mirror of
https://github.com/RPCS3/llvm.git
synced 2025-01-13 07:50:50 +00:00
ffbd4879eb
The 'AND' instruction could be used to mask out the lower 32 bits of a register. If this is done inside an address computation we might be able to fold the instruction into the memory instruction itself. and x1, x1, #0xffffffff ---> ldrb x0, [x0, w1, uxtw] ldrb x0, [x0, x1] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218030 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.