1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
! { dg-do run { target openacc_nvidia_accel_selected } }
! Tests to exercise the declare directive along with
! the clauses: copy
! copyin
! copyout
! create
! present
! present_or_copy
! present_or_copyin
! present_or_copyout
! present_or_create
module vars
implicit none
integer z
!$acc declare create (z)
end module vars
subroutine subr5 (a, b, c, d)
implicit none
integer, parameter :: N = 8
integer :: i
integer :: a(N)
!$acc declare present_or_copyin (a)
integer :: b(N)
!$acc declare present_or_create (b)
integer :: c(N)
!$acc declare present_or_copyout (c)
integer :: d(N)
!$acc declare present_or_copy (d)
i = 0
!$acc parallel
do i = 1, N
b(i) = a(i)
c(i) = b(i)
d(i) = d(i) + b(i)
end do
!$acc end parallel
end subroutine
subroutine subr4 (a, b)
implicit none
integer, parameter :: N = 8
integer :: i
integer :: a(N)
!$acc declare present (a)
integer :: b(N)
!$acc declare copyout (b)
i = 0
!$acc parallel
do i = 1, N
b(i) = a(i)
end do
!$acc end parallel
end subroutine
subroutine subr3 (a, c)
implicit none
integer, parameter :: N = 8
integer :: i
integer :: a(N)
!$acc declare present (a)
integer :: c(N)
!$acc declare copyin (c)
i = 0
!$acc parallel
do i = 1, N
a(i) = c(i)
c(i) = 0
end do
!$acc end parallel
end subroutine
subroutine subr2 (a, b, c)
implicit none
integer, parameter :: N = 8
integer :: i
integer :: a(N)
!$acc declare present (a)
integer :: b(N)
!$acc declare create (b)
integer :: c(N)
!$acc declare copy (c)
i = 0
!$acc parallel
do i = 1, N
b(i) = a(i)
c(i) = b(i) + c(i) + 1
end do
!$acc end parallel
end subroutine
subroutine subr1 (a)
implicit none
integer, parameter :: N = 8
integer :: i
integer :: a(N)
!$acc declare present (a)
i = 0
!$acc parallel
do i = 1, N
a(i) = a(i) + 1
end do
!$acc end parallel
end subroutine
subroutine test (a, e)
use openacc
implicit none
logical :: e
integer, parameter :: N = 8
integer :: a(N)
if (acc_is_present (a) .neqv. e) call abort
end subroutine
subroutine subr0 (a, b, c, d)
implicit none
integer, parameter :: N = 8
integer :: a(N)
!$acc declare copy (a)
integer :: b(N)
integer :: c(N)
integer :: d(N)
integer :: i
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
call subr1 (a)
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
call subr2 (a, b, c)
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
do i = 1, N
if (c(i) .ne. 8) call abort
end do
call subr3 (a, c)
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
do i = 1, N
if (a(i) .ne. 2) call abort
if (c(i) .ne. 8) call abort
end do
call subr4 (a, b)
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
do i = 1, N
if (b(i) .ne. 8) call abort
end do
call subr5 (a, b, c, d)
call test (a, .true.)
call test (b, .false.)
call test (c, .false.)
call test (d, .false.)
do i = 1, N
if (c(i) .ne. 8) call abort
if (d(i) .ne. 13) call abort
end do
end subroutine
program main
use vars
use openacc
implicit none
integer, parameter :: N = 8
integer :: a(N)
integer :: b(N)
integer :: c(N)
integer :: d(N)
integer :: i
a(:) = 2
b(:) = 3
c(:) = 4
d(:) = 5
if (acc_is_present (z) .neqv. .true.) call abort
call subr0 (a, b, c, d)
call test (a, .false.)
call test (b, .false.)
call test (c, .false.)
call test (d, .false.)
do i = 1, N
if (a(i) .ne. 8) call abort
if (b(i) .ne. 8) call abort
if (c(i) .ne. 8) call abort
if (d(i) .ne. 13) call abort
end do
end program
|
