2008-09-13 Richard Guenther <rguenther@suse.de>

	PR middle-end/30141
	* tree-nested.c (finalize_nesting_tree_1): Generate valid
	gimple stores for memory rhs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@140346 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7375041..3e9707c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-09-13  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/30141
+       * tree-nested.c (finalize_nesting_tree_1): Generate valid
+       gimple stores for memory rhs.
+
 2008-09-13  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR rtl-optimization/37489

diff --git a/gcc/tree-nested.c b/gcc/tree-nested.c
index cfa1dd4..8f9fec5 100644 (file)
--- a/gcc/tree-nested.c
+++ b/gcc/tree-nested.c
@@ -1995,6 +1995,15 @@ finalize_nesting_tree_1 (struct nesting_info *root)
                      root->frame_decl, field, NULL_TREE);
          stmt = gimple_build_assign (y, x);
          gimple_seq_add_stmt (&stmt_list, stmt);
+         /* If the assignment is from a non-register the stmt is
+            not valid gimple.  Make it so by using a temporary instead.  */
+         if (!is_gimple_reg (x)
+             && is_gimple_reg_type (TREE_TYPE (x)))
+           {
+             gimple_stmt_iterator gsi = gsi_last (stmt_list);
+             x = init_tmp_var (root, x, &gsi);
+             gimple_assign_set_rhs1 (stmt, x);
+           }
        }
     }