diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-01-19 10:01:25 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-01-19 10:01:25 +0000 |
| commit | d8e91e46262bc44006913e6796843909f1ac7bcd (patch) | |
| tree | 7d0c143d9b38190e0fa0180805389da22cd834c5 /lib/Target/Mips/Disassembler/MipsDisassembler.cpp | |
| parent | b7eb8e35e481a74962664b63dfb09483b200209a (diff) | |
Notes
Diffstat (limited to 'lib/Target/Mips/Disassembler/MipsDisassembler.cpp')
| -rw-r--r-- | lib/Target/Mips/Disassembler/MipsDisassembler.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/lib/Target/Mips/Disassembler/MipsDisassembler.cpp index b94afb9520e3..27b27ff1e1e2 100644 --- a/lib/Target/Mips/Disassembler/MipsDisassembler.cpp +++ b/lib/Target/Mips/Disassembler/MipsDisassembler.cpp @@ -538,6 +538,9 @@ static DecodeStatus DecodeMovePRegPair(MCInst &Inst, unsigned RegPair, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeMovePOperands(MCInst &Inst, unsigned Insn, + uint64_t Address, const void *Decoder); + namespace llvm { Target &getTheMipselTarget(); @@ -2450,6 +2453,32 @@ static DecodeStatus DecodeRegListOperand16(MCInst &Inst, unsigned Insn, return MCDisassembler::Success; } +static DecodeStatus DecodeMovePOperands(MCInst &Inst, unsigned Insn, + uint64_t Address, + const void *Decoder) { + unsigned RegPair = fieldFromInstruction(Insn, 7, 3); + if (DecodeMovePRegPair(Inst, RegPair, Address, Decoder) == + MCDisassembler::Fail) + return MCDisassembler::Fail; + + unsigned RegRs; + if (static_cast<const MipsDisassembler*>(Decoder)->hasMips32r6()) + RegRs = fieldFromInstruction(Insn, 0, 2) | + (fieldFromInstruction(Insn, 3, 1) << 2); + else + RegRs = fieldFromInstruction(Insn, 1, 3); + if (DecodeGPRMM16MovePRegisterClass(Inst, RegRs, Address, Decoder) == + MCDisassembler::Fail) + return MCDisassembler::Fail; + + unsigned RegRt = fieldFromInstruction(Insn, 4, 3); + if (DecodeGPRMM16MovePRegisterClass(Inst, RegRt, Address, Decoder) == + MCDisassembler::Fail) + return MCDisassembler::Fail; + + return MCDisassembler::Success; +} + static DecodeStatus DecodeMovePRegPair(MCInst &Inst, unsigned RegPair, uint64_t Address, const void *Decoder) { switch (RegPair) { |