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LLVM backend for 6502
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385f7547b9
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Reid Spencer 385f7547b9 1. Add a dump() method for faster debugging. 
2. Change 0 initialization of union to larger component so all is zeroed.
3. Fix the borrow logic in subtraction so it works for > 128 bits.
4. Rewrite fromString to use a simpler but correct algorithm and also to
   not set the bit width contrary to the user's request.
5. Optimize toString a bit by making it only do one Knuth divide per
   iteration instead of two.

With these changes, all arithmetic passes (verified by pari/GP) up to
1024 bits except for certain division cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34463 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 03:55:44 +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 a section on the target datalayout syntax and describe the defaults 2007-02-19 23:54:10 +00:00
examples eliminate vector-related ctors 2007-02-13 06:06:26 +00:00
include Fix memory leak (PR 775). 2007-02-21 02:36:31 +00:00
lib 1. Add a dump() method for faster debugging. 2007-02-21 03:55:44 +00:00
projects avoid collision with /usr/bin/sample if this ever gets installed. 2007-02-18 03:03:41 +00:00
runtime the old trace values pass has been removed, remove its runtime library. 2007-01-07 18:13:48 +00:00
test Added test case for PR1207. 2007-02-19 21:53:59 +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 Welcome 2007. 2007-01-18 21:22:36 +00:00
llvm.spec.in Minor technical correction in documentation. 2006-08-21 01:58:57 +00:00
Makefile Add a show-footprint target to run du a few times to show how much disk 2007-02-05 23:18:58 +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.