Linked by Thom Holwerda on Tue 13th Nov 2012 22:24 UTC
AMD "Advanced Micro Devices has hired JPMorgan Chase & Co to explore options, which could include a potential sale, as the chipmaker struggles to find a role in an industry increasingly focused on mobile and away from traditional PCs, according to three sources familiar with the situation." Woah. Bad news for competition in the x86 space.
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What about 64-bit only?
by Thomas2005 on Wed 14th Nov 2012 14:34 UTC
Thomas2005
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?

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