Robert Lytton 32e8528c33 Add XCore support for ATOMIC_FENCE.
ATOMIC_FENCE is lowered to a compiler barrier which is codegen only. There
is no need to emit an instructions since the XCore provides sequential
consistency.

Original patch by Richard Osborne

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194464 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-12 10:11:26 +00:00
2013-11-12 10:11:26 +00:00
2013-11-12 10:11:26 +00:00
2013-09-27 20:40:40 +00:00

Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
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started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.

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LLVM backend for 6502
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