r180816 - in /branches/cxx-mem-model/gcc: Chang...

[rth@gcc.gnu.org]

Author: rth
Date: Thu Nov  3 05:01:36 2011
New Revision: 180816

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180816
Log:
i386: Implement atomic_load/store.

        * config/i386/i386.md (UNSPEC_MOVA): New.
        * config/i386/sync.md (ATOMIC): New mode iterator.
        (atomic_load<ATOMIC>, atomic_store<ATOMIC>): New.
        (atomic_loaddi_fpu, atomic_storedi_fpu, movdi_via_fpu): New.

Modified:
    branches/cxx-mem-model/gcc/ChangeLog.mm
    branches/cxx-mem-model/gcc/config/i386/i386.md
    branches/cxx-mem-model/gcc/config/i386/sync.md