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| author | Artyom Skrobov <Artyom.Skrobov@arm.com> | 2013-11-08 16:16:30 +0000 |
|---|---|---|
| committer | Artyom Skrobov <Artyom.Skrobov@arm.com> | 2013-11-08 16:16:30 +0000 |
| commit | fa840ba402806d978c18401c6bea1c808607d944 (patch) | |
| tree | 7281ba6ee9459592bac2f4fbcc1a48790ba5d346 /lib/Target/ARM/Disassembler/ARMDisassembler.cpp | |
| parent | 62ab26548fee37422fb90daaac22fc1140be797d (diff) | |
| download | external_llvm-fa840ba402806d978c18401c6bea1c808607d944.zip external_llvm-fa840ba402806d978c18401c6bea1c808607d944.tar.gz external_llvm-fa840ba402806d978c18401c6bea1c808607d944.tar.bz2 | |
[ARM] Handling for coprocessor instructions that are undefined starting from ARMv8 (ARM encodings)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194261 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index cbf1429..9c7988f 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -1363,6 +1363,11 @@ static DecodeStatus DecodeCopMemInstruction(MCInst &Inst, unsigned Insn, break; } + uint64_t featureBits = ((const MCDisassembler*)Decoder)->getSubtargetInfo() + .getFeatureBits(); + if ((featureBits & ARM::HasV8Ops) && (coproc != 14)) + return MCDisassembler::Fail; + Inst.addOperand(MCOperand::CreateImm(coproc)); Inst.addOperand(MCOperand::CreateImm(CRd)); if (!Check(S, DecodeGPRRegisterClass(Inst, Rn, Address, Decoder))) @@ -3814,6 +3819,11 @@ static DecodeStatus DecodeCoprocessor(MCInst &Inst, unsigned Val, if (Val == 0xA || Val == 0xB) return MCDisassembler::Fail; + uint64_t featureBits = ((const MCDisassembler*)Decoder)->getSubtargetInfo() + .getFeatureBits(); + if ((featureBits & ARM::HasV8Ops) && !(Val == 14 || Val == 15)) + return MCDisassembler::Fail; + Inst.addOperand(MCOperand::CreateImm(Val)); return MCDisassembler::Success; } |