2016-04-25 Basile Starynkevitch <basile@starynkevitch.net>

	{{merging with even more of GCC 6, using subversion 1.9
	svn merge -r234651:235002  ^/trunk
	}}



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@235404 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 51 insertions, 0 deletions

diff --git a/libgomp/testsuite/libgomp.oacc-fortran/pr70643.f90 b/libgomp/testsuite/libgomp.oacc-fortran/pr70643.f90
new file mode 100644
index 00000000000..7c2e5eef904
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-fortran/pr70643.f90
@@ -0,0 +1,51 @@
+MODULE reduction_test
+
+CONTAINS
+
+SUBROUTINE reduction_kernel(x_min,x_max,y_min,y_max,arr,sum)
+
+  IMPLICIT NONE
+
+  INTEGER      :: x_min,x_max,y_min,y_max
+  REAL(KIND=8), DIMENSION(x_min-2:x_max+2,y_min-2:y_max+2) :: arr
+  REAL(KIND=8) :: sum
+
+  INTEGER      :: j,k
+
+!$ACC DATA PRESENT(arr) COPY(sum)
+!$ACC PARALLEL LOOP REDUCTION(+ : sum)
+  DO k=y_min,y_max
+    DO j=x_min,x_max
+      sum=sum+arr(j,k)
+    ENDDO
+  ENDDO
+!$ACC END PARALLEL LOOP
+!$ACC END DATA
+END SUBROUTINE reduction_kernel
+
+END MODULE reduction_test
+
+program main
+    use reduction_test
+
+    integer :: x_min,x_max,y_min,y_max
+    real(kind=8), dimension(1:10,1:10) :: arr
+    real(kind=8) :: sum
+
+    x_min = 1
+    x_max = 2
+    y_min = 1
+    y_max = 2
+
+    arr(:,:) = 1.0
+
+    sum = 0.0
+
+    !$acc data copy(arr)
+
+    call reduction_kernel(x_min,x_max,y_min,y_max,arr,sum)
+
+    !$acc end data
+
+    if (sum .ne. 4.0) call abort
+end program