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LLVM backend for 6502
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James Molloy fca7f5c585 [ARM64-BE] Implement the lane-twiddling logic at AAPCS boundaries for big endian. 
The AAPCS states that values passed in registers must have a value as though
they had been loaded with "LDR". LDR is equivalent to "LD1.64 vX.1D" - that is,
loading scalars to vector registers and loading 1-element vectors is equivalent.

The logic implemented here is to ensure that at all call boundaries and during
formal argument lowering all vectors are treated as their bitwidth-based floating
point scalar counterpart, which is always one of f64 or f128 (v2i32 -> f64,
v4i32 -> f128 etc). A BITCAST is inserted so that the appropriate REV will be
generated during code generation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208198 91177308-0d34-0410-b5e6-96231b3b80d8
2014-05-07 12:33:41 +00:00
autoconf
bindings [OCaml] Add an ocamlfind package llvm.all_backends. 2014-05-01 21:00:52 +00:00
cmake Disable -Wcomment when building with GCC. 2014-05-06 09:46:06 +00:00
docs [tablegen] Add !listconcat operator with the similar semantics as !strconcat 2014-05-07 10:13:19 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include [tablegen] Add !listconcat operator with the similar semantics as !strconcat 2014-05-07 10:13:19 +00:00
lib [ARM64-BE] Implement the lane-twiddling logic at AAPCS boundaries for big endian. 2014-05-07 12:33:41 +00:00
projects
test [ARM64-BE] Implement the lane-twiddling logic at AAPCS boundaries for big endian. 2014-05-07 12:33:41 +00:00
tools [obj2yaml] Recognize input file format using llvm::object::ObjectFile 2014-05-07 05:18:51 +00:00
unittests Copy the full TailCallKind in CallInst::clone_impl 2014-05-06 20:08:20 +00:00
utils ArrayRef-ize the Feature and Processor tables for SubtargetFeatures. 2014-05-06 20:23:04 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.gitignore
CMakeLists.txt Added Sphinx documentation generation to CMake build system. 2014-04-18 21:45:25 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure
CREDITS.TXT Test commit. 2014-04-10 22:25:51 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules [Build] Add rule to generate fully-expanded .td file 2014-05-06 03:49:45 +00:00
README.txt Trivial test commit. 2014-04-26 19:05:45 +00:00

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.