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Re: branch predictions

>>>>> Jamie Lokier writes:

 > On this theme of rearranging basic blocks, I have a couple of feature wishes.
 > 1. Annotations.  E.g., an attribute on a label to say "unlikely" or
 >    "likely".  So you could write:

 __builtin_expect should do this:
if (__builtin_expect (value, expected result) == some_value)
 >       if (unlikely_condition()) {
 >         __attribute__ ((unlikely)):
 >           /* ... */
 >       }


Andreas
-- 
 Andreas Jaeger
  SuSE Labs aj@suse.de
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