[Bug target/49349] gfortran.dg/char_result_3.f90 fails with -O3

[amonakov at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49349

--- Comment #3 from Alexander Monakov <amonakov at gcc dot gnu.org> 2011-06-15 08:08:32 UTC ---
Author: amonakov
Date: Wed Jun 15 08:08:27 2011
New Revision: 175075

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175075
Log:
    PR target/49349
    * sel-sched.c (find_place_for_bookkeeping): Add new parameter
    (fence_to_rewind).  Use it to notice when bookkeeping will be placed
    above a fence.  Update comments.
    (generate_bookkeeping_insn): Rewind fence when bookkeeping code is
    placed just above it.  Do not allow NULL place_to_insert.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched.c