[fpc-devel] 64 Bit / 32 Bit

Florian Klaempfl florian at freepascal.org
Thu Oct 4 11:30:13 CEST 2007


Michael Schnell schrieb:
> 
>> In some Win64 beta MS disabled even the use of the FPU. Because this
>> went too far, MS marked the use of the FPU as deprecated.
>>   
> OK, for a Beta this might be OK (and done supposedly due to the OS
> failing to manage the FPU registers correctly), but the final product
> needs to support all the CPU offers.

It is supported but deprecated because x87 fpu simply gives compilers a
headache.



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