gcclibs/libcpp/expr.c

1178 		cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1180   lhs.overflow = false;
1181   lhs.unsignedp = lhs.unsignedp || rhs.unsignedp;
1187       lhs.low &= rhs.low;
1188       lhs.high &= rhs.high;
1192       lhs.low |= rhs.low;
1193       lhs.high |= rhs.high;
1197       lhs.low ^= rhs.low;
1198       lhs.high ^= rhs.high;
1201   return lhs;
1206 num_inequality_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs,
1209   bool gte = num_greater_eq (lhs, rhs, CPP_OPTION (pfile, precision));
1212     lhs.low = gte;
1214     lhs.low = !gte;
1216     lhs.low = gte && !num_eq (lhs, rhs);
1218     lhs.low = !gte || num_eq (lhs, rhs);
1220   lhs.high = 0;
1221   lhs.overflow = false;
1222   lhs.unsignedp = false;
1223   return lhs;
1229 		 cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1232   bool eq = num_eq (lhs, rhs);
1235   lhs.low = eq;
1236   lhs.high = 0;
1237   lhs.overflow = false;
1238   lhs.unsignedp = false;
1239   return lhs;
1360 num_binary_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1385 	lhs = num_lshift (lhs, precision, n);
1387 	lhs = num_rshift (lhs, precision, n);
1394       result.low = lhs.low + rhs.low;
1395       result.high = lhs.high + rhs.high;
1396       if (result.low < lhs.low)
1398       result.unsignedp = lhs.unsignedp || rhs.unsignedp;
1404 	  bool lhsp = num_positive (lhs, precision);
1416       lhs = rhs;
1420   return lhs;
1426 num_part_mul (cpp_num_part lhs, cpp_num_part rhs)
1431   result.low = LOW_PART (lhs) * LOW_PART (rhs);
1432   result.high = HIGH_PART (lhs) * HIGH_PART (rhs);
1434   middle[0] = LOW_PART (lhs) * HIGH_PART (rhs);
1435   middle[1] = HIGH_PART (lhs) * LOW_PART (rhs);
1457 num_mul (cpp_reader *pfile, cpp_num lhs, cpp_num rhs)
1460   bool unsignedp = lhs.unsignedp || rhs.unsignedp;
1467       if (!num_positive (lhs, precision))
1468 	negate = !negate, lhs = num_negate (lhs, precision);
1473   overflow = lhs.high && rhs.high;
1474   result = num_part_mul (lhs.low, rhs.low);
1476   temp = num_part_mul (lhs.high, rhs.low);
1481   temp = num_part_mul (lhs.low, rhs.high);
1507 num_div_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
1511   bool unsignedp = lhs.unsignedp || rhs.unsignedp;
1518       if (!num_positive (lhs, precision))
1519 	negate = !negate, lhs_neg = true, lhs = num_negate (lhs, precision);
1548       return lhs;
1557   lhs.unsignedp = true;
1564       if (num_greater_eq (lhs, sub, precision))
1566 	  lhs = num_binary_op (pfile, lhs, sub, CPP_MINUS);
1595   lhs.unsignedp = unsignedp;
1596   lhs.overflow = false;
1598     lhs = num_negate (lhs, precision);
1600   return lhs;