[Bug middle-end/51752] trans-mem: publication safety violated

[aldyh at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51752

--- Comment #7 from Aldy Hernandez <aldyh at gcc dot gnu.org> 2012-02-28 
20:08:44 UTC ---
Author: aldyh
Date: Tue Feb 28 20:08:39 2012
New Revision: 184638

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184638
Log:
        PR middle-end/51752
        * gimple.h (gimple_in_transaction): New.
        (gimple_set_in_transaction): New.
        (struct gimple_statement_base): Add in_transaction field.
        * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
        transaction loads.
        (tree_ssa_lim_initialize): Compute transaction bits.
        * tree.h (compute_transaction_bits): Protoize.
        * trans-mem.c (tm_region_init): Use the heap to store BB
        auxilliary data.
        (compute_transaction_bits): New.


Added:
    trunk/gcc/testsuite/gcc.dg/tm/pub-safety-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple.h
    trunk/gcc/trans-mem.c
    trunk/gcc/tree-ssa-loop-im.c