[Bug rtl-optimization/59802] excessive compile time in RTL optimizers (loop unswitching, CPROP)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59802

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Jan 15 08:47:30 2014
New Revision: 206624

URL: http://gcc.gnu.org/viewcvs?rev=206624&root=gcc&view=rev
Log:
2014-01-15  Richard Biener  <rguent...@suse.de>

    PR rtl-optimization/59802
    * lcm.c (compute_available): Use inverted postorder to seed
    the initial worklist.

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