1
2! { dg-do run }
3! { dg-additional-options "-cpp" }
4
5#define M 8
6#define N 32
7
8program main
9  integer :: i
10  integer :: a(N)
11  integer :: b(M * N)
12
13  do i = 1, N
14    a(i) = 0
15  end do
16
17  !$acc parallel copy (a)
18  !$acc loop seq
19    do i = 1, N
20      call seq (a)
21    end do
22  !$acc end parallel
23
24  do i = 1, N
25    if (a(i) .ne.N) STOP 1
26  end do
27
28  !$acc parallel copy (a)
29  !$acc loop seq
30    do i = 1, N
31      call gang (a)
32    end do
33  !$acc end parallel
34
35  do i = 1, N
36    if (a(i) .ne. (N + (N * (-1 * i)))) STOP 2
37  end do
38
39  do i = 1, N
40    b(i) = i
41  end do
42
43  !$acc parallel copy (b)
44  !$acc loop seq
45    do i = 1, N
46      call worker (b)
47    end do
48  !$acc end parallel
49
50  do i = 1, N
51    if (b(i) .ne. N + i) STOP 3
52  end do
53
54  do i = 1, N
55    a(i) = i
56  end do
57
58  !$acc parallel copy (a)
59  !$acc loop seq
60    do i = 1, N
61      call vector (a)
62    end do
63  !$acc end parallel
64
65  do i = 1, N
66    if (a(i) .ne. 0) STOP 4
67  end do
68
69contains
70
71subroutine vector (a)
72  !$acc routine vector
73  integer, intent (inout) :: a(N)
74  integer :: i
75
76  !$acc loop vector
77  do i = 1, N
78    a(i) = a(i) - a(i)
79  end do
80
81end subroutine vector
82
83subroutine worker (b)
84  !$acc routine worker
85  integer, intent (inout) :: b(M*N)
86  integer :: i, j
87
88  !$acc loop worker
89  do i = 1, N
90  !$acc loop vector
91    do j = 1, M
92      b(j + ((i - 1) * M)) = b(j + ((i - 1) * M)) + 1
93    end do
94  end do
95
96end subroutine worker
97
98subroutine gang (a)
99  !$acc routine gang
100  integer, intent (inout) :: a(N)
101  integer :: i
102
103  !$acc loop gang
104  do i = 1, N
105    a(i) = a(i) - i
106  end do
107
108end subroutine gang
109
110subroutine seq (a)
111  !$acc routine seq
112  integer, intent (inout) :: a(N)
113  integer :: i
114
115  do i = 1, N
116    a(i) = a(i) + 1
117  end do
118
119end subroutine seq
120
121end program main
122