+/* Pre-decrement is only supported for SP. */
+#define OPERAND_SP (0x100000)
+
+/* Post-decrement is not supported for SP. Like OPERAND_EVEN, and
+ unlike OPERAND_SP, this flag doesn't prevent the instruction from
+ matching, it only fails validation later on. */
+#define OPERAND_NOSP (0x200000)
+