[fpc-devel] 64 Bit / 32 Bit
Thorsten Engler
thorsten.engler at gmx.net
Thu Oct 4 15:39:35 CEST 2007
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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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