------- Comment #5 from bonzini at gnu dot org 2009-04-14 12:16 -------
Right, sorry -- it is only at -Os that we don't get it. VRP and DOM say that
the jump threading is not performed because the probability is too small, and
PRE does not run at -Os at all.
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|PRE does not discover |data-flow analysis does not
|constant real/imaginary |discover constant
|parts |real/imaginary parts
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39761
