diff options
| author | Johnny Chen <johnny.chen@apple.com> | 2011-04-12 17:09:04 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2011-04-12 17:09:04 +0000 |
| commit | 49fdfe3ce5736e8c76cdf512cc0cd5afb3b8f2e6 (patch) | |
| tree | 3d802701bab7a00c6ae832e1872358f014dad8e2 /lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h | |
| parent | 25f492e77858dc5a95fcd7180e73aff47925b668 (diff) | |
Print out a debug message when the reglist fails the sanity check for Thumb Ld/St Multiple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129365 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h b/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h index 480f8bb2bd..b1a389abfd 100644 --- a/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h +++ b/lib/Target/ARM/Disassembler/ThumbDisassemblerCore.h @@ -901,6 +901,10 @@ static bool DisassembleThumb1LdStMul(bool Ld, MCInst &MI, unsigned Opcode, } unsigned RegListBits = slice(insn, 7, 0); + if (BitCount(RegListBits) < 1) { + DEBUG(errs() << "if BitCount(registers) < 1 then UNPREDICTABLE\n"); + return false; + } // Fill the variadic part of reglist. for (unsigned i = 0; i < 8; ++i) |