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Diffstat (limited to 'llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp')
-rw-r--r--llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp b/llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp
index d14e3a86f8f..92eabcf2b4e 100644
--- a/llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp
+++ b/llvm/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp
@@ -1512,7 +1512,10 @@ static DecodeStatus DecodeTestAndBranch(llvm::MCInst &Inst, uint32_t insn,
if (dst & (1 << (14 - 1)))
dst |= ~((1LL << 14) - 1);
- DecodeGPR64RegisterClass(Inst, Rt, Addr, Decoder);
+ if (fieldFromInstruction(insn, 31, 1) == 0)
+ DecodeGPR32RegisterClass(Inst, Rt, Addr, Decoder);
+ else
+ DecodeGPR64RegisterClass(Inst, Rt, Addr, Decoder);
Inst.addOperand(MCOperand::CreateImm(bit));
if (!Dis->tryAddingSymbolicOperand(Inst, dst << 2, Addr, true, 0, 4))
Inst.addOperand(MCOperand::CreateImm(dst));
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