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LLVM backend for 6502
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4bd94f7bbe
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Jakob Stoklund Olesen 4bd94f7bbe Fix a bug in the -regalloc=fast handling of exotic two-address instruction with 
multiple defs, like t2LDRSB_POST.

The first def could accidentally steal the physreg that the second, tied def was
required to be allocated to.

Now, the tied use-def is treated more like an early clobber, and the physreg is
reserved before allocating the other defs.

This would never be a problem when the tied def was the only def which is the
usual case.

This fixes MallocBench/gs for thumb2 -O0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109715 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-29 00:52:19 +00:00
autoconf Use a C++ compiler for the atomic builtin check since we'll 2010-07-28 20:26:34 +00:00
bindings Implement the "linker_private_weak" linkage type. This will be used for 2010-07-01 21:55:59 +00:00
cmake
docs re-commit r109220, the compile error has already been fixed 2010-07-26 18:48:07 +00:00
examples Convert some tab stops into spaces. 2010-07-12 08:16:59 +00:00
include Factor out some of the code for updating old SCEVUnknown values, and 2010-07-29 00:17:55 +00:00
lib Fix a bug in the -regalloc=fast handling of exotic two-address instruction with 2010-07-29 00:52:19 +00:00
projects Remove bogus link. 2010-07-16 06:33:36 +00:00
runtime
test Make GlobalValue alignment consistent with load, store, and alloca 2010-07-28 20:56:48 +00:00
tools Use the right gcc tool args for IsARMArchitecture. 2010-07-29 00:52:16 +00:00
unittests Factor out some of the code for updating old SCEVUnknown values, and 2010-07-29 00:17:55 +00:00
utils Fix a warning from gcc-4.0 (from the ppc buildbot). 2010-07-28 18:21:10 +00:00
website
build-for-llvm-top.sh
CMakeLists.txt start straightening out libedis's dependencies and make it fit 2010-07-20 18:25:19 +00:00
configure Regenerate. 2010-07-28 20:26:43 +00:00
CREDITS.TXT long past time I added myself to this, I suppose. 2010-07-19 22:04:28 +00:00
LICENSE.TXT
llvm.spec.in
Makefile Add support for a new Apple-style build target, EmbeddedSim, that builds 2010-07-20 20:44:02 +00:00
Makefile.common
Makefile.config.in typo in comment, regeneration not necessary 2010-07-07 13:58:46 +00:00
Makefile.rules Fix library build messages. 2010-07-26 20:15:47 +00:00
ModuleInfo.txt
README.txt (Hopefully) One last test. 2010-07-27 00:04:55 +00:00

README.txt 

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

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