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A comment on Every processor die anyone has photographed and given away. Parent comment
But all the legacy operating modes too? A modern x86 cpu should only have 2:
# Full-on 64 bit, legacy cruft cleared out as much as possible
# A compatibility mode to run application code written for 32-bit protected mode OSes like Win2k/XP etc
And even that last mode could be optional. Any other legacy support is just waste of transistors imho (however 'few').
Intel made a move in that direction years ago. Sadly that went nowhere.
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But all the legacy operating modes too? A modern x86 cpu should only have 2:
# Full-on 64 bit, legacy cruft cleared out as much as possible
# A compatibility mode to run application code written for 32-bit protected mode OSes like Win2k/XP etc
And even that last mode could be optional. Any other legacy support is just waste of transistors imho (however 'few').
Intel made a move in that direction years ago. Sadly that went nowhere.