Chris Lattner 2942e9c301 Remove support for ZERO_EXTEND_INREG. This pessimizes code, genering stuff
like this:

        ldah $1,1($31)
        lda $1,-1($1)
        and $0,$1,$24

instead of this:

        zap $0,252,$24

To get this back, the selector should recognize the ISD::AND case where this
happens and emit the appropriate ZAP instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21270 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-13 02:43:40 +00:00
2005-03-15 15:46:23 +00:00
2005-03-23 21:14:33 +00:00
2005-03-16 05:49:58 +00:00
2004-12-24 15:11:23 +00:00
2005-03-17 20:56:22 +00:00
2005-03-22 21:33:19 +00:00
2005-02-24 03:56:32 +00:00
2005-03-11 04:15:18 +00:00

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.
Description
LLVM backend for 6502
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