1// -*- mode:c++ -*-
2
3////////////////////////////////////////////////////////////////////
4//
5// Base class for MIPS instructions, and some support functions
6//
7
8//Outputs to decoder.hh

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13
14 /**
15 * Base class for all MIPS static instructions.
16 */
17 class MipsStaticInst : public StaticInst
18 {
19 protected:
20
21 /// Make MipsISA register dependence tags directly visible in
22 /// this class and derived classes. Maybe these should really
23 /// live here and not in the MipsISA namespace.
24 /*enum DependenceTags {
25 FP_Base_DepTag = MipsISA::FP_Base_DepTag,
26 Fpcr_DepTag = MipsISA::Fpcr_DepTag,
27 Uniq_DepTag = MipsISA::Uniq_DepTag,
28 IPR_Base_DepTag = MipsISA::IPR_Base_DepTag
29 };*/
30
31 // Constructor
32 MipsStaticInst(const char *mnem, MachInst _machInst, OpClass __opClass)
33 : StaticInst(mnem, _machInst, __opClass)
34 {
35 }
36
37 /// Print a register name for disassembly given the unique
38 /// dependence tag number (FP or int).

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62
63 ccprintf(ss, "%-10s ", mnemonic);
64
65 if(_numDestRegs > 0){
66 printReg(ss, _destRegIdx[0]);
67 }
68
69 if(_numSrcRegs > 0) {
70 ss << ",";
71 printReg(ss, _srcRegIdx[0]);
72 }
73
74 if(_numSrcRegs > 1) {
75 ss << ",";
76 printReg(ss, _srcRegIdx[1]);
77 }
78
79
80 if(mnemonic == "sll" || mnemonic == "sra"){
81 ccprintf(ss,", %d",SA);
82 }
83
84 return ss.str();
85 }
86
87}};
88