On Thu, Oct 2, 2025 at 12:01 AM Jan Hubicka <[email protected]> wrote: > > Hi, > This patch adds a parameter that controls whether BB profile is read from > auto-profile > or we just scale guessed profile according to known counts. This is mostly > useful as > a first aid when auto-profile goes wrong. Once we fix enough bugs I think it > may be > removed but so far it is quite useful, so I decided to push it. > > Bootstrapped/regtested x86_64-linux, comitted. > > gcc/ChangeLog: > > * auto-profile.cc (determine_scale): Break out from ... > (afdo_adjust_guessed_profile): ... here. > (scale_bb_profile): New function. > (afdo_annotate_cfg): Use it. > * params.opt (auto-profile-bbs): New parmaeter. > * doc/invoke.texi (auto-profile-bbs): Document. >
I think this caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122125 -- H.J.
