Fix ChangeLog entry.

[pf3gnuchains/gcc-fork.git] / gcc / tree-ssa-alias.c

diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 7b702f0..f0d16d4 100644 (file)
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -2853,6 +2853,7 @@ create_sft (tree var, tree field, unsigned HOST_WIDE_INT offset,
   TREE_PUBLIC  (subvar) = TREE_PUBLIC (var);
   TREE_STATIC (subvar) = TREE_STATIC (var);
   TREE_READONLY (subvar) = TREE_READONLY (var);
+  TREE_ADDRESSABLE (subvar) = TREE_ADDRESSABLE (var);
 
   /* Add the new variable to REFERENCED_VARS.  */
   ann = get_var_ann (subvar);
@@ -3193,3 +3194,34 @@ struct tree_opt_pass pass_create_structure_vars =
   TODO_dump_func,       /* todo_flags_finish */
   0                     /* letter */
 };
+
+/* Reset the DECL_CALL_CLOBBERED flags on our referenced vars.  In
+   theory, this only needs to be done for globals.  */
+
+static unsigned int
+reset_cc_flags (void)
+{
+  tree var;
+  referenced_var_iterator rvi;
+
+  FOR_EACH_REFERENCED_VAR (var, rvi)
+    DECL_CALL_CLOBBERED (var) = false;
+  return 0;
+}
+
+struct tree_opt_pass pass_reset_cc_flags =
+{
+  NULL,                 /* name */
+  NULL,         /* gate */
+  reset_cc_flags, /* execute */
+  NULL,                         /* sub */
+  NULL,                         /* next */
+  0,                    /* static_pass_number */
+  0,                    /* tv_id */
+  PROP_referenced_vars |PROP_cfg, /* properties_required */
+  0,                    /* properties_provided */
+  0,                    /* properties_destroyed */
+  0,                    /* todo_flags_start */
+  0,                    /* todo_flags_finish */
+  0                     /* letter */
+};