[fpc-devel] Patch, font rendering on Arm-Linux devices.
jura at cp-lab.com
Tue Feb 26 11:22:07 CET 2008
From: "Daniël Mantione" <daniel.mantione at freepascal.org>
> > Bernd Mueller schreef:
> >> Hello,
> >> the attached patch avoids misaligned data access (bus errors),
> >> during font
> >> rendering (with the graph unit) on Arm-Linux devices.
> > Instead of testing for arm cpu, you could use
> > FPC_REQUIRES_PROPER_ALIGNMENT
> > too. So it is fixed for sparc as well.
> Well, packed records are usually used when speed is unimportant. If
> code is speed critical, packed should not be used for aby platform.
> Therefore I would like Bernd to consider the use of the 'unaligned'
> pseudo-function, ifdefs make code less readable.
The patch removes packed record for some platforms.
IMO packed can be removed for all platforms. It will gain some speed.
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