[Bug rtl-optimization/47614] [4.6 Regression] cpu2000 benchmark 301.apsi fails with revision 169782

[pthaugen at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47614

--- Comment #16 from Pat Haugen <pthaugen at gcc dot gnu.org> 2011-02-11 
20:52:58 UTC ---
Author: pthaugen
Date: Fri Feb 11 20:52:55 2011
New Revision: 170059

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170059
Log:
    PR rtl-optimization/47614
    * rtl.h (check_for_inc_dec): Declare.
    * dse.c (check_for_inc_dec): Externalize...
    * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
    (reload_cse_simplify_operands): Don't simplify opnds with side effects.

    * testsuite/gfortran.dg/pr47614.f: New.


Added:
    trunk/gcc/testsuite/gfortran.dg/pr47614.f
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dse.c
    trunk/gcc/postreload.c
    trunk/gcc/rtl.h
    trunk/gcc/testsuite/ChangeLog