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| author | Johnny Chen <johnny.chen@apple.com> | 2011-03-24 23:21:14 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2011-03-24 23:21:14 +0000 |
| commit | 1090d7711b145da53089f63336b173941d48d6f2 (patch) | |
| tree | 0c50d9af1d55eb30d59fee47629e7f407c350c51 /utils/TableGen | |
| parent | 439e0c79f54a10cd0950e0d2eefb7ecc5c9647de (diff) | |
| download | external_llvm-1090d7711b145da53089f63336b173941d48d6f2.zip external_llvm-1090d7711b145da53089f63336b173941d48d6f2.tar.gz external_llvm-1090d7711b145da53089f63336b173941d48d6f2.tar.bz2 | |
The ARM disassembler was confused with the 16-bit tSTMIA instruction.
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
Diffstat (limited to 'utils/TableGen')
| -rw-r--r-- | utils/TableGen/ARMDecoderEmitter.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/utils/TableGen/ARMDecoderEmitter.cpp b/utils/TableGen/ARMDecoderEmitter.cpp index b174fa9..728e669 100644 --- a/utils/TableGen/ARMDecoderEmitter.cpp +++ b/utils/TableGen/ARMDecoderEmitter.cpp @@ -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; |