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    SubjectRe: if (unlikely(...)) == unnecessary?
    On Wed, 28 Jan 2009, Chris Snook wrote:

    > Davide Libenzi wrote:
    > > I noticed that GCC >= 3.3 (not tried the ones before) automatically branches
    > > out the "if" code (and follow-through the "else" code, if there). Is that a
    > > coincidence or a rule we can rely on going forward?
    > That's the default behavior, but there are lots of things that can cause it to
    > behave differently.

    Please don't keep me hanging. What are they (just a few of the "lots"
    that makes GCC follow-through "if" code)?

    - Davide

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      Last update: 2009-01-28 20:45    [W:0.027 / U:1.624 seconds]
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