tree.c (recompute_tree_invarant_for_addr_expr): The address of a thread-local variable is invariant.

	* tree.c (recompute_tree_invarant_for_addr_expr): The address of a
	thread-local variable is invariant.

From-SVN: r91174

2 files changed, 8 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9d94234..7d5bae2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-24  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree.c (recompute_tree_invarant_for_addr_expr): The address of a
+	thread-local variable is invariant.
+
 2004-11-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* tree-pretty-print.c (dump_generic_node, case POINTER_TYPE):
diff --git a/gcc/tree.c b/gcc/tree.c
index 643f1de..9fb3628 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2421,7 +2421,9 @@ do { tree _node = (NODE); \
     {
       if (staticp (node))
 	;
-      else if (decl_function_context (node) == current_function_decl)
+      else if (decl_function_context (node) == current_function_decl
+	       /* Addresses of thread-local variables are invariant.  */
+	       || (TREE_CODE (node) == VAR_DECL && DECL_THREAD_LOCAL (node)))
 	tc = false;
       else
 	ti = tc = false;