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The ARM disassembler was confused with the 16-bit tSTMIA instruction.

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According to A8.6.189 STM/STMIA/STMEA (Encoding T1), there's only tSTMIA_UPD available.
Ignore tSTMIA for the decoder emitter and add a test case for that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128246 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Johnny Chen
2011-03-24 23:21:14 +00:00
parent 439e0c79f5
commit 1090d7711b
2 changed files with 8 additions and 0 deletions
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5
utils/TableGen/ARMDecoderEmitter.cpp
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@@ -1615,6 +1615,11 @@ 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;
// On Darwin R9 is call-clobbered. Ignore the non-Darwin counterparts.
if (Name == "tBL" || Name == "tBLXi" || Name == "tBLXr")
return false;