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Next round of tail call changes. Register used in a tail

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call must not be callee-saved; following x86, add a new
regclass to represent this.  Also fixes a couple of bugs.
Still disabled by default; Thumb doesn't work yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106053 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen
2010-06-15 22:08:33 +00:00
parent 8a3eab9b20
commit 6470a116f1
8 changed files with 110 additions and 23 deletions
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3
utils/TableGen/ARMDecoderEmitter.cpp
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@ -1579,7 +1579,8 @@ bool ARMDecoderEmitter::ARMDEBackend::populateInstruction(
if (Name == "TCRETURNdi" || Name == "TCRETURNdiND" ||
Name == "TCRETURNri" || Name == "TCRETURNriND" ||
Name == "TAILJMPd" || Name == "TAILJMPdND" ||
Name == "TAILJMPr" || Name == "TAILJMPrND")
Name == "TAILJMPr" || Name == "TAILJMPrND" ||
Name == "MOVr_TC")
return false;
// VLDMQ/VSTMQ can be hanlded with the more generic VLDMD/VSTMD.