[fpc-devel] patch for fixing bug 4117
Michael Van Canneyt
michael at freepascal.org
Sun Aug 14 13:40:51 CEST 2005
On Sun, 14 Aug 2005, Peter Vreman wrote:
> At 13:19 14-8-2005, you wrote:
> > Hi,
> > attached is a patch from Juergen Rathlev which *should* fixes bug 4117 and
> > may fix 4234, too. It removes using of qword from fpreadpng.pp because
> > qword seems to be buggy and may probably improve the performance of some
> > functions, too, because it avoids redundant shifting operations.
> If qword is buggy then that needs to be fixed. Applying this patch will only
> hide the real bug in the compiler.
> The compiler bug needs to be fixed first before this patch can be applied
> otherwise it is not reproducable anymore.
> FYI i already analysed it a little a before my holiday, the bug only happends
> when optimization with -O2 is done.
Seems I was too fast for you :/
The patch created revision 859, so you can reproduce with version 858...
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