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Are these IA32, AMD64, IA64 so-called Instruction Set Architectures (a.k.a. macro-architectures)?...
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  1. #1
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    CPU Naming Schemes - x86 (386,486,586), AMD 64, IA64 & EM64T


    Are these IA32, AMD64, IA64 so-called Instruction Set Architectures (a.k.a. macro-architectures)?

  2. #2
    Linux Engineer Zelmo's Avatar
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    By my understanding, IA32 and IA64 are distinct ISAs. x86 is what IA32 used to be called before the advent of IA64 (and the name still sticks around because it's familiar), and x86-64 is IA32 extended to use 64-bit registers.
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