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LLVM backend for 6502
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c577e71bf5
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Chandler Carruth c577e71bf5 [x86] Make the x86 PACKSSWB, PACKSSDW, PACKUSWB, and PACKUSDW 
instructions available as synthetic SDNodes PACKSS and PACKUS that will
select to the correct instruction variants based on the return type.
This allows us to use these rather important instructions when lowering
vector shuffles.

Also moves the relevant instruction definitions to be split out from
the fully generic multiclasses to allow them to match these new SDNodes
in the same way that the UNPCK instructions do.

No functionality should actually be changed here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211332 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-20 01:05:28 +00:00
autoconf Remove path_tclsh.m4. 2014-06-02 12:54:32 +00:00
bindings [OCaml] Unbreak Llvm_target.TargetMachine.set_verbose_asm 2014-06-09 17:34:34 +00:00
cmake Remove clang-specific libxml2 check from CMake 2014-06-06 05:08:42 +00:00
docs Remove support for LLVM runtime multi-threading. 2014-06-19 18:18:23 +00:00
examples Try to fix the msvc build. 2014-04-29 23:37:02 +00:00
include Don't build switch lookup tables for dllimport or TLS variables 2014-06-20 00:38:12 +00:00
lib [x86] Make the x86 PACKSSWB, PACKSSDW, PACKUSWB, and PACKUSDW 2014-06-20 01:05:28 +00:00
projects Remove projects/sample. 2014-03-12 22:40:22 +00:00
test Don't build switch lookup tables for dllimport or TLS variables 2014-06-20 00:38:12 +00:00
tools Added the -m option as an alias for -format=darwin to llvm-nm and llvm-size 2014-06-20 00:04:16 +00:00
unittests Revert "Add StringMap::insert(pair) consistent with the standard associative container concept." 2014-06-20 00:23:03 +00:00
utils Remove bogus configure check 2014-06-19 19:31:11 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.gitignore Remove projects/sample. 2014-03-12 22:40:22 +00:00
CMakeLists.txt Delete trailing whitespace. 2014-06-12 21:27:03 +00:00
CODE_OWNERS.TXT ARM Linux support 2014-04-02 23:03:28 +00:00
configure Touch configure to force clang's config.h.in reconfiguration on the build servers 2014-06-06 10:36:38 +00:00
CREDITS.TXT Update Credits. 2014-05-29 19:59:58 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add a --enable-clang-plugin-support option to configure. 2014-03-10 16:58:35 +00:00
Makefile.rules Add the coverage cflags to the link step as well to make sure 2014-06-17 23:27:32 +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.