[Bug middle-end/54146] Very slow compile with attribute((flatten))

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146

--- Comment #44 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-08-14 
12:38:41 UTC ---
Author: rguenth
Date: Tue Aug 14 12:38:32 2012
New Revision: 190382

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190382
Log:
2012-08-14  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/54146
    * tree-ssa-pre.c (do_regular_insertion): Use a VEC
    indexed by pred edge index for avail.
    (do_partial_partial_insertion): Likewise.
    (insert_into_preds_of_block): Adjust.

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