forked from OSchip/llvm-project
0eae85fb1f
This regards how mips16 is viewed. It's not really a target type but there has always been a target for it in the td files. It's more properly -mcpu=mips32 -mattr=+mips16 . This is how clang treats it but we have always had the -mcpu=mips16 which I probably should delete now but it will require updating all the .ll test cases for mips16. In this case it changed how we decide if we have a count bits instruction and whether instruction lowering should then expand ctlz. Now that we have dual mode compilation, -mattr=+mips16 really just indicates the inital processor mode that we are compiling for. (It is also possible to have -mcpu=64 -mattr=+mips16 but as far as I know, nobody has even built such a processor, though there is an architecture manual for this). llvm-svn: 188586 |
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| tools | ||
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README.txt
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.