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LLVM backend for 6502
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65bf80e2b7
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Jakob Stoklund Olesen 65bf80e2b7 Add missing Rfalse operand to the predicated pseudo-instructions. 
When predicating this instruction:

  Rd = ADD Rn, Rm

We need an extra operand to represent the value given to Rd when the
predicate is false:

  Rd = ADDCC Rfalse, Rn, Rm, pred

The Rd and Rfalse operands are different registers while in SSA form.
Rfalse is tied to Rd to make sure they get the same register during
register allocation.

Previously, Rd and Rn were tied, but that is not required.

Compare to MOVCC:

  Rd = MOVCC Rfalse, Rtrue, pred

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161955 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-15 16:17:24 +00:00
autoconf [configure] Add a --enable-keep-symbols configure flag. 2012-08-14 18:14:20 +00:00
bindings Remove tabs. 2012-07-19 00:23:13 +00:00
cmake revert my previous patch 2012-08-08 18:04:45 +00:00
docs Remove references to compression in llvm-ar. It has been a long time since we 2012-08-10 01:57:52 +00:00
examples Move llvm/Support/IRBuilder.h -> llvm/IRBuilder.h 2012-06-29 12:38:19 +00:00
include Set the branch probability of branching to the 'normal' destination of an invoke 2012-08-15 12:22:35 +00:00
lib Add missing Rfalse operand to the predicated pseudo-instructions. 2012-08-15 16:17:24 +00:00
projects Fix a typo (the the => the) 2012-07-23 08:51:15 +00:00
runtime Free the allocated filename. Found by clang static analyzer. 2012-06-15 09:11:47 +00:00
test fix infinite loop in instcombine with more than 4GB memcpy 2012-08-15 03:49:59 +00:00
tools Remove references to compression in llvm-ar. It has been a long time since we 2012-08-10 01:57:52 +00:00
unittests Fix a problem with APFloat::roundToIntegral where it would return incorrect results for negative inputs to trunc. Add unit tests to verify this behavior. 2012-08-15 05:39:46 +00:00
utils Fix a const violation in the generated disassembler. 2012-08-15 10:26:44 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Support for experimental targets 2012-08-09 01:13:59 +00:00
CODE_OWNERS.TXT Add the list of code owners to the top level of the LLVM source tree to 2012-07-26 08:04:09 +00:00
configure Update configure. 2012-08-14 18:14:22 +00:00
CREDITS.TXT Alphabetize. 2012-06-19 23:47:58 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile Fix the make update target to work even when sub repo repositories are ignored. 2012-08-14 18:33:50 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in [configure] Add a --enable-keep-symbols configure flag. 2012-08-14 18:14:20 +00:00
Makefile.rules Add a configure flag for enabling -Werror on the command line 2012-08-03 19:58:20 +00:00
README.txt test commit 2012-07-11 17:34:12 +00:00

README.txt 

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

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