[fpc-devel] Extended type

[Florian Klämpfl]

Am 19.04.2011 12:12, schrieb Daniël Mantione:
> 
> 
> Op Tue, 19 Apr 2011, schreef Nikolai Zhubr:
> 
>> ms (supposedly) decided to just not preserve FPU/MMX state between
>> 64-bit processes.
> 
> MS does preserve FPU states between processes. You can use the x87 on
> Windows, nothing prevents you from doing so. Maybe the calling
> convention, but even that you can extend with x87.

FPC still uses the x87 FPU for trig. functions on Win64.

> 
> It's just that the documentation tells you not to use the x87.

Yes, because it's strange programming model should be really dropped.