[fpc-devel]some m68k releated stuff

[Florian Klaempfl]

Balogh, Karoly (Charlie/iNQ) wrote:
> Hi,
> 
> Here are a few things about the m68k version i'd like to discuss. 
> 
> First, how well the FPU codegenerator is tested in the m68k version?
> I ask, because i've got a pretty big piece of code here, which makes
> heavy use of float math. (A 3D engine namely.) I wrote it using the 
> i386 compiler, a few years ago. So now i tried to port it to m68k.
> After working around a few internalerror(10)'s :) i successfully compiled
> the code, and it worked. But then i tried to switch off the FPU emulation
> to generate direct FPU code, since that should be really faster on my
> '060 baby. But i didn't got anything but nasty crashes, and some invalid
> instruction exceptions... So, are there any known defects of the FPU code
> generator, or should i try to give a small example program which shows 
> the error?
> 
> Second, is there a chance to get '020 style addressing supported in
> inline assembly? So to use (1234,a0) instead of 1234(a0). Well, it's 
> not that important, but can come handy in some cases...
> 
> Third, is it possible to have parameter-passing in registers, in the
> procedure definition in a foreseeable future? Needless to say, it can 
> come handy when someone writing header units for AmigaOS libs... :)
> 
> And for last, are there any jobs open for volunteers in the
> m68k/amigaos port? I'd really like to make myself useful. :)

The jobs/problems you mentioned above :) ?