optabs.c: (expand_bool_compare_and_swap): Emit barrier after unconditional jump.

2005-06-02  Adrian Straetling  <straetling@de.ibm.com>

	* optabs.c: (expand_bool_compare_and_swap): Emit barrier after
	  unconditional jump.

From-SVN: r100508

gcc/ChangeLog

+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.

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);