[Bug tree-optimization/53346] [4.6/4.7/4.8 Regression] Bad vectorization in the proc cptrf2 of rnflow.f90

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53346

--- Comment #15 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-18 17:54:16 UTC ---
(In reply to comment #14)
> Compile and execute slow assembly:
> real    0m18.170s
> user    0m17.907s
> sys     0m0.223s
> 
> WTF happened here?!

Are conditional moves that bad on x86?  The change which uses them more for
COND_EXPR was mine but really I think this was a latent bug or a way to say
chose conditional move over jumps for some targets.