diff options
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
| -rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index aa59c98296..fb82945356 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -241,6 +241,14 @@ static DecodeStatus DecodeAddrMode6Operand(MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); static DecodeStatus DecodeVLDInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeVST1Instruction(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); +static DecodeStatus DecodeVST2Instruction(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); +static DecodeStatus DecodeVST3Instruction(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); +static DecodeStatus DecodeVST4Instruction(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); static DecodeStatus DecodeVLD1DupInstruction(MCInst &Inst, unsigned Val, @@ -2450,6 +2458,49 @@ static DecodeStatus DecodeVLDInstruction(MCInst &Inst, unsigned Insn, return S; } +static DecodeStatus DecodeVST1Instruction(MCInst& Inst, unsigned Insn, + uint64_t Addr, const void* Decoder) { + unsigned type = fieldFromInstruction(Insn, 8, 4); + unsigned align = fieldFromInstruction(Insn, 4, 2); + if(type == 7 && (align & 2)) return MCDisassembler::Fail; + if(type == 10 && align == 3) return MCDisassembler::Fail; + if(type == 6 && (align & 2)) return MCDisassembler::Fail; + + return DecodeVSTInstruction(Inst, Insn, Addr, Decoder); +} + +static DecodeStatus DecodeVST2Instruction(MCInst& Inst, unsigned Insn, + uint64_t Addr, const void* Decoder) { + unsigned size = fieldFromInstruction(Insn, 6, 2); + if(size == 3) return MCDisassembler::Fail; + + unsigned type = fieldFromInstruction(Insn, 8, 4); + unsigned align = fieldFromInstruction(Insn, 4, 2); + if(type == 8 && align == 3) return MCDisassembler::Fail; + if(type == 9 && align == 3) return MCDisassembler::Fail; + + return DecodeVSTInstruction(Inst, Insn, Addr, Decoder); +} + +static DecodeStatus DecodeVST3Instruction(MCInst& Inst, unsigned Insn, + uint64_t Addr, const void* Decoder) { + unsigned size = fieldFromInstruction(Insn, 6, 2); + if(size == 3) return MCDisassembler::Fail; + + unsigned align = fieldFromInstruction(Insn, 4, 2); + if(align & 2) return MCDisassembler::Fail; + + return DecodeVSTInstruction(Inst, Insn, Addr, Decoder); +} + +static DecodeStatus DecodeVST4Instruction(MCInst& Inst, unsigned Insn, + uint64_t Addr, const void* Decoder) { + unsigned size = fieldFromInstruction(Insn, 6, 2); + if(size == 3) return MCDisassembler::Fail; + + return DecodeVSTInstruction(Inst, Insn, Addr, Decoder); +} + static DecodeStatus DecodeVSTInstruction(MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder) { DecodeStatus S = MCDisassembler::Success; |