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LLVM backend for 6502
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Reid Spencer c68c2243dc Fix clearUnusedBits to not depend on "undefined behavior" of >> operator 
when the bit size is equal to the word size. This happens to work out okay
on x86, but might not on other platforms. The change just detects when
there are no bits to clear (because BitWidth is a multiple of the word size)
and returns early.

Also, move some comments from .cpp file into header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34602 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 19:26:01 +00:00
autoconf Add possibility to set memory limit for binaries run via libSystem. This 2007-02-16 19:11:07 +00:00
docs add -enable-eh 2007-02-25 18:50:48 +00:00
examples eliminate vector-related ctors 2007-02-13 06:06:26 +00:00
include Fix clearUnusedBits to not depend on "undefined behavior" of >> operator 2007-02-25 19:26:01 +00:00
lib one important bugfix: PPC32 didn't have both elf and macho support for 2007-02-25 19:20:53 +00:00
projects avoid collision with /usr/bin/sample if this ever gets installed. 2007-02-18 03:03:41 +00:00
runtime crtend is only for llvm-gcc3, remove it. 2007-02-23 19:34:09 +00:00
test verify that double is returned in XMM0 if the function is fastcc. 2007-02-25 09:30:03 +00:00
tools remove use of deprecated apis 2007-02-19 07:41:31 +00:00
utils the lengths of the strings are known, just use memcmp 2007-02-15 19:26:16 +00:00
win32 Unbreak VC++ build. 2007-01-15 20:27:18 +00:00
Xcode Update project 2007-01-29 18:45:08 +00:00
.cvsignore Add llvm.spec, a generated file. 2006-10-18 19:23:56 +00:00
configure Regenerate for getrlimit/setrlimit. 2007-02-16 19:17:20 +00:00
CREDITS.TXT Update 2007-02-15 22:26:28 +00:00
LICENSE.TXT remove these. 2007-02-25 02:28:21 +00:00
llvm.spec.in Minor technical correction in documentation. 2006-08-21 01:58:57 +00:00
Makefile revert r1.68. This breaks 'make install' without doing 'make' first, but 2007-02-21 06:23:20 +00:00
Makefile.common Update comments to reflect new variable names. Patch contributed by 2005-02-14 16:02:19 +00:00
Makefile.config.in For PR739: 2007-01-17 20:24:45 +00:00
Makefile.rules Fix some bugs in module building that broke llvm-stacker project. 2007-02-09 17:09:14 +00:00
README.txt Make the text of this file a little more useful. 2004-09-02 22:49:27 +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 HTML documentation provided in docs/index.html for further
assistance with LLVM.