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Revamp our handling of tLDMIA[_UPD] and tSTMIA[_UPD] to avoid having multiple instructions with the same encoding. This resolves another conflict when bringing up the new-style disassembler.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2011-07-18 23:25:34 +00:00
parent c8c3acfea4
commit 565a036697
4 changed files with 40 additions and 17 deletions
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5
utils/TableGen/ARMDecoderEmitter.cpp
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@@ -1614,11 +1614,6 @@ ARMDEBackend::populateInstruction(const CodeGenInstruction &CGI,
if (!thumbInstruction(Form))
return false;
// A8.6.189 STM / STMIA / STMEA -- Encoding T1
// There's only STMIA_UPD for Thumb1.
if (Name == "tSTMIA")
return false;
// A8.6.25 BX. Use the generic tBX_Rm, ignore tBX_RET and tBX_RET_vararg.
if (Name == "tBX_RET" || Name == "tBX_RET_vararg")
return false;