diff options
| -rw-r--r-- | llvm/utils/TableGen/X86RecognizableInstr.cpp | 123 |
1 files changed, 54 insertions, 69 deletions
diff --git a/llvm/utils/TableGen/X86RecognizableInstr.cpp b/llvm/utils/TableGen/X86RecognizableInstr.cpp index e223e859f6f..6419d875969 100644 --- a/llvm/utils/TableGen/X86RecognizableInstr.cpp +++ b/llvm/utils/TableGen/X86RecognizableInstr.cpp @@ -702,79 +702,64 @@ void RecognizableInstr::emitDecodePath(DisassemblerTables &tables) const { case X86Local::MRM_##from: llvm::Optional<OpcodeType> opcodeType; - - ModRMFilter* filter = nullptr; - uint8_t opcodeToSet = 0; - switch (OpMap) { default: llvm_unreachable("Invalid map!"); - case X86Local::OB: - case X86Local::TB: - case X86Local::T8: - case X86Local::TA: - case X86Local::XOP8: - case X86Local::XOP9: - case X86Local::XOPA: - case X86Local::ThreeDNow: - switch (OpMap) { - default: llvm_unreachable("Unexpected map!"); - case X86Local::OB: opcodeType = ONEBYTE; break; - case X86Local::TB: opcodeType = TWOBYTE; break; - case X86Local::T8: opcodeType = THREEBYTE_38; break; - case X86Local::TA: opcodeType = THREEBYTE_3A; break; - case X86Local::XOP8: opcodeType = XOP8_MAP; break; - case X86Local::XOP9: opcodeType = XOP9_MAP; break; - case X86Local::XOPA: opcodeType = XOPA_MAP; break; - case X86Local::ThreeDNow: opcodeType = TWOBYTE; break; - } - - switch (Form) { - default: llvm_unreachable("Invalid form!"); - case X86Local::Pseudo: llvm_unreachable("Pseudo should not be emitted!"); - case X86Local::RawFrm: - case X86Local::AddRegFrm: - case X86Local::RawFrmMemOffs: - case X86Local::RawFrmSrc: - case X86Local::RawFrmDst: - case X86Local::RawFrmDstSrc: - case X86Local::RawFrmImm8: - case X86Local::RawFrmImm16: - filter = new DumbFilter(); - break; - case X86Local::MRMDestReg: - case X86Local::MRMSrcReg: - case X86Local::MRMSrcReg4VOp3: - case X86Local::MRMSrcRegOp4: - case X86Local::MRMXr: - filter = new ModFilter(true); - break; - case X86Local::MRMDestMem: - case X86Local::MRMSrcMem: - case X86Local::MRMSrcMem4VOp3: - case X86Local::MRMSrcMemOp4: - case X86Local::MRMXm: - filter = new ModFilter(false); - break; - case X86Local::MRM0r: case X86Local::MRM1r: - case X86Local::MRM2r: case X86Local::MRM3r: - case X86Local::MRM4r: case X86Local::MRM5r: - case X86Local::MRM6r: case X86Local::MRM7r: - filter = new ExtendedFilter(true, Form - X86Local::MRM0r); - break; - case X86Local::MRM0m: case X86Local::MRM1m: - case X86Local::MRM2m: case X86Local::MRM3m: - case X86Local::MRM4m: case X86Local::MRM5m: - case X86Local::MRM6m: case X86Local::MRM7m: - filter = new ExtendedFilter(false, Form - X86Local::MRM0m); - break; - X86_INSTR_MRM_MAPPING - filter = new ExactFilter(0xC0 + Form - X86Local::MRM_C0); \ - break; - } // switch (Form) + case X86Local::OB: opcodeType = ONEBYTE; break; + case X86Local::TB: opcodeType = TWOBYTE; break; + case X86Local::T8: opcodeType = THREEBYTE_38; break; + case X86Local::TA: opcodeType = THREEBYTE_3A; break; + case X86Local::XOP8: opcodeType = XOP8_MAP; break; + case X86Local::XOP9: opcodeType = XOP9_MAP; break; + case X86Local::XOPA: opcodeType = XOPA_MAP; break; + case X86Local::ThreeDNow: opcodeType = TWOBYTE; break; + } - opcodeToSet = Opcode; + ModRMFilter *filter = nullptr; + switch (Form) { + default: llvm_unreachable("Invalid form!"); + case X86Local::Pseudo: llvm_unreachable("Pseudo should not be emitted!"); + case X86Local::RawFrm: + case X86Local::AddRegFrm: + case X86Local::RawFrmMemOffs: + case X86Local::RawFrmSrc: + case X86Local::RawFrmDst: + case X86Local::RawFrmDstSrc: + case X86Local::RawFrmImm8: + case X86Local::RawFrmImm16: + filter = new DumbFilter(); + break; + case X86Local::MRMDestReg: + case X86Local::MRMSrcReg: + case X86Local::MRMSrcReg4VOp3: + case X86Local::MRMSrcRegOp4: + case X86Local::MRMXr: + filter = new ModFilter(true); + break; + case X86Local::MRMDestMem: + case X86Local::MRMSrcMem: + case X86Local::MRMSrcMem4VOp3: + case X86Local::MRMSrcMemOp4: + case X86Local::MRMXm: + filter = new ModFilter(false); break; - } // switch (OpMap) + case X86Local::MRM0r: case X86Local::MRM1r: + case X86Local::MRM2r: case X86Local::MRM3r: + case X86Local::MRM4r: case X86Local::MRM5r: + case X86Local::MRM6r: case X86Local::MRM7r: + filter = new ExtendedFilter(true, Form - X86Local::MRM0r); + break; + case X86Local::MRM0m: case X86Local::MRM1m: + case X86Local::MRM2m: case X86Local::MRM3m: + case X86Local::MRM4m: case X86Local::MRM5m: + case X86Local::MRM6m: case X86Local::MRM7m: + filter = new ExtendedFilter(false, Form - X86Local::MRM0m); + break; + X86_INSTR_MRM_MAPPING + filter = new ExactFilter(0xC0 + Form - X86Local::MRM_C0); \ + break; + } // switch (Form) + + uint8_t opcodeToSet = Opcode; unsigned AddressSize = 0; switch (AdSize) { |
