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by dialamac
2076 days ago
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> Why do you think modern CPUs still expose mostly C-abstract-machine-like interface I don’t think that, because they don’t. Your premise is hogwash. Modern RISC derived CPUs for the most part expose a load store architecture driven by historical evolution of that micro arch style and if they are SMP a memory model that only recently has C and C++ adapted to with standards. Intels ISA most assuredly was not influenced by C. SIMD isn’t reminiscent of anything standard C either. Also you might want to look into VLIW and the history of Itanium for an answer to your other question. |
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There's only one question. What do you mean?
But Itanium wasn't out of order. How does that even come close to answering a question about exposed out-of-order machinery?