-* Put the registers to be ignored in this IRG into a bitset.
-* @param birg The backend IRG data structure.
-* @param cls The register class.
-* @param bs The bitset (may be NULL).
-* @return The number of registers to be ignored.
-*/
+ * Put the registers to be ignored in this IRG into a bitset.
+ * @param birg The backend IRG data structure.
+ * @param cls The register class.
+ * @param bs The bitset (may be NULL).
+ * @return The number of registers to be ignored.
+ */