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LLVM backend for 6502
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a0f5bf306c
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Reid Spencer a0f5bf306c For: memory operations -> stores 
This is the first incremental patch to implement this feature. It adds no
functionality to LLVM but setup up the information needed from targets in
order to implement the optimization correctly. Each target needs to specify
the maximum number of store operations for conversion of the llvm.memset,
llvm.memcpy, and llvm.memmove intrinsics into a sequence of store operations.
The limit needs to be chosen at the threshold of performance for such an
optimization (generally smallish). The target also needs to specify whether
the target can support unaligned stores for multi-byte store operations.
This helps ensure the optimization doesn't generate code that will trap on
an alignment errors.
More patches to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22468 91177308-0d34-0410-b5e6-96231b3b80d8
2005-07-19 04:52:44 +00:00
autoconf Add a parameter to the FIND_STD_PROGRAM macro that allows an alternate name 2005-07-17 05:30:33 +00:00
docs remove some sparc-v9-specific information 2005-07-19 03:37:48 +00:00
examples Get rid of warnings on Alpha 2005-07-13 23:20:24 +00:00
include/llvm For: memory operations -> stores 2005-07-19 04:52:44 +00:00
lib For: memory operations -> stores 2005-07-19 04:52:44 +00:00
projects oops 2005-07-05 16:36:18 +00:00
runtime Remove trailing whitespace 2005-04-21 23:48:37 +00:00
test Regression test for PR#596: Make sure that negation of a minus doesn't 2005-07-14 19:56:03 +00:00
tools Fix PR576. 2005-07-12 01:00:32 +00:00
utils Fix PR595: These error messages should not be looking at CGI.Name, they 2005-07-15 22:43:04 +00:00
win32 Win32 support for Mutex class. 2005-07-13 02:15:18 +00:00
.cvsignore Ignore the configure.out file generated by "make reconfigure" 2005-06-18 23:01:25 +00:00
configure * Correct the AC_DEFINE for LLVM_PATH_GRAPHVIZ to use AC_DEFINE_UNQUOTED so 2005-07-14 05:19:12 +00:00
CREDITS.TXT Improve statement 2005-05-15 21:38:32 +00:00
LICENSE.TXT Remove extraneous colons after program names for consistency 2005-05-12 21:39:01 +00:00
llvm.spec Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
llvm.spec.in Onward to LLVM-1.6 and beyond! 2005-05-18 20:23:20 +00:00
Makefile Make sure the tools get built if no build target is specified. 2005-05-29 00:49:24 +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 Two changes: 2005-04-22 17:14:14 +00:00
Makefile.rules Two dist-check related changes: 2005-05-24 02:33:20 +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,
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LLVM is open source software. You may freely distribute it under the terms of
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Please see the HTML documentation provided in docs/index.html for further
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