[Bug inline-asm/40124] Inline asm should support limited control flow

[pinskia at gcc dot gnu dot org]

------- Comment #6 from pinskia at gcc dot gnu dot org  2009-05-12 16:48 -------
Sounds like you want to use __builtin_expect.

Also GCC uses heuristics to figure out:
    if(pred)
is taken most of the time because it is comparing a pointer to NULL.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40124