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    SubjectRe: [PATCH 0/24] make atomic_read() behave consistently across all architectures
    >>> What you probably mean is that the compiler has to assume any code
    >>> it cannot currently see can do anything (insofar as allowed by the
    >>> relevant standards etc.)
    > I think this was just terminology confusion here again. Isn't "any code
    > that it cannot currently see" the same as "another compilation unit",

    It is not; try gcc -combine or the upcoming link-time optimisation
    stuff, for example.

    > and wouldn't the "compilation unit" itself expand if we ask gcc to
    > compile more than one unit at once? Or is there some more specific
    > "definition" for "compilation unit" (in gcc lingo, possibly?)

    "compilation unit" is a C standard term. It typically boils down
    to "single .c file".


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      Last update: 2007-08-15 22:51    [W:0.019 / U:3.880 seconds]
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