Code optimization <LEA Instruction>

[Alan Cox]

> The test shows that LEA should not be arbitrarily used for arithmetic on
> an index register. It clearly shows that addition is faster.

Arbitarily no, general case it should be.

> It was written to demonstrate this. It demonstrates this. Alan assumed

You wrote a demo for AGI generation stalls  not for lea performance when
compiler scheduled. Most x86 chips have a single AGI generator so you 
just stalled your cpu a lot.

Alan


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