[Bug tree-optimization/56415] [4.8 Regression] Performance regression after fix for 56273

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56415



--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-21 
10:52:44 UTC ---

Author: rguenth

Date: Thu Feb 21 10:52:39 2013

New Revision: 196200



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196200

Log:

2013-02-21  Richard Biener  <rguent...@suse.de>



    PR tree-optimization/56415

    Revert

    2013-02-11  Richard Biener  <rguent...@suse.de>



    PR tree-optimization/56273

    * tree-vrp.c (simplify_cond_using_ranges): Disable for the

    first VRP run.



    * g++.dg/warn/Warray-bounds-6.C: New testcase.

    * gcc.dg/tree-ssa/pr21559.c: Adjust.

    * gcc.dg/tree-ssa/vrp17.c: Likewise.

    * gcc.dg/tree-ssa/vrp18.c: Likewise.

    * gcc.dg/tree-ssa/vrp23.c: Likewise.

    * gcc.dg/tree-ssa/vrp24.c: Likewise.



Removed:

    trunk/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr21559.c

    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c

    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp18.c

    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp23.c

    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp24.c

    trunk/gcc/tree-vrp.c