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[Bug rtl-optimization/40761] [4.4/4.5 Regression] IRA memory hog for insanely nested loops



------- Comment #7 from rguenth at gcc dot gnu dot org  2010-03-04 13:25 -------
Subject: Bug 40761

Author: rguenth
Date: Thu Mar  4 13:25:27 2010
New Revision: 157225

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157225
Log:
2010-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40761
        * tree-ssa-pre.c (compute_antic): Walk reverse postorder
        in reverse order.
        (my_rev_post_order_compute): New function.
        (init_pre): Call it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-pre.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40761


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