diff --git a/target-i386/exec.h b/target-i386/exec.h
index dc1df94ab4..6741485a0a 100644
--- a/target-i386/exec.h
+++ b/target-i386/exec.h
@@ -171,6 +171,13 @@ void helper_wrmsr(void);
 void helper_lsl(void);
 void helper_lar(void);
 
+void check_iob_T0(void);
+void check_iow_T0(void);
+void check_iol_T0(void);
+void check_iob_DX(void);
+void check_iow_DX(void);
+void check_iol_DX(void);
+
 /* XXX: move that to a generic header */
 #if !defined(CONFIG_USER_ONLY)
 
diff --git a/target-i386/ops_template.h b/target-i386/ops_template.h
index 182296743b..064881558b 100644
--- a/target-i386/ops_template.h
+++ b/target-i386/ops_template.h
@@ -608,6 +608,16 @@ void OPPROTO glue(glue(op_out, SUFFIX), _DX_T0)(void)
     glue(cpu_x86_out, SUFFIX)(env, EDX & 0xffff, T0);
 }
 
+void OPPROTO glue(glue(op_check_io, SUFFIX), _T0)(void)
+{
+    glue(glue(check_io, SUFFIX), _T0)();
+}
+
+void OPPROTO glue(glue(op_check_io, SUFFIX), _DX)(void)
+{
+    glue(glue(check_io, SUFFIX), _DX)();
+}
+
 #undef DATA_BITS
 #undef SHIFT_MASK
 #undef SIGN_MASK