From: Julian Brown <julian@codesourcery.com>
Date: Fri, 20 Sep 2019 20:53:10 +0000 (-0700)
Subject: Handle references in OpenACC "private" clauses
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebe33b92d3048123714185338d2657419d41f125;p=thirdparty%2Fgcc.git

Handle references in OpenACC "private" clauses

	gcc/
	* gimplify.cc (localize_reductions): Rewrite references for
	OMP_CLAUSE_PRIVATE also.
---

diff --git a/gcc/ChangeLog.omp b/gcc/ChangeLog.omp
index fd91f876cc85..84ebebbe7b60 100644
--- a/gcc/ChangeLog.omp
+++ b/gcc/ChangeLog.omp
@@ -1,3 +1,8 @@
+2019-09-20  Julian Brown  <julian@codesourcery.com>
+
+	* gimplify.cc (localize_reductions): Rewrite references for
+	OMP_CLAUSE_PRIVATE also.
+
 2019-09-17  Tobias Burnus  <tobias@codesourcery.com>
 
 	* gimplify.cc (gomp_oacc_needs_data_present): Remove unused variable.
diff --git a/gcc/gimplify.cc b/gcc/gimplify.cc
index 76564c69249e..576633ecf3d8 100644
--- a/gcc/gimplify.cc
+++ b/gcc/gimplify.cc
@@ -12610,6 +12610,21 @@ localize_reductions (tree clauses, tree body)
 
 	OMP_CLAUSE_REDUCTION_PRIVATE_DECL (c) = new_var;
       }
+    else if (OMP_CLAUSE_CODE (c) == OMP_CLAUSE_PRIVATE)
+      {
+	var = OMP_CLAUSE_DECL (c);
+
+	if (!lang_hooks.decls.omp_privatize_by_reference (var))
+	  continue;
+
+	type = TREE_TYPE (TREE_TYPE (var));
+	new_var = create_tmp_var (type, IDENTIFIER_POINTER (DECL_NAME (var)));
+
+	pr.ref_var = var;
+	pr.local_var = new_var;
+
+	walk_tree (&body, localize_reductions_r, &pr, NULL);
+      }
 }