963   if (GET_CODE (x) == PLUS && REG_P (XEXP (x, 0))  in find_temp_slot_from_address()
966   else if (GET_CODE (x) == PLUS && REG_P (XEXP (x, 1))  in find_temp_slot_from_address()
996       if (REG_P (new))  in update_temp_slot_address()
1083   if (REG_P (x) && REG_POINTER (x))  in preserve_temp_slots()
1393 	  && REG_P (SET_DEST (set))  in instantiate_virtual_regs_in_insn()
1428 	      && REG_P (SET_DEST (set))  in instantiate_virtual_regs_in_insn()
1605       || (REG_P (addr)  in instantiate_decl()
1826   if (!REG_P (reg))  in aggregate_value_p()
2404 	    && REG_P (XEXP (XVECEXP (entry_parm, 0, i), 0))  in assign_parm_adjust_entry_rtl()
2468   if (REG_P (data->entry_parm)  in assign_parm_setup_block_p()
2554   if (REG_P (entry_parm) || GET_CODE (entry_parm) == PARALLEL)  in assign_parm_setup_block()
2721 	  && REG_P (SUBREG_REG (tempreg))  in assign_parm_setup_reg()
3126       if (REG_P (decl_rtl)  in assign_parms()
3267     if (REG_P (DECL_INCOMING_RTL (arg))  in promoted_input_arg()
3545 	  && REG_P (DECL_RTL (decl))  in setjmp_vars_warning()
3566 	&& REG_P (DECL_RTL (decl))  in setjmp_args_warning()
4138 	  if (REG_P (hard_reg))  in expand_function_start()
4244   if (REG_P (outgoing))  in diddle_return_value()
4254 	  if (REG_P (x) && REGNO (x) < FIRST_PSEUDO_REGISTER)  in diddle_return_value()
4276       if (REG_P (decl_rtl) && REGNO (decl_rtl) >= FIRST_PSEUDO_REGISTER)  in clobber_return_register()
4432       if (REG_P (decl_rtl)  in expand_function_end()
4812 	  if (REG_P (retaddr))  in keep_stack_depressed()
4826 	      if (REG_P (ret_ptr))  in keep_stack_depressed()
4834 			      && REG_P (XEXP (ret_ptr, 0))  in keep_stack_depressed()
4958 	      gcc_assert (REG_P (XEXP (SET_SRC (set), 1))  in handle_epilogue_set()
4976       gcc_assert (p->new_sp_equiv_reg && REG_P (p->new_sp_equiv_reg));  in handle_epilogue_set()
4992 		  && REG_P (p->new_sp_equiv_reg)  in handle_epilogue_set()
4993 		  && REG_P (SET_DEST (set))  in handle_epilogue_set()
5025   if (!REG_P (dest) || REGNO (dest) >= FIRST_PSEUDO_REGISTER)  in update_epilogue_consts()
5040 	   && REG_P (XEXP (SET_SRC (x), 0))  in update_epilogue_consts()