[Bug rtl-optimization/50380] cc1 hangs eating 100% CPU

[sandra at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50380
--- Comment #5 from sandra at gcc dot gnu.org 2011-12-19 20:29:27 UTC ---
Author: sandra
Date: Mon Dec 19 20:29:21 2011
New Revision: 182498

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182498
Log:
2011-12-19  Sandra Loosemore  <san...@codesourcery.com>
        Tom de Vries <t...@codesourcery.com>

    PR rtl-opt/50380

    gcc/
    * cse.c (find_comparison_args): Detect fixed point and
    bail early.

    gcc/testsuite/
    * gcc.c-torture/compile/pr50380.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr50380.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cse.c
    trunk/gcc/testsuite/ChangeLog