[fpc-devel] 64 Bit / 32 Bit

[Thorsten Engler]

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> Actually this is the whole core of the matter: Microsoft's  
> developers though they could save the task switch time by not 
> storing the fpu.
> 
> However, later they discovered it was a huge security leak, 
> and added the fpu store code.

For what it's worth, it's not just Microsoft who says x87 is deprecated
under 64bit:

http://developer.amd.com/articles.jsp?id=9&num=4

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