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| author | Owen Anderson <resistor@mac.com> | 2011-08-17 17:44:15 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-08-17 17:44:15 +0000 |
| commit | 83e3f67fb68d497b600da83a62f000fcce7868a9 (patch) | |
| tree | 304ea462b8e700eb92526a43c9c2749341fb9e83 /utils/TableGen/DisassemblerEmitter.cpp | |
| parent | 0e6d230abdbf6ba67a2676c118431a4df8fb15dd (diff) | |
| download | llvm-83e3f67fb68d497b600da83a62f000fcce7868a9.tar.gz llvm-83e3f67fb68d497b600da83a62f000fcce7868a9.tar.bz2 llvm-83e3f67fb68d497b600da83a62f000fcce7868a9.tar.xz | |
Allow the MCDisassembler to return a "soft fail" status code, indicating an instruction that is disassemblable, but invalid. Only used for ARM UNPREDICTABLE instructions at the moment.
Patch by James Molloy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137830 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DisassemblerEmitter.cpp')
| -rw-r--r-- | utils/TableGen/DisassemblerEmitter.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/utils/TableGen/DisassemblerEmitter.cpp b/utils/TableGen/DisassemblerEmitter.cpp index 126925369c..ccf644b00e 100644 --- a/utils/TableGen/DisassemblerEmitter.cpp +++ b/utils/TableGen/DisassemblerEmitter.cpp @@ -128,5 +128,15 @@ void DisassemblerEmitter::run(raw_ostream &OS) { return; } + // ARM and Thumb have a CHECK() macro to deal with DecodeStatuses. + if (Target.getName() == "ARM" || + Target.getName() == "Thumb") { + FixedLenDecoderEmitter(Records, + "CHECK(S, ", ");", + "S", "Fail", + "DecodeStatus S = Success;\n(void)S;").run(OS); + return; + } + FixedLenDecoderEmitter(Records).run(OS); } |