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...ing, the stack offset register as well as a few others are available. Depending on processor, the computational registers can use these segments the way they were designed. ia32 requires one operand of compare in a comp register, others can handle offset-offset compare in one cycle. compreg = ds+numofblock*width when you are using TWO stack pointers, ds, and whatever else available, you end up with all available data for the vector comparison within one flop and an offset within the vector with one rol function on the control register. most accumulators can handle this easily. ... There are many...

I realize I am one of the few who uses the segment registers (especially CS and DS) on the ia32 chips for example, and a definite few with complete segregation models that rival specialized physical processors... GCC still fails to use these correctly and if your LLVM still depends on either Generic or some of the RTL models they use in various processor definitions, I express concern for