------- Comment #3 from ramana at gcc dot gnu dot org 2009-12-29 12:44 -------
Steven,
(In reply to comment #2)
> The "if (outcnt == 1) func ();" bit is optimized for me with gcc-4.4.2 on
> x86_64 at -O1 and -O2, but not at -Os. I was a bit too hasty to call this
> alias
> related, it seems.
Yes it seems to go away at O1 and O2. I didn't see any comment from you earlier
so not sure what you are referring to here.
> The O2 and Os tree dumps start to diverge in the dom1 dump,
> where we have just one call to func after dom1 at -O2 and still two calls at
> -O2.
>
FWIW I saw this removed by dom2 in trunk at -Os. In any case I think the
component ought to be tree-optimization and changed.
Cheers
Ramana
--
ramana at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c |tree-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42494
