[Bug rtl-optimization/50026] [4.7 Regression] Revision 177575 caused many test failures

[vmakarov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50026

--- Comment #1 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2011-08-09 14:35:27 UTC ---
Author: vmakarov
Date: Tue Aug  9 14:35:21 2011
New Revision: 177599

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177599
Log:
2011-08-09  Vladimir Makarov  <vmakarov@redhat.com>

    PR target/50026
    Revert:
    PR rtl-optimization/49990
    * ira-costs.c (print_allocno_costs, print_pseudo_costs): Don't
    ignore classes which can not change mode.
    (find_costs_and_classes): Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c