2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>

        PR tree-opt/21304
        * tree-dfa.c (add_referenced_var): Only look at decls which
        have TREE_CONSTANT or TREE_READONLY set instead of if
        !TREE_PUBLIC or !TREE_CONSTANT.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105390 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f30de32..c7b6f33 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR tree-opt/21304
+       * tree-dfa.c (add_referenced_var): Only look at decls which
+       have TREE_CONSTANT or TREE_READONLY set instead of if
+       !TREE_PUBLIC or !TREE_CONSTANT.
+
 2005-10-13  James E Wilson  <wilson@specifix.com>
 
        * doc/invoke.texi: For -x, add f95-cpp-input.

diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c
index 866ac6e..9fc48d5 100644 (file)
--- a/gcc/tree-dfa.c
+++ b/gcc/tree-dfa.c
@@ -651,9 +651,9 @@ add_referenced_var (tree var, struct walk_state *walk_state)
             optimizers.  */
           && !DECL_EXTERNAL (var)
          /* It's not necessary to walk the initial value of non-constant
-            public variables because it cannot be propagated by the
+            variables because it cannot be propagated by the
             optimizers.  */
-         && (!TREE_PUBLIC (var) || !TREE_CONSTANT (var)))
+         && (TREE_CONSTANT (var) || TREE_READONLY (var)))
        walk_tree (&DECL_INITIAL (var), find_vars_r, walk_state, 0);
     }
 }