diff options
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp b/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp index e000cab815..cc2469f8c2 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp @@ -2945,6 +2945,9 @@ static bool DisassembleMiscFrm(MCInst &MI, unsigned Opcode, uint32_t insn, // no current handling of optional arguments. Fix here when a better handling // of optional arguments is implemented. if (Opcode == ARM::CPS3p) { + // Let's reject impossible imod values by returning false. + if (slice(insn, 19, 18) == 0 || slice(insn, 19, 18) == 1) + return false; MI.addOperand(MCOperand::CreateImm(slice(insn, 19, 18))); // imod MI.addOperand(MCOperand::CreateImm(slice(insn, 8, 6))); // iflags MI.addOperand(MCOperand::CreateImm(slice(insn, 4, 0))); // mode |