diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 407911ec2f7..766c4e29dc1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
+
+	* optabs.c: (expand_bool_compare_and_swap): Emit barrier after
+	  unconditional jump.
+
 2005-06-02  Jan Hubicka  <jh@suse.cz>
 
 	* cgraph.c (cgraph_node): Maintain master clones.
diff --git a/gcc/optabs.c b/gcc/optabs.c
index d3c4934c544..2e84ac3a0b8 100644
--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -5627,6 +5627,7 @@ expand_bool_compare_and_swap (rtx mem, rtx old_val, rtx new_val, rtx target)
   emit_jump_insn (bcc_gen_fctn[EQ] (label0));
   emit_move_insn (target, const0_rtx);
   emit_jump_insn (gen_jump (label1));
+  emit_barrier ();
   emit_label (label0);
   emit_move_insn (target, const1_rtx);
   emit_label (label1);