[Bug target/36793] x86-64 does not get __sync_synchronize right

[uros at gcc dot gnu dot org]

------- Comment #9 from uros at gcc dot gnu dot org  2008-11-24 16:57 -------
Subject: Bug 36793

Author: uros
Date: Mon Nov 24 16:55:49 2008
New Revision: 142160

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142160
Log:
        * config/i386/i386.md (UNSPECV_CMPXCHG): Rename from
        UNSPECV_CMPXCHG_[12].
        * config/i386/sync.md: Use UNSPECV_CMPXCHG instead of
        UNSPECV_CMPXCHG_[12].

        PR target/36793
        * config/i386/sync.md (memory_barrier): New expander.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/config/i386/sync.md


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36793