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LLVM backend for 6502
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Chris Lattner 67f453aae7 Finish implementing a readme entry: when inserting an i64 variable 
into a vector of zeros or undef, and when the top part is obviously
zero, we can just use movd + shuffle.  This allows us to compile
vec_set-B.ll into:

_test3:
	movl	$1234567, %eax
	andl	4(%esp), %eax
	movd	%eax, %xmm0
	ret

instead of:

_test3:
	subl	$28, %esp
	movl	$1234567, %eax
	andl	32(%esp), %eax
	movl	%eax, (%esp)
	movl	$0, 4(%esp)
	movq	(%esp), %xmm0
	addl	$28, %esp
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48090 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-09 05:42:06 +00:00
autoconf Prefer to use ocamlc.opt to ocamlc and soforth. 2008-03-07 18:19:47 +00:00
bindings Cleanup some comments in the OCaml bindings. 2008-03-07 19:13:06 +00:00
docs update to document new lto API 2008-02-29 19:34:52 +00:00
examples remove attributions from examples. 2007-12-29 20:37:57 +00:00
include Update the block cloner which fixes bugpoint on code using unwind_to (phew!) 2008-03-09 05:24:34 +00:00
lib Finish implementing a readme entry: when inserting an i64 variable 2008-03-09 05:42:06 +00:00
projects remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Finish implementing a readme entry: when inserting an i64 variable 2008-03-09 05:42:06 +00:00
tools only extract main if the user didn't specify anything to extract 2008-03-07 20:10:54 +00:00
utils This patch fixes a problem encountered by the CellSPU backend where variants 2008-03-05 17:49:05 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Update vcproj file. 2008-03-05 22:30:39 +00:00
Xcode Rename CFEBuildInstrs.html to GCCFEBuildInstrs.html. 2008-02-14 17:53:22 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
configure Regenerate. 2008-03-07 18:20:01 +00:00
CREDITS.TXT Update credits. 2007-12-11 09:32:07 +00:00
LICENSE.TXT scoped_ptr.h was removed. 2008-02-09 22:50:06 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile Run 'svn info' in the C locale. Also appropriately escape spaces and ? for gawk in darwin. 2008-02-28 18:46:56 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in improve compatibility with mingw, patch by Alain Frisch 2008-01-15 22:50:50 +00:00
Makefile.rules Remove inappropriate whitespace, change CVS to SVN where it makes sense. 2008-02-27 13:34:15 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test 2007-04-20 20:49:25 +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.