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A comment on X86 Register Encoding. Parent comment

Re:X86 Register Encoding by gsnedders on Tuesday November 01, 2016 @06:23PM (#12850636)
Related to this is the PPC615, an IBM project in the mid-90s, socket compatible with the original Pentium, and ran x86-32, PPC32, and PPC64 natively. (It got scrapped because all the signs looked like Intel was going to push IA-64 heavily, and rely on it's backwards compatibility for x86-32, hence an expectation x86-32 was soon to be legacy.)
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Re:X86 Register Encoding by setpatchaddress on Tuesday November 01, 2016 @11:27PM (#12852043)
Do you have a reference for that? I've heard various things about the 615, one of which was that it wasn't ever a real project.
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