gcc/libcpp/expr.c

1175 		cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1177   lhs.overflow = false;
1178   lhs.unsignedp = lhs.unsignedp || rhs.unsignedp;
1184       lhs.low &= rhs.low;
1185       lhs.high &= rhs.high;
1189       lhs.low |= rhs.low;
1190       lhs.high |= rhs.high;
1194       lhs.low ^= rhs.low;
1195       lhs.high ^= rhs.high;
1198   return lhs;
1203 num_inequality_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs,
1206   bool gte = num_greater_eq (lhs, rhs, CPP_OPTION (pfile, precision));
1209     lhs.low = gte;
1211     lhs.low = !gte;
1213     lhs.low = gte && !num_eq (lhs, rhs);
1215     lhs.low = !gte || num_eq (lhs, rhs);
1217   lhs.high = 0;
1218   lhs.overflow = false;
1219   lhs.unsignedp = false;
1220   return lhs;
1226 		 cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1229   bool eq = num_eq (lhs, rhs);
1232   lhs.low = eq;
1233   lhs.high = 0;
1234   lhs.overflow = false;
1235   lhs.unsignedp = false;
1236   return lhs;
1357 num_binary_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1382 	lhs = num_lshift (lhs, precision, n);
1384 	lhs = num_rshift (lhs, precision, n);
1391       result.low = lhs.low + rhs.low;
1392       result.high = lhs.high + rhs.high;
1393       if (result.low < lhs.low)
1395       result.unsignedp = lhs.unsignedp || rhs.unsignedp;
1401 	  bool lhsp = num_positive (lhs, precision);
1413       lhs = rhs;
1417   return lhs;
1423 num_part_mul (cpp_num_part lhs, cpp_num_part rhs)
1428   result.low = LOW_PART (lhs) * LOW_PART (rhs);
1429   result.high = HIGH_PART (lhs) * HIGH_PART (rhs);
1431   middle[0] = LOW_PART (lhs) * HIGH_PART (rhs);
1432   middle[1] = HIGH_PART (lhs) * LOW_PART (rhs);
1454 num_mul (cpp_reader *pfile, cpp_num lhs, cpp_num rhs)
1457   bool unsignedp = lhs.unsignedp || rhs.unsignedp;
1464       if (!num_positive (lhs, precision))
1465 	negate = !negate, lhs = num_negate (lhs, precision);
1470   overflow = lhs.high && rhs.high;
1471   result = num_part_mul (lhs.low, rhs.low);
1473   temp = num_part_mul (lhs.high, rhs.low);
1478   temp = num_part_mul (lhs.low, rhs.high);
1504 num_div_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1508   bool unsignedp = lhs.unsignedp || rhs.unsignedp;
1515       if (!num_positive (lhs, precision))
1516 	negate = !negate, lhs_neg = true, lhs = num_negate (lhs, precision);
1545       return lhs;
1554   lhs.unsignedp = true;
1561       if (num_greater_eq (lhs, sub, precision))
1563 	  lhs = num_binary_op (pfile, lhs, sub, CPP_MINUS);
1591   lhs.unsignedp = unsignedp;
1592   lhs.overflow = false;
1594     lhs = num_negate (lhs, precision);
1596   return lhs;