[Bug rtl-optimization/54751] [4.8 Regression] slow compile time with rtl loop unroller

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54751

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |compile-time-hog
   Target Milestone|---                         |4.8.0

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-10-01 10:15:13 UTC ---
I suspect we vectorize much more in 4.8?  Otherwise GCC 4.8  should have
improved this bottleneck (by generating/unrolling less loops, not by
making unrolling faster).