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Diffstat (limited to 'contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
-rw-r--r--contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp
index db9fb0e..f1f968e 100644
--- a/contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp
+++ b/contrib/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp
@@ -1516,6 +1516,10 @@ static DecodeStatus DecodeSystemPStateInstruction(llvm::MCInst &Inst,
uint64_t pstate_field = (op1 << 3) | op2;
+ if ((pstate_field == AArch64PState::PAN ||
+ pstate_field == AArch64PState::UAO) && crm > 1)
+ return Fail;
+
Inst.addOperand(MCOperand::createImm(pstate_field));
Inst.addOperand(MCOperand::createImm(crm));
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