[Bug rtl-optimization/49429] [4.7 Regression] dse.c change (r175063) causes execution failures

[eraman at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49429

--- Comment #16 from eraman at gcc dot gnu.org 2011-06-24 17:10:23 UTC ---
Author: eraman
Date: Fri Jun 24 17:10:18 2011
New Revision: 175384

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175384
Log:
2011-06-24  Easwaran Raman  <eraman@google.com>

      PR rtl-optimization/49429
      PR target/49454
      * expr.c (emit_block_move_hints):  Mark MEM_EXPR(x) and
      MEM_EXPR(y) addressable if emit_block_move_via_libcall is
      used to copy y into x.
      * calls.c (initialize_argument_information): Mark
      an argument addressable if it is passed by invisible reference.
      (emit_library_call_value_1): Mark  MEM_EXPR (val) addressable
      if it is passed by reference.



Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/calls.c
    trunk/gcc/expr.c