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Add example 'abstract' architectures for LLI: MIX, MMIX, and DLX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16653 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -344,7 +344,10 @@ mail the result to yourself. Repeat ad infinitum.</li>
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<li>Convert the non-functional Skeleton target to become an abstract machine
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target (choose some simple instructions, a register set, etc). This will
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become a much more useful example of a backend since it would be a simple
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but <em>functional</em> backend.</li>
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but <em>functional</em> backend. Examples of such architectures include MIX,
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MMIX, <a
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href="http://www.cs.cinvestav.mx/SC/prof_personal/adiaz/vhdl/DLX/">DLX</a>,
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or come up with your own!</li>
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<li>Use the new Skeleton backend in the Interpreter: compile LLVM to Skeleton
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target, and then interpret that code instead of LLVM. Performance win would
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be the primary goal, as the number of registers would be a small constant
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