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    SubjectRe: Code optimization <LEA Instruction>
    Date
    From
    > One of the things it states is that the LEA instruction can
    > be used to change the value of an index register faster than
    > using the ADD instruction (Page G-10, Intel '486 Rag).

    It is

    >
    > As usual, the Intel reference manual is wrong for all types
    > of CPUs that I have tested (486-686).

    Your test is wrong. See the notes on address generation stalls


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