Linked by Thom Holwerda on Tue 13th Nov 2012 22:24 UTC
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Member since:
2005-11-07
If a company bought AMD and lost the rights to the x86 instructions what kind of damage would be done by going 64-bit only? Obviously, most 3rd party Windows consumer applications and the current linux compatibility layer in FreeBSD would be affected, but what about the OSes and the instructions in the CPUs?
Does Windows 64-bit Vista/7/8 have 32-bit code still lingering that would keep them from running on AMD chips? Would we lose instructions like sse or do they have 64-bit versions? Most importantly, would any chips be grandfathered in so while new chips would lose 32-bit instructions, the new company could still produce the current line of CPUs while they make the transition?