https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806
Richard Biener changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806
--- Comment #3 from Alexander Zaitsev ---
> https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Other-Builtins.html#index-fprofile-arcs-1
I already read this and still do not understand the actual behavior. If PGO
profiles show that the branch is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806
--- Comment #2 from Andrew Pinski ---
(In reply to Andrew Pinski from comment #1)
> [[likely]]/__builtin_expect is kinda of documented:
>
> https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Other-Builtins.html#index-
> fprofile-arcs-1
>
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112806
--- Comment #1 from Andrew Pinski ---
[[likely]]/__builtin_expect is kinda of documented:
https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Other-Builtins.html#index-fprofile-arcs-1
Everything else is just a hint.