[Bug tree-optimization/46590] long compile time with -O2 and many loops

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590

--- Comment #39 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 16 13:48:51 2014
New Revision: 206663

URL: http://gcc.gnu.org/viewcvs?rev=206663&root=gcc&view=rev
Log:
2014-01-16  Richard Biener  <rguenther@suse.de>

    PR rtl-optimization/46590
    * lcm.c (compute_antinout_edge): Use postorder iteration.
    (compute_laterin): Use inverted postorder iteration.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lcm.c