[fpc-devel] Internal error with division by QWord (Issue #33004)

[J. Gareth Moreton]

On Thu 11/01/18 21:03 , Florian Klämpfl 
florian at freepascal.org sent:
> Am 11.01.2018 um 21:46 schrieb J. Gareth 
Moreton:
> 
> > So while testing some proposed 
optimisations for
> how div and mod operations are compiled, 
I came across an 
> > internal error in the compiler.
> 
> > 
> 
> > https://bugs.freepascal.org/view.php?
id=33004
> > 
> 
> > I haven't yet delved into the location 
of
> Internal error 200706094, but something 
worth bringing up because it 
> > is a fairly fundamental flaw with a 
relatively
> simple operation.
> > 
> 
> > Possibly related, but the compiler 
automatically
> treats numbers larger than or equal to 
$8000000000000000 as 
> > signed (Int64) regardless of the 
context or what
> it's being assigned to (this usually 
involves compiler 
> > warnings, but also involves causing 
div to be
> signed instead of unsigned unless the 
constant is explicitly 
> > typecast, which raises the 
aforementioned
> internal error on 'div', but not 'mod').
> > 
> 
> 
> 
> I solved it meanwhile.
> 
> 
> 
That was fast!
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