https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66584
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
More than that, documenting gcc's branch heuristics is just in the code. And
you can see it what gcc figures out via debug dumps. It is also harder to
document this due to different things. For an example if your case 2 contained
a call to call function, it would change gcc's choices too.
