gcclibs/libcpp/expr.c

379   result.overflow = false;
392       bool overflow = false;
432 	      overflow |= result.overflow;
437       if (overflow)
465   bool overflow;
468   /* Multiply by 2, 8 or 16.  Catching this overflow here means we don't
483   overflow = !!(num.high >> (PART_PRECISION - shift));
504     overflow = true;
508   result.overflow = overflow;
510   /* The above code catches overflow of a cpp_num type.  This catches
511      overflow of the (possibly shorter) target precision.  */
516     result.overflow = true;
584   result.overflow = false;
600   result.overflow = false;
875       /* Check for and handle stack overflow.  */
983 	  top->value.overflow = false;
994 	  top->value.overflow = false;
1029       if (top->value.overflow && !pfile->state.skip_eval)
1031 		   "integer overflow in preprocessor expression");
1147   num.overflow = (!num.unsignedp && num_eq (num, copy) && !num_zerop (num));
1180   lhs.overflow = false;
1221   lhs.overflow = false;
1237   lhs.overflow = false;
1279   num.overflow = false;
1289       num.overflow = !num.unsignedp && !num_zerop (num);
1312 	num.overflow = false;
1316 	  num.overflow = !num_eq (orig, maybe_orig);
1333       num.overflow = false;
1344       num.overflow = false;
1350       num.overflow = false;
1399       result.overflow = false;
1405 	  result.overflow = (lhsp == num_positive (rhs, precision)
1424    cannot overflow.  */
1450   result.overflow = false;
1461   bool overflow, negate = false;
1473   overflow = lhs.high && rhs.high;
1479     overflow = true;
1484     overflow = true;
1489     overflow = true;
1495     result.overflow = false;
1497     result.overflow = overflow || (num_positive (result, precision) ^ !negate
1582       result.overflow = false;
1587 	  result.overflow = (num_positive (result, precision) ^ !negate
1596   lhs.overflow = false;