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LLVM backend for 6502
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Evan Cheng 61230d18d2 Try schedule def + use closer whne Sethi-Ullman numbers are the same. 
e.g.
t1 = op t2, c1
t3 = op t4, c2
and the following instructions are both ready.
t2 = op c3
t4 = op c4

Then schedule t2 = op first.
i.e.
t4 = op c4
t2 = op c3
t1 = op t2, c1
t3 = op t4, c2

This creates more short live intervals which work better with the register
allocator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35089 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-13 23:25:11 +00:00
autoconf Add possibility to set memory limit for binaries run via libSystem. This 2007-02-16 19:11:07 +00:00
docs llvm-gcc 3.4 is dead. 2007-03-06 06:27:34 +00:00
examples Revert last patch. The examples build now. 2007-03-06 17:26:14 +00:00
include Add zextOrCopy() into APInt for convenience. 2007-03-13 06:16:26 +00:00
lib Try schedule def + use closer whne Sethi-Ullman numbers are the same. 2007-03-13 23:25:11 +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 Test support for arrays with non-zero first index. 2007-03-13 15:12:35 +00:00
tools Now LICM is a LoopPass. 2007-03-07 04:41:30 +00:00
utils Refactoring of formal parameter flags. Enable properly use of 2007-03-07 16:25:09 +00:00
win32 Unbreak VC++ build. 2007-03-05 00:00:42 +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 Credit self for Ada front-end. 2007-03-05 09:21:11 +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 correct dependency 2007-02-28 05:10:40 +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)
================================

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Please see the HTML documentation provided in docs/index.html for further
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