r181852 - in /trunk/gcc: ChangeLog config/sparc...

Wed Nov 30 15:58:00 GMT 2011

Author: rth
Date: Wed Nov 30 15:58:53 2011
New Revision: 181852

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181852
Log:
sparc: Convert to atomic_exchange.

        * config/sparc/sync.md (I124MODE): New mode iterator.
        (memory_barrier): Remove.
        (atomic_exchangesi): New.
        (swapsi): Rename from *swapsi.
        (atomic_test_and_set<I124MODE>): New.
        (ldstubqi): Rename from *ldstubqi, merge with expander.
        (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
        (sync_lock_test_and_setsi): Remove.
        (sync_lock_test_and_set<I12MODE>): Remove.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sparc/sync.md