T_DATA_EXCEPTION
fpu_trap(rp, pfpsd->fp_trapaddr, T_DATA_EXCEPTION, 0);
case T_DATA_EXCEPTION + T_USER: /* user data access exception */
case T_DATA_EXCEPTION: /* system data access exception */
case T_DATA_EXCEPTION:
case T_DATA_EXCEPTION + T_USER: /* user data access exception */
case T_DATA_EXCEPTION:
if (type == T_DATA_EXCEPTION || type == T_INSTR_EXCEPTION) {
case T_DATA_EXCEPTION:
if (type == T_DATA_EXCEPTION || type == T_INSTR_EXCEPTION) {