> Gerhard Scholz wrote: >> >> The check for overflow is obviously implemented different in 2.0.0 and >> 2.1.1 > > I'm not sure, at least > >> .L9: >> movw %dx,-12(%ebp) >> .Ll3: > > suggests that the target is not an integer, but instead is a (possibly > unsigned) word type. Please check again! > >> A solution would be to replace that line by: >> d := integer(Ord(a))-Ord(b) >> >> It seems that the compiler now sees a "ord(c)" to be a BYTE, and BYTE - >> BYTE >> shall give a BYTE, and -1 is not in the range allowed for a BYTE. > > Differences always should be interpreted as signed values, the error > message IMO comes from the final assignment.
What with cardinal-cardinal and pointer-cardinal or pointer-byte? Those can't be represented by a longint (the native singed type of pascal). In 2.0.0 the those were converted to int64 values, but users were complaining about the warnings that were generated. _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-devel
