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Docs: fix grammar error in description 

llvm-svn: 210904
This commit is contained in:
Tim Northover 2014-06-13 14:24:16 +00:00
parent 420a216817
commit 1dcc9f90ed
1 changed files with 4 additions and 4 deletions
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8
llvm/docs/LangRef.rst
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@ -5083,10 +5083,10 @@ to modify the number or order of execution of this ``cmpxchg`` with
other :ref:`volatile operations <volatile>`.
The success and failure :ref:`ordering <ordering>` arguments specify how this
``cmpxchg`` synchronizes with other atomic operations. The both ordering
parameters must be at least ``monotonic``, the ordering constraint on failure
must be no stronger than that on success, and the failure ordering cannot be
either ``release`` or ``acq_rel``.
``cmpxchg`` synchronizes with other atomic operations. Both ordering parameters
must be at least ``monotonic``, the ordering constraint on failure must be no
stronger than that on success, and the failure ordering cannot be either
``release`` or ``acq_rel``.
The optional "``singlethread``" argument declares that the ``cmpxchg``
is only atomic with respect to code (usually signal handlers) running in