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LLVM backend for 6502
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e5fb4ad142
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Chandler Carruth e5fb4ad142 [x86] Rearrange the code for v16i16 lowering a bit for clarity and to 
reduce the amount of checking we do here.

The first realization is that only non-crossing cases between 128-bit
lanes are handled by almost the entire function. It makes more sense to
handle the crossing cases first.

THe second is that until we actually are going to generate fancy shared
lowering strategies that use the repeated semantics of the v8i16
lowering, we should waste time checking for repeated masks. It is
simplest to directly test for the entire unpck masks anyways, so we
gained nothing from this.

This also matches the structure of v32i8 more closely.

No functionality changed here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218441 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-25 04:03:22 +00:00
autoconf Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
bindings Reinstate "Nuke the old JIT." 2014-09-02 22:28:02 +00:00
cmake Add CMake check for libatomic. 2014-09-12 11:08:59 +00:00
docs [docs] Fixed a typo in Atomics.rst 2014-09-23 17:35:28 +00:00
examples Add doInitialization/doFinalization to DataLayoutPass. 2014-09-10 21:27:43 +00:00
include llvm-cov: Combine segments that cover the same location 2014-09-25 00:34:18 +00:00
lib [x86] Rearrange the code for v16i16 lowering a bit for clarity and to 2014-09-25 04:03:22 +00:00
projects
test [x86] Implement AVX2 support for v32i8 in the new vector shuffle 2014-09-25 02:52:12 +00:00
tools Flush out enough of llvm-objdump’s SymbolizerSymbolLookUp() for Mach-O files to 2014-09-24 23:08:22 +00:00
unittests Rework r218304, "ExecutionEngineTests: Call llvm_shutdown() on exit for ManagedStatic introduced in r218151." 2014-09-23 14:41:02 +00:00
utils valgrind/x86_64-pc-linux-gnu.supp: Suppress also /bin/bash. 2014-09-24 04:38:20 +00:00
.arcconfig
.clang-format
.clang-tidy Add .clang-tidy configuration file to provide LLVM-optimized defaults for 2014-09-08 13:30:00 +00:00
.gitignore
CMakeLists.txt Enabling LLVM & Clang to be cross-compiled using CMake from a single configuration command line 2014-09-03 23:21:18 +00:00
CODE_OWNERS.TXT Add Tom Stellard's role as 3.5 release manager. 2014-09-12 08:07:31 +00:00
configure Delete support for AuroraUX. 2014-08-14 15:15:09 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in
Makefile.rules Revert my earlier change to add "all" as a dependency to check. In 2014-09-19 18:44:27 +00:00
README.txt

README.txt 

Low Level Virtual Machine (LLVM)
================================

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Please see the documentation provided in docs/ for further
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