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Replies to post #2052 on Advanced Micro Devices Inc (AMD)

Replies to #2052 on Advanced Micro Devices Inc (AMD)
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CombJelly

04/08/03 1:26 PM

#2065 RE: wbmw #2052

wbmw, minor correction.

x86-64 doesn't use special instructions to switch between 64 and 32 bit modes. It's part of the descriptor for the code segment. However, this makes it even more impossible for an application to switch itself into 64 bit mode...