On Sun, 2002-08-11 at 08:38, Andrew Morton wrote:
> This information loss is unfortunate. Examples:
>
> for (i = 0; i < N; i++)
> prefetch(foo[i]);
>
> Problem is, if `prefetch' is a no-op, the compiler will still
> generate an empty busy-wait loop. Which it must do.
Why - nothing there is volatile
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This archive was generated by hypermail 2b29 : Thu Aug 15 2002 - 22:00:24 EST