3 ////////////////////////////////////////////////////////////////////
5 // Base class for MIPS instructions, and some support functions
8 //Outputs to decoder.hh
11 using namespace MipsISA;
15 * Base class for all MIPS static instructions.
17 class MipsStaticInst : public StaticInst
22 MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass)
23 : StaticInst(mnem, _machInst, __opClass)
27 /// Print a register name for disassembly given the unique
28 /// dependence tag number (FP or int).
29 void printReg(std::ostream &os, int reg) const;
31 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
36 //Ouputs to decoder.cc
39 void MipsStaticInst::printReg(std::ostream &os, int reg) const
41 if (reg < FP_Base_DepTag) {
42 ccprintf(os, "r%d", reg);
45 ccprintf(os, "f%d", reg - FP_Base_DepTag);
49 std::string MipsStaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const
53 ccprintf(ss, "%-10s ", mnemonic);
56 printReg(ss, _destRegIdx[0]);
61 printReg(ss, _srcRegIdx[0]);
66 printReg(ss, _srcRegIdx[1]);
70 if(mnemonic == "sll" || mnemonic == "sra"){
71 ccprintf(ss,", %d",SA);