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LLVM backend for 6502
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4bdd2753db
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Chris Lattner 4bdd2753db Fix a miscompilation of: 
long long foo(long long X) {
  return (long long)(signed char)(int)X;
}

Instead of:

_foo:
        extsb r2, r4
        srawi r3, r4, 31
        mr r4, r2
        blr

we now produce:

_foo:
        extsb r4, r4
        srawi r3, r4, 31
        blr

This fixes a miscompilation in ConstantFolding.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30768 91177308-0d34-0410-b5e6-96231b3b80d8
2006-10-06 17:34:12 +00:00
autoconf Fix misleading warning message 2006-10-02 17:23:42 +00:00
docs Update documentaion of node annotation (coloring) in viewGraph. 2006-10-02 12:28:07 +00:00
examples Use llvm-config to determine what to link in 2006-09-04 06:04:03 +00:00
include/llvm add an accessor 2006-10-06 01:16:29 +00:00
lib Fix a miscompilation of: 2006-10-06 17:34:12 +00:00
projects Don't build the runtime library if LLVMGCC is not configured. 2006-10-02 19:10:56 +00:00
runtime Describe and date modifications we made per LGPL requirements. 2006-08-08 14:47:54 +00:00
test fix some bugs affecting functions with no arguments 2006-10-06 17:26:30 +00:00
tools simplify code 2006-09-28 23:24:48 +00:00
utils Fix more static dtor issues 2006-10-04 21:52:35 +00:00
win32 Keep Visual Studio happy. 2006-05-03 00:28:50 +00:00
Xcode Adding new files. 2006-09-07 22:07:57 +00:00
.cvsignore Ignore stuff built by "make dist". 2006-04-07 15:55:18 +00:00
configure fix misleading warning 2006-10-02 17:24:55 +00:00
CREDITS.TXT The list is sorted by name. 2006-08-29 01:42:47 +00:00
LICENSE.TXT burg is gone 2006-09-11 17:28:11 +00:00
llvm.spec.in Minor technical correction in documentation. 2006-08-21 01:58:57 +00:00
Makefile Document build order dependencies. Make sure that llvm-config is built before 2006-09-04 04:27:07 +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 Make the name of the project consistent with that specified in the 2006-08-07 23:23:39 +00:00
Makefile.rules Move CompileCommonOpts to the end of the list so that EXTRA_OPTIONS=-O0 will 2006-09-29 18:47:13 +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.