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LLVM backend for 6502
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14a6db8bd9
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Evan Cheng 14a6db8bd9 Initial support for register pressure aware scheduling. The register reduction 
scheduler can go into a "vertical mode" (i.e. traversing up the two-address
chain, etc.) when the register pressure is low.
This does seem to reduce the number of spills in the cases I've looked at. But
with x86, it's no guarantee the performance of the code improves.
It can be turned on with -sched-vertically option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28108 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 19:16:39 +00:00
autoconf For PR747: 2006-04-27 07:49:24 +00:00
docs Actually, semantical doesn't appear to be a word. 2006-04-26 21:03:17 +00:00
examples Minor corrections. 2006-03-24 03:11:31 +00:00
include/llvm Remove redundancy and a level of indirection when creating machine operands 2006-05-04 19:14:44 +00:00
lib Initial support for register pressure aware scheduling. The register reduction 2006-05-04 19:16:39 +00:00
projects Have the AutoRegen.sh script prompt the user for the LLVM src and obj 2006-04-18 06:27:47 +00:00
runtime Invert the tests on LLVMGCC_MAJVERS to check for value 4 instead of value 2006-04-07 21:45:23 +00:00
test new testcase that crashes the instcombine pass 2006-05-04 17:33:24 +00:00
tools For PR764: 2006-05-03 17:49:50 +00:00
utils Attempt to get this script working on Darwin. 2006-05-03 18:16:01 +00:00
win32 Keep Visual Studio happy. 2006-05-03 00:28:50 +00:00
Xcode Misc. project changes. html + build config changes supplied by Devang. 2006-04-08 06:04:56 +00:00
.cvsignore Ignore stuff built by "make dist". 2006-04-07 15:55:18 +00:00
configure For PR747: 2006-04-27 07:49:24 +00:00
CREDITS.TXT quick update 2006-04-13 02:05:30 +00:00
LICENSE.TXT Changing domain name 2006-04-20 05:51:53 +00:00
llvm.spec For PR723: 2006-04-07 16:07:37 +00:00
llvm.spec.in For PR723: 2006-04-07 16:07:37 +00:00
Makefile Include the win32 and Xcode directories in the distribution. 2006-04-12 20:53:14 +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 Fix a comment. 2006-04-09 23:39:43 +00:00
Makefile.rules Remove traces of Burg utility now that its gone and not needed. 2006-04-20 18:42:24 +00:00
README.txt

README.txt 

Low Level Virtual Machine (LLVM)
================================

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