diff options
Diffstat (limited to 'llvm/lib/Target/Mips/Disassembler')
| -rw-r--r-- | llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp index 58a857b662a..878bc23dbab 100644 --- a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp +++ b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp @@ -380,6 +380,10 @@ static DecodeStatus DecodeRegListOperand(MCInst &Inst, unsigned Insn, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeRegListOperand16(MCInst &Inst, unsigned Insn, + uint64_t Address, + const void *Decoder); + namespace llvm { extern Target TheMipselTarget, TheMipsTarget, TheMips64Target, TheMips64elTarget; @@ -1609,3 +1613,23 @@ static DecodeStatus DecodeRegListOperand(MCInst &Inst, return MCDisassembler::Success; } + +static DecodeStatus DecodeRegListOperand16(MCInst &Inst, unsigned Insn, + uint64_t Address, + const void *Decoder) { + unsigned Regs[] = {Mips::S0, Mips::S1, Mips::S2, Mips::S3}; + unsigned RegNum; + + unsigned RegLst = fieldFromInstruction(Insn, 4, 2); + // Empty register lists are not allowed. + if (RegLst == 0) + return MCDisassembler::Fail; + + RegNum = RegLst & 0x3; + for (unsigned i = 0; i < RegNum - 1; i++) + Inst.addOperand(MCOperand::CreateReg(Regs[i])); + + Inst.addOperand(MCOperand::CreateReg(Mips::RA)); + + return MCDisassembler::Success; +} |
