&sc->sc_iaoq[0], compat_reg);
                
                /* Store upper half */
-               compat_reg = (compat_uint_t)(regs->gr[32] >> 32);
+               compat_reg = (compat_uint_t)(regs->gr[31] >> 32);
                err |= __put_user(compat_reg, &rf->rf_iaoq[0]);
                DBG(2,"setup_sigcontext32: upper half iaoq[0] = %#x\n", compat_reg);
                
                DBG(2,"setup_sigcontext32: sc->sc_iaoq[1] = %p <= %#x\n",
                                &sc->sc_iaoq[1], compat_reg);
                /* Store upper half */
-               compat_reg = (compat_uint_t)((regs->gr[32]+4) >> 32);
+               compat_reg = (compat_uint_t)((regs->gr[31]+4) >> 32);
                err |= __put_user(compat_reg, &rf->rf_iaoq[1]);
                DBG(2,"setup_sigcontext32: upper half iaoq[1] = %#x\n", compat_reg);