diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 5d4cf93..7008b0e 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -88,6 +88,10 @@
 #endif
 };
 
+/* Constants we accept.  */
+#define TCG_CT_CONST_S32 0x100
+#define TCG_CT_CONST_U32 0x200
+
 /* Registers used with L constraint, which are the first argument 
    registers on x86_64, and two random call clobbered registers on
    i386. */