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The Octeon cpu from Cavium Networks is mips64r2 based and has an extended instruction set. In order to utilize this with LLVM, a new cpu feature "octeon" and a subtarget feature "cnmips" is added. A small set of new instructions (baddu, dmul, pop, dpop, seq, sne) is also added. LLVM generates dmul, pop and dpop instructions with option -mcpu=octeon or -mattr=+cnmips. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204337 91177308-0d34-0410-b5e6-96231b3b80d8
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 assistance with LLVM, and in particular docs/GettingStarted.rst for getting 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.