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LLVM backend for 6502
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e56d946a38
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Chris Lattner e56d946a38 Fix the CBE's handling of instructions whose result is an i1. Previously, 
we did not truncate the value down to i1 with (x&1).  This caused a problem
when the computation of x was nontrivial, for example, "add i1 1, 1" would 
return 2 instead of 0.

This makes the testcase compile into:

...
  llvm_cbe_t = (((llvm_cbe_r == 0u) + (llvm_cbe_r == 0u))&1);
  llvm_cbe_u = (((unsigned int )(bool )llvm_cbe_t));
...

instead of:

...
  llvm_cbe_t = ((llvm_cbe_r == 0u) + (llvm_cbe_r == 0u));
  llvm_cbe_u = (((unsigned int )(bool )llvm_cbe_t));
...

This fixes a miscompilation of mediabench/adpcm/rawdaudio/rawdaudio and
403.gcc with the CBE, regressions from LLVM 2.2. Tanya, please pull 
this into the release branch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51813 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-31 09:23:55 +00:00
autoconf For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h" 2008-05-29 17:41:17 +00:00
bindings Remove a duplicative binding. Patch by Mahadevan R. 2008-05-19 05:47:10 +00:00
docs IR, bitcode reader, bitcode writer, and asmparser changes to 2008-05-31 00:58:22 +00:00
examples API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 2008-05-16 19:29:10 +00:00
include Factor several methods, including getInversePredicate and 2008-05-31 02:47:54 +00:00
lib Fix the CBE's handling of instructions whose result is an i1. Previously, 2008-05-31 09:23:55 +00:00
projects remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Fix the CBE's handling of instructions whose result is an i1. Previously, 2008-05-31 09:23:55 +00:00
tools Make all help strings start in upper case. 2008-05-30 21:14:10 +00:00
utils Teach the DAGISelEmitter to not compute the variable_ops operand 2008-05-31 02:11:25 +00:00
website Prepare for "core" website. 2007-08-03 05:43:35 +00:00
win32 Fix win32 when no bison is around, PR2331, patch by 'hume'. 2008-05-24 05:11:48 +00:00
Xcode Merge LLVMBuilder and FoldingBuilder, calling 2008-04-13 06:22:09 +00:00
build-for-llvm-top.sh Allow the configure options to be set according to the llvm-top options. 2007-08-31 19:53:42 +00:00
configure Regenerate 2008-05-29 17:41:34 +00:00
CREDITS.TXT merge of use-diet branch to trunk 2008-05-10 08:32:32 +00:00
LICENSE.TXT scoped_ptr.h was removed. 2008-02-09 22:50:06 +00:00
llvm.spec.in * llvm.spec.in: update blurb 2007-07-13 09:48:29 +00:00
Makefile For PR1338: rename include/llvm/ADT/ilist and friends to end with ".h" 2008-05-29 17:41:17 +00:00
Makefile.common remove attributions from the rest of the llvm makefiles. 2007-12-29 20:11:13 +00:00
Makefile.config.in Reverting r48974. See PR2183 for details. 2008-03-31 16:46:23 +00:00
Makefile.rules Revert 51775. 2008-05-30 22:47:19 +00:00
ModuleInfo.txt Update to include clean and install commands. 2007-07-20 20:54:41 +00:00
README.txt test 2007-04-20 20:49:25 +00:00

README.txt 

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