38 #define num_zerop(num) ((num.low | num.high) == 0)  macro
1399 	  if (!num_zerop (top->value))  in _cpp_parse_expr()
1404 	  if (num_zerop (top->value))  in _cpp_parse_expr()
1411 	  if (!num_zerop (top[-1].value)) /* Was '?' condition true?  */  in _cpp_parse_expr()
1445   return !num_zerop (top->value);  in _cpp_parse_expr()
1533 	  if (!num_zerop (top->value))  in reduce()
1535 	  top->value.low = (!num_zerop (top->value)  in reduce()
1536 			    || !num_zerop (top[1].value));  in reduce()
1545 	  if (num_zerop (top->value))  in reduce()
1547 	  top->value.low = (!num_zerop (top->value)  in reduce()
1548 			    && !num_zerop (top[1].value));  in reduce()
1570 	  if (!num_zerop (top->value))  in reduce()
1715   num.overflow = (!num.unsignedp && num_eq (num, copy) && !num_zerop (num));  in num_negate()
1857       num.overflow = !num.unsignedp && !num_zerop (num);  in num_lshift()
1916       num.low = num_zerop (num);  in num_unary_op()
2081 				   && !num_zerop (result));  in num_mul()
2175 			     && !num_zerop (result));  in num_div_op()