Hi I have the following three question about mul: 1.How does the soft multiplication implemented in gcc? 2.How many instruction periods the soft multiplication costs? 3.How many instruction periods the hard multiplication costs? Could someone explain to me? Thanks and Regards -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.opencores.org/forums/openrisc/attachments/20040601/0c8ee466/attachment.htm