sparc: recover autogen code in arch/Sparc/SparcGenDisassemblerTables.inc
This commit is contained in:
Nguyen Anh Quynh
parent
bb0744df5d
commit
abffe02a46
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@ -1934,83 +1934,85 @@ static DecodeStatus fname(DecodeStatus S, unsigned Idx, InsnType insn, MCInst *M
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} \
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}
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#define DecodeInstruction(fname, fieldname, decoder, InsnType) \
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static DecodeStatus fname(uint8_t DecodeTable[], MCInst *MI, \
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InsnType insn, uint64_t Address, MCRegisterInfo *MRI, int feature) \
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{ \
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uint64_t Bits = getFeatureBits(feature); \
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uint8_t *Ptr = DecodeTable; \
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uint32_t CurFieldValue = 0, ExpectedValue; \
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DecodeStatus S = MCDisassembler_Success; \
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unsigned Start, Len, NumToSkip, PIdx, Opc, DecodeIdx; \
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InsnType Val, FieldValue, PositiveMask, NegativeMask; \
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bool Pred, Fail; \
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for (;;) { \
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switch (*Ptr) { \
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default: \
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return MCDisassembler_Fail; \
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case MCD_OPC_ExtractField: { \
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Start = *++Ptr; \
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Len = *++Ptr; \
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++Ptr; \
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CurFieldValue = fieldname(insn, Start, Len); \
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break; \
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} \
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case MCD_OPC_FilterValue: { \
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Val = (InsnType)decodeULEB128(++Ptr, &Len); \
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Ptr += Len; \
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NumToSkip = *Ptr++; \
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NumToSkip |= (*Ptr++) << 8; \
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if (Val != CurFieldValue) \
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Ptr += NumToSkip; \
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break; \
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} \
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case MCD_OPC_CheckField: { \
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Start = *++Ptr; \
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Len = *++Ptr; \
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FieldValue = fieldname(insn, Start, Len); \
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ExpectedValue = (uint32_t)decodeULEB128(++Ptr, &Len); \
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Ptr += Len; \
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NumToSkip = *Ptr++; \
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NumToSkip |= (*Ptr++) << 8; \
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if (ExpectedValue != FieldValue) \
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Ptr += NumToSkip; \
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break; \
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} \
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case MCD_OPC_CheckPredicate: { \
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PIdx = decodeULEB128(++Ptr, &Len); \
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Ptr += Len; \
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NumToSkip = *Ptr++; \
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NumToSkip |= (*Ptr++) << 8; \
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Pred = checkDecoderPredicate(PIdx, Bits); \
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if (!Pred) \
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Ptr += NumToSkip; \
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(void)Pred; \
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break; \
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} \
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case MCD_OPC_Decode: { \
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Opc = (unsigned)decodeULEB128(++Ptr, &Len); \
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Ptr += Len; \
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DecodeIdx = (unsigned)decodeULEB128(Ptr, &Len); \
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Ptr += Len; \
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MCInst_setOpcode(MI, Opc); \
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return decoder(S, DecodeIdx, insn, MI, Address, MRI); \
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} \
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case MCD_OPC_SoftFail: { \
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PositiveMask = (InsnType)decodeULEB128(++Ptr, &Len); \
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Ptr += Len; \
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NegativeMask = (InsnType)decodeULEB128(Ptr, &Len); \
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Ptr += Len; \
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Fail = (insn & PositiveMask) || (~insn & NegativeMask); \
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if (Fail) \
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S = MCDisassembler_SoftFail; \
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break; \
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} \
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case MCD_OPC_Fail: { \
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return MCDisassembler_Fail; \
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} \
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} \
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} \
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}
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FieldFromInstruction(fieldFromInstruction_4, uint32_t)
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DecodeToMCInst(decodeToMCInst_4, fieldFromInstruction_4, uint32_t)
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//DecodeInstruction(decodeInstruction_4, fieldFromInstruction_4, decodeToMCInst_4, uint32_t)
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static DecodeStatus decodeInstruction_4(uint8_t DecodeTable[], MCInst *MI,
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uint32_t insn, uint64_t Address, MCRegisterInfo *MRI, int feature)
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{
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uint64_t Bits = getFeatureBits(feature);
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uint8_t *Ptr = DecodeTable;
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uint32_t CurFieldValue = 0, ExpectedValue;
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DecodeStatus S = MCDisassembler_Success;
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unsigned Start, Len, NumToSkip, PIdx, Opc, DecodeIdx;
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uint32_t Val, FieldValue, PositiveMask, NegativeMask;
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bool Pred, Fail;
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for (;;) {
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switch (*Ptr) {
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default:
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return MCDisassembler_Fail;
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case MCD_OPC_ExtractField: {
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Start = *++Ptr;
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Len = *++Ptr;
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++Ptr;
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CurFieldValue = fieldFromInstruction_4(insn, Start, Len);
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break;
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}
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case MCD_OPC_FilterValue: {
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Val = (uint32_t)decodeULEB128(++Ptr, &Len);
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Ptr += Len;
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NumToSkip = *Ptr++;
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NumToSkip |= (*Ptr++) << 8;
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if (Val != CurFieldValue)
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Ptr += NumToSkip;
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break;
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}
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case MCD_OPC_CheckField: {
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Start = *++Ptr;
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Len = *++Ptr;
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FieldValue = fieldFromInstruction_4(insn, Start, Len);
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ExpectedValue = (uint32_t)decodeULEB128(++Ptr, &Len);
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Ptr += Len;
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NumToSkip = *Ptr++;
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NumToSkip |= (*Ptr++) << 8;
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if (ExpectedValue != FieldValue)
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Ptr += NumToSkip;
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break;
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}
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case MCD_OPC_CheckPredicate: {
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PIdx = decodeULEB128(++Ptr, &Len);
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Ptr += Len;
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NumToSkip = *Ptr++;
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NumToSkip |= (*Ptr++) << 8;
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Pred = checkDecoderPredicate(PIdx, Bits);
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if (!Pred)
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Ptr += NumToSkip;
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(void)Pred;
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break;
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}
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case MCD_OPC_Decode: {
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Opc = (unsigned)decodeULEB128(++Ptr, &Len);
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Ptr += Len;
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DecodeIdx = (unsigned)decodeULEB128(Ptr, &Len);
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Ptr += Len;
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MCInst_setOpcode(MI, Opc);
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return decodeToMCInst_4(S, DecodeIdx, insn, MI, Address, MRI);
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}
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case MCD_OPC_SoftFail: {
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PositiveMask = (uint32_t)decodeULEB128(++Ptr, &Len);
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Ptr += Len;
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NegativeMask = (uint32_t)decodeULEB128(Ptr, &Len);
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Ptr += Len;
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Fail = (insn & PositiveMask) || (~insn & NegativeMask);
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if (Fail)
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S = MCDisassembler_SoftFail;
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break;
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}
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case MCD_OPC_Fail: {
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return MCDisassembler_Fail;
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}
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}
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}
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}
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DecodeInstruction(decodeInstruction_4, fieldFromInstruction_4, decodeToMCInst_4, uint32_t)
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