https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100473
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c |middle-end
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #2)
> I think we've never claimed that -O2 stands for -O1 + specific options,
> similarly to how -O1 certainly is not -O0 + lots of options (even much more
> different, because if (optimize) is very common and is used in gating tests
> of whole pass sets.
From
https://gcc.gnu.org/onlinedocs/gcc-11.1.0/gcc/Optimize-Options.html#Optimize-Options
:
Not all optimizations are controlled directly by a flag. Only optimizations
that have a flag are listed in this section.
