1 = h1 + 1
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h2 = h2 + 2
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end do
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s1 = 0
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s2 = 0
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!$acc parallel loop reduction(+:s1, s2)
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do i = 1, n
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s1 = s1 + 1
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s2 = s2 + 2
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end do
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!$acc end parallel loop
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a1 = 0
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a2 = 0
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!$acc parallel loop reduction(+:a1, a2) async(1)
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do i = 1, n
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a1 = a1 + 1
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a2 = a2 + 2
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end do
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!$acc end parallel loop
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if (h1 .ne. s1) STOP 1
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if (h2 .ne. s2) STOP 2
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!$acc wait(1)
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if (h1 .ne. a1) STOP 3
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if (h2 .ne. a2) STOP 4
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end program reduction
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