int mode_is_int_vector (const ir_mode *mode);
/*@}*/
-/** Returns true if sm can be converted to lm without loss
- according to firm definition */
+/**
+ * Returns true if sm can be converted to lm without loss
+ * according to firm definition.
+ *
+ * Note that mode_Iu is NOT smaller than mode_Is here.
+ *
+ * @see values_in_mode()
+ */
int smaller_mode(const ir_mode *sm, const ir_mode *lm);
+/**
+ * Returns true if a value of mode sm can be converted into mode lm
+ * and backwards without loss.
+ *
+ * Note that mode_Iu values CAN be converted in mode_Is and back.
+ *
+ * @see smaller_mode()
+ */
+int values_in_mode(const ir_mode *sm, const ir_mode *lm);
+
/**
* Returns a matching unsigned mode for a given integer signed mode.
* Returns NULL if no matching mode exists.
*/
void set_reference_mode_unsigned_eq(ir_mode *ref_mode, ir_mode *int_mode);
+/**
+ * Returns non-zero if the cast from mode src to mode dst is a
+ * reinterpret cast (ie. only the bit pattern is reinterpreted,
+ * no conversion is done)
+ */
+int is_reinterpret_cast(const ir_mode *src, const ir_mode *dst);
+
#endif