diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7a1aff9b248..01c3d9a7f91 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-10-21  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* config/xtensa/xtensa.c (xtensa_expand_builtin): Remove unused 'arg'
+	variable.
+
 2012-10-20  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR rtl-optimization/54315
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 451a074da2a..dba8c41345e 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -3133,7 +3133,6 @@ xtensa_expand_builtin (tree exp, rtx target,
 {
   tree fndecl = TREE_OPERAND (CALL_EXPR_FN (exp), 0);
   unsigned int fcode = DECL_FUNCTION_CODE (fndecl);
-  rtx arg;
 
   switch (fcode)
     {