From: Cesar Philippidis <cesar@codesourcery.com>
Date: Fri, 15 Jan 2016 14:49:55 +0000 (-0800)
Subject: gimplify.c (oacc_default_clause): Decode reference and pointer types for both kernels... 
X-Git-Tag: basepoints/gcc-7~1598
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33a126a6f2669a29a6657bffa96214ea33de211b;p=thirdparty%2Fgcc.git

gimplify.c (oacc_default_clause): Decode reference and pointer types for both kernels and parallel regions.

	gcc/
	* gimplify.c (oacc_default_clause): Decode reference and pointer
	types for both kernels and parallel regions.

	libgomp/
	* testsuite/libgomp.oacc-fortran/kernels-data.f90: New test.

From-SVN: r232431
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 59dc4abbab50..5680be8a8d3d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
+
+	* gimplify.c (oacc_default_clause): Decode reference and pointer
+	types for both kernels and parallel regions.
+
 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
 
 	PR middle-end/69246
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index ca66402babac..c8de1e62abd9 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -5986,6 +5986,10 @@ oacc_default_clause (struct gimplify_omp_ctx *ctx, tree decl, unsigned flags)
 {
   const char *rkind;
   bool on_device = false;
+  tree type = TREE_TYPE (decl);
+
+  if (lang_hooks.decls.omp_privatize_by_reference (decl))
+    type = TREE_TYPE (type);
 
   if ((ctx->region_type & (ORT_ACC_PARALLEL | ORT_ACC_KERNELS)) != 0
       && is_global_var (decl)
@@ -6004,7 +6008,7 @@ oacc_default_clause (struct gimplify_omp_ctx *ctx, tree decl, unsigned flags)
       /* Scalars are default 'copy' under kernels, non-scalars are default
 	 'present_or_copy'.  */
       flags |= GOVD_MAP;
-      if (!AGGREGATE_TYPE_P (TREE_TYPE (decl)))
+      if (!AGGREGATE_TYPE_P (type))
 	flags |= GOVD_MAP_FORCE;
 
       rkind = "kernels";
@@ -6012,12 +6016,6 @@ oacc_default_clause (struct gimplify_omp_ctx *ctx, tree decl, unsigned flags)
 
     case ORT_ACC_PARALLEL:
       {
-	tree type = TREE_TYPE (decl);
-
-	if (TREE_CODE (type) == REFERENCE_TYPE
-	    || POINTER_TYPE_P (type))
-	  type = TREE_TYPE (type);
-
 	if (on_device || AGGREGATE_TYPE_P (type))
 	  /* Aggregates default to 'present_or_copy'.  */
 	  flags |= GOVD_MAP;
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 5918752c3ea7..be30656532a5 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,7 @@
+2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
+
+	* testsuite/libgomp.oacc-fortran/kernels-data.f90: New test.
+
 2016-01-12  James Norris  <jnorris@codesourcery.com>
 
 	* libgomp.texi: Updates for OpenACC.
diff --git a/libgomp/testsuite/libgomp.oacc-fortran/non-scalar-data.f90 b/libgomp/testsuite/libgomp.oacc-fortran/non-scalar-data.f90
new file mode 100644
index 000000000000..4afb562e00cd
--- /dev/null
+++ b/libgomp/testsuite/libgomp.oacc-fortran/non-scalar-data.f90
@@ -0,0 +1,50 @@
+! Ensure that a non-scalar dummy arguments which are implicitly used inside
+! offloaded regions are properly mapped using present_or_copy.
+
+! { dg-do run }
+
+program main
+  implicit none
+
+  integer, parameter :: n = 100
+  integer :: array(n), i
+  
+  !$acc data copy(array)
+  call kernels(array, n)
+
+  !$acc update host(array)
+
+  do i = 1, n
+     if (array(i) .ne. i) call abort
+  end do
+
+  call parallel(array, n)
+  !$acc end data
+
+  do i = 1, n
+     if (array(i) .ne. i+i) call abort
+  end do
+end program main
+
+subroutine kernels (array, n)
+  integer, dimension (n) :: array
+  integer :: n, i
+
+  !$acc kernels
+  do i = 1, n
+     array(i) = i
+  end do
+  !$acc end kernels
+end subroutine kernels
+
+
+subroutine parallel (array, n)
+  integer, dimension (n) :: array
+  integer :: n, i
+
+  !$acc parallel
+  do i = 1, n
+     array(i) = i+i
+  end do
+  !$acc end parallel
+end subroutine parallel