Hi, Any help regarding the query posted on the following link will be highly appreciated, http://gcc.gnu.org/ml/gcc-help/2008-06/msg00204.html To add to the list of instructions listed in the above post, does anybody know why the branch instruction BSR and its conditional types BSR/BC and BSR/BS are not implemented in the H8300 port? Thanks in advance. Regards, Deepen Mantri KPIT Cummins Infosystems Ltd, Pune