On Sun, 26 May 2013, Maciej W. Rozycki wrote: > I think this: > > > + return (((ip->u_format.uimmediate >> 6) & mm_jalr_op) == mm_jalr_op); > > should be fully decoded (and oversize line fixed too): > > return (((ip->u_format.uimmediate >> 6) & ~0x14) == > mm_jalr_op); Self-correction here: return (((ip->u_format.uimmediate >> 6) & ~0x140) == mm_jalr_op); -- sorry about the mistake. Maciej