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LLVM backend for 6502
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958b670c34
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Hal Finkel 958b670c34 [PowerPC] Add support for the CMPB instruction 
Newer POWER cores, and the A2, support the cmpb instruction. This instruction
compares its operands, treating each of the 8 bytes in the GPRs separately,
returning a 'mask' result of 0 (for false) or -1 (for true) in each byte.

Code generation support is added, in the form of a PPCISelDAGToDAG
DAG-preprocessing routine, that recognizes patterns close to what the
instruction computes (either exactly, or related by a constant masking
operation), and generates the cmpb instruction (along with any necessary
constant masking operation). This can be expanded if use cases arise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225106 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-03 01:16:37 +00:00
autoconf [multilib] Add support to the autoconf build to substitute 2014-12-29 11:58:17 +00:00
bindings [OCaml] [cmake] Use LLVM_LIBRARY_DIR instead of LLVM_LIBRARY_OUTPUT_INTDIR. 2014-12-30 03:24:07 +00:00
cmake [OCaml] [cmake] Use LLVM_LIBRARY_DIR instead of LLVM_LIBRARY_OUTPUT_INTDIR. 2014-12-30 03:24:07 +00:00
docs Reformat statepoint documentation and fix a couple of typos 2015-01-02 19:46:49 +00:00
examples Once more on the cmake build. nativecodegen->native on the dependencies. 2014-12-08 18:24:06 +00:00
include [PM] Add proper documentation for the ModulePassManager and 2015-01-02 23:34:39 +00:00
lib [PowerPC] Add support for the CMPB instruction 2015-01-03 01:16:37 +00:00
projects [cmake] Use the external project machinery for libcxxabi so that it can 2014-07-25 10:27:40 +00:00
test [PowerPC] Add support for the CMPB instruction 2015-01-03 01:16:37 +00:00
tools [cmake] Teach the llvm-config program to respect LLVM_LIBDIR_SUFFIX. 2014-12-29 11:16:25 +00:00
unittests Revert r225053: Add an ArrayRef upcasting constructor from ArrayRef<U*> -> ArrayRef<T*> where T is a base of U. 2015-01-01 13:01:25 +00:00
utils [X86] Disassembler support for move to/from %rax with a 32-bit memory offset is REX.W and AdSize prefix are both present. 2015-01-03 00:00:20 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Initial version of Go bindings. 2014-10-16 22:48:02 +00:00
CMakeLists.txt [py3] Teach the CMake build to reject Python versions older than 2.7. 2014-12-29 19:36:05 +00:00
CODE_OWNERS.TXT Add myself as SystemZ code owner 2014-12-18 19:27:50 +00:00
configure [multilib] Add support to the autoconf build to substitute 2014-12-29 11:58:17 +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 Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
README.txt [TEST-COMMIT] As per Developer Policy, Added a blank line. 2014-12-06 00:38:39 +00:00

README.txt 

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

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