PR tree-opt/22116

        * tree-ssa-pre.c (create_expression_by_pieces): Set
        DECL_COMPLEX_GIMPLE_REG_P.
        (insert_into_preds_of_block): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101177 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 6ec3cdc194b..a46c367d34b 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -1593,6 +1593,8 @@ create_expression_by_pieces (basic_block block, tree expr, tree stmts)
      that we will return.  */
   temp = create_tmp_var (TREE_TYPE (expr), "pretmp");
   add_referenced_tmp_var (temp);
+  if (TREE_CODE (TREE_TYPE (expr)) == COMPLEX_TYPE)
+    DECL_COMPLEX_GIMPLE_REG_P (temp) = 1;
   newexpr = build (MODIFY_EXPR, TREE_TYPE (expr), temp, newexpr);
   name = make_ssa_name (temp, newexpr);
   TREE_OPERAND (newexpr, 0) = name;
@@ -1699,6 +1701,8 @@ insert_into_preds_of_block (basic_block block, value_set_node_t node,
   /* Now build a phi for the new variable.  */
   temp = create_tmp_var (type, tmpname);
   add_referenced_tmp_var (temp);
+  if (TREE_CODE (type) == COMPLEX_TYPE)
+    DECL_COMPLEX_GIMPLE_REG_P (temp) = 1;
   temp = create_phi_node (temp, block);
   NECESSARY (temp) = 0; 
   VEC_safe_push (tree, heap, inserted_exprs, temp);