utils/TableGen/X86DisassemblerTables.cpp

297 /// getDecisionType - Determines whether a ModRM decision with 255 entries can
300 /// @param decision - The decision to be compacted.
301 /// @return         - The compactest available representation for the decision.
302 static ModRMDecisionType getDecisionType(ModRMDecision &decision) {
309     if (decision.instructionIDs[index] != decision.instructionIDs[0])
313        (decision.instructionIDs[index] != decision.instructionIDs[0xc0]))
317        (decision.instructionIDs[index] != decision.instructionIDs[0x00]))
321        (decision.instructionIDs[index] != decision.instructionIDs[index&0xf8]))
325        (decision.instructionIDs[index] != decision.instructionIDs[index&0x38]))
345 ///   to a particular decision type.
347 /// @param dt - The decision type.
354       llvm_unreachable("Unknown decision type");
397                                            ModRMDecision &decision) const {
400   ModRMDecisionType dt = getDecisionType(decision);
402   if (dt == MODRM_ONEENTRY && decision.instructionIDs[0] == 0)
419       llvm_unreachable("Unknown decision type");
421       ModRMDecision.push_back(decision.instructionIDs[0]);
424       ModRMDecision.push_back(decision.instructionIDs[0x00]);
425       ModRMDecision.push_back(decision.instructionIDs[0xc0]);
429         ModRMDecision.push_back(decision.instructionIDs[index]);
431         ModRMDecision.push_back(decision.instructionIDs[index]);
435         ModRMDecision.push_back(decision.instructionIDs[index]);
437         ModRMDecision.push_back(decision.instructionIDs[index]);
441         ModRMDecision.push_back(decision.instructionIDs[index]);
471       llvm_unreachable("Unknown decision type");
499                                             OpcodeDecision &decision) const {
511                       decision.modRMDecisions[index]);
528                                              ContextDecision &decision,
542                        decision.opcodeDecisions[index]);
781 void DisassemblerTables::setTableFields(ModRMDecision     &decision,
787       if (decision.instructionIDs[index] == uid)
790       if (decision.instructionIDs[index] != 0) {
794           InstructionSpecifiers[decision.instructionIDs[index]];
820       decision.instructionIDs[index] = uid;
832   ContextDecision &decision = *Tables[type];
840       setTableFields(decision.opcodeDecisions[index].modRMDecisions[opcode],