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    SubjectRe: [patch 4/21] fix ARCH_HAS_PREFETCH
    Rogier Wolff wrote:
    >>Bullsh*t. It can legitimately transform it into:
    >> i = N;
    > Right! But people are confusing "practise", "published interface", and
    > "spec" again.
    > Published interface in this case is that gcc will not optimize an empty
    > loop away, as it is often used to generate a timing loop.

    Yes. This is a gcc-specific wart, a bad idea from the start, and
    apparently one which has caught up with them to the point that they've
    had to abandon it.


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