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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
! Test cases of nested 'reduction' clauses expected to compile cleanly.
! See also 'c-c++-common/goacc/nested-reductions-1-kernels.c'.
! { dg-additional-options -Wuninitialized }
subroutine acc_kernels ()
implicit none (type, external)
integer :: i, j, k, sum, diff
!$acc kernels
! implicit 'copy (sum, diff)'
! { dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
! { dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 }
!$acc loop reduction(+:sum)
do i = 1, 10
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop collapse(2) reduction(+:sum)
do i = 1, 10
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum)
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop collapse(2) reduction(+:sum)
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum)
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum) reduction(-:diff)
do i = 1, 10
!$acc loop reduction(+:sum)
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
!$acc loop reduction(-:diff)
do j = 1, 10
!$acc loop reduction(-:diff)
do k = 1, 10
diff = 1
end do
end do
end do
!$acc end kernels
end subroutine acc_kernels
! The same tests as above, but using a combined kernels loop construct.
subroutine acc_kernels_loop ()
implicit none (type, external)
integer :: h, i, j, k, l, sum, diff
!$acc kernels loop
! implicit 'copy (sum, diff)'
! { dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
! { dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 }
do h = 1, 10
!$acc loop reduction(+:sum)
do i = 1, 10
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop collapse(2) reduction(+:sum)
do i = 1, 10
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum)
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop collapse(2) reduction(+:sum)
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum) reduction(-:diff)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
!$acc loop reduction(-:diff) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(-:diff)
do k = 1, 10
diff = 1
end do
end do
end do
end do
end subroutine acc_kernels_loop
! The same tests as above, but now the outermost reduction clause is on
! the kernels region, not the outermost loop. */
subroutine acc_kernels_reduction ()
implicit none (type, external)
! In contrast to the 'parallel' construct, the 'reduction' clause is not
! supported on the 'kernels' construct.
end subroutine acc_kernels_reduction
! The same tests as above, but using a combined kernels loop construct, and
! the outermost reduction clause is on that one, not the outermost loop. */
subroutine acc_kernels_loop_reduction ()
implicit none (type, external)
integer :: h, i, j, k, sum, diff
!$acc kernels loop reduction(+:sum)
! implicit 'copy (sum, diff)'
! { dg-warning {'sum' is used uninitialized} TODO { xfail *-*-* } .-2 }
! { dg-warning {'diff' is used uninitialized} TODO { xfail *-*-* } .-3 }
do h = 1, 10
do i = 1, 10
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
do i = 1, 10
!$acc loop
do j = 1, 10
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
do i = 1, 10
do j = 1, 10
!$acc loop
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
end do
!$acc loop reduction(+:sum) reduction(-:diff)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
!$acc loop reduction(-:diff) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(-:diff)
do k = 1, 10
diff = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
!$acc loop reduction(-:diff) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(-:diff)
do k = 1, 10
diff = 1
end do
end do
end do
!$acc loop reduction(+:sum)
do i = 1, 10
!$acc loop reduction(+:sum) ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(+:sum)
do k = 1, 10
sum = 1
end do
end do
!$acc loop ! { dg-warning "insufficient partitioning available to parallelize loop" "TODO" { xfail *-*-* } }
do j = 1, 10
!$acc loop reduction(-:diff)
do k = 1, 10
diff = 1
end do
end do
end do
end do
end subroutine acc_kernels_loop_reduction
|
