public override SparcInstruction Decode(uint wInstr, SparcDisassembler dasm)
{
uint i = ((wInstr >> 25) & 0xF) + offset;
SparcInstruction instr = branchOps[i].Decode(wInstr, dasm);
instr.InstructionClass |= ((wInstr & (1u << 29)) != 0) ? InstrClass.Annul : 0;
return(instr);
}
public SparcRewriter(SparcArchitecture arch, IEnumerator <SparcInstruction> instrs, SparcProcessorState state, IStorageBinder binder, IRewriterHost host)
{
this.arch = arch;
this.binder = binder;
this.host = host;
this.dasm = new LookaheadEnumerator <SparcInstruction>(instrs);
this.instrCur = null !;
this.m = null !;
this.rdr = null !;
}
public SparcRewriter(SparcArchitecture arch, EndianImageReader rdr, SparcProcessorState state, IStorageBinder binder, IRewriterHost host)
{
this.arch = arch;
this.binder = binder;
this.host = host;
this.rdr = rdr;
this.dasm = new LookaheadEnumerator <SparcInstruction>(CreateDisassemblyStream(rdr));
this.instrCur = null !;
this.m = null !;
}
public override SparcInstruction Decode(SparcDisassembler dasm, uint wInstr)
{
uint i = ((wInstr >> 25) & 0xF) + offset;
SparcInstruction instr = branchOps[i].Decode(dasm, wInstr);
if ((wInstr & (1u << 29)) != 0)
{
instr.Annul = true;
}
return(instr);
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
instrCur = dasm.Current;
var addr = instrCur.Address;
var rtlInstructions = new List <RtlInstruction>();
rtlc = InstrClass.Linear;
m = new RtlEmitter(rtlInstructions);
switch (instrCur.Mnemonic)
{
default:
EmitUnitTest();
host.Warn(
instrCur.Address,
"SPARC instruction '{0}' is not supported yet.",
instrCur.Mnemonic);
goto case Mnemonic.illegal;
case Mnemonic.illegal:
rtlc = InstrClass.Invalid;
m.Invalid();
break;
case Mnemonic.add: RewriteAlu(m.IAdd, false); break;
case Mnemonic.addcc: RewriteAluCc(m.IAdd, false); break;
case Mnemonic.addx: RewriteAddxSubx(m.IAdd, false); break;
case Mnemonic.addxcc: RewriteAddxSubx(m.IAdd, true); break;
case Mnemonic.and: RewriteAlu(m.And, false); break;
case Mnemonic.andcc: RewriteAluCc(m.And, false); break;
case Mnemonic.andn: RewriteAlu(m.And, true); break;
case Mnemonic.ba: RewriteBranch(Constant.True()); break;
case Mnemonic.bn: RewriteBranch(Constant.False()); break;
case Mnemonic.bne: RewriteBranch(m.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Mnemonic.be: RewriteBranch(m.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
case Mnemonic.bg: RewriteBranch(m.Test(ConditionCode.GT, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Mnemonic.bge: RewriteBranch(m.Test(ConditionCode.GE, Grf(FlagM.NF | FlagM.VF))); break;
case Mnemonic.bgu: RewriteBranch(m.Test(ConditionCode.UGE, Grf(FlagM.CF | FlagM.ZF))); break;
case Mnemonic.bl: RewriteBranch(m.Test(ConditionCode.LT, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Mnemonic.ble: RewriteBranch(m.Test(ConditionCode.LE, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Mnemonic.bleu: RewriteBranch(m.Test(ConditionCode.ULE, Grf(FlagM.CF | FlagM.ZF))); break;
case Mnemonic.bcc: RewriteBranch(m.Test(ConditionCode.UGE, Grf(FlagM.CF))); break;
case Mnemonic.bcs: RewriteBranch(m.Test(ConditionCode.ULT, Grf(FlagM.CF))); break;
case Mnemonic.bneg: RewriteBranch(m.Test(ConditionCode.LT, Grf(FlagM.NF))); break;
case Mnemonic.bpos: RewriteBranch(m.Test(ConditionCode.GE, Grf(FlagM.NF))); break;
// Z
//case Opcode.bgu not (C or Z)
//case Opcode.bleu (C or Z)
//case Opcode.bcc not C
//case Opcode.bcs C
//case Opcode.bpos not N
//case Opcode.bneg N
//case Opcode.bvc not V
//case Opcode.bvs V
case Mnemonic.call: RewriteCall(); break;
case Mnemonic.fabss: RewriteFabss(); break;
case Mnemonic.fadds: RewriteFadds(); break;
case Mnemonic.fbne: RewriteBranch(m.Test(ConditionCode.NE, Grf(FlagM.LF | FlagM.GF))); break;
case Mnemonic.fba: RewriteBranch(Constant.True()); break;
case Mnemonic.fbn: RewriteBranch(Constant.False()); break;
case Mnemonic.fbu: RewriteBranch(m.Test(ConditionCode.NE, Grf(FlagM.UF))); break;
case Mnemonic.fbg: RewriteBranch(m.Test(ConditionCode.GT, Grf(FlagM.GF))); break;
case Mnemonic.fbug: RewriteBranch(m.Test(ConditionCode.GT, Grf(FlagM.GF | FlagM.UF))); break;
//case Opcode.fbug : on Unordered or Greater G or U
//case Opcode.fbl : on Less L
case Mnemonic.fbul: RewriteBranch(m.Test(ConditionCode.LT, Grf(FlagM.GF | FlagM.UF))); break;
//case Opcode.fbul : on Unordered or Less L or U
//case Opcode.fblg : on Less or Greater L or G
//case Opcode.fbne : on Not Equal L or G or U
//case Opcode.fbe : on Equal E
case Mnemonic.fbue: RewriteBranch(m.Test(ConditionCode.EQ, Grf(FlagM.EF | FlagM.UF))); break;
case Mnemonic.fbuge: RewriteBranch(m.Test(ConditionCode.GE, Grf(FlagM.EF | FlagM.GF | FlagM.UF))); break;
//case Opcode.fble : on Less or Equal E or L
//case Opcode.fbule : on Unordered or Less or Equal E or L or U
case Mnemonic.fbule: RewriteBranch(m.Test(ConditionCode.LE, Grf(FlagM.EF | FlagM.LF | FlagM.UF))); break;
case Mnemonic.fbge: RewriteBranch(m.Test(ConditionCode.GE, Grf(FlagM.EF | FlagM.GF))); break;
// case Opcode.FBO : on Ordered E or L or G
case Mnemonic.fcmpes: RewriteFcmpes(); break;
case Mnemonic.fcmpd: RewriteFcmpd(); break;
case Mnemonic.fcmpq: RewriteFcmpq(); break;
case Mnemonic.fcmps: RewriteFcmps(); break;
case Mnemonic.fdivd: RewriteFdivs(); break;
case Mnemonic.fdivs: RewriteFdivd(); break;
case Mnemonic.fdtos: RewriteFdtos(); break;
case Mnemonic.fitod: RewriteFitod(); break;
case Mnemonic.fitoq: RewriteFitoq(); break;
case Mnemonic.fitos: RewriteFitos(); break;
case Mnemonic.fmovs: RewriteFmovs(); break;
case Mnemonic.fmuls: RewriteFmuls(); break;
case Mnemonic.fnegs: RewriteFmovs(); break;
case Mnemonic.fstod: RewriteFstod(); break;
case Mnemonic.fsubs: RewriteFsubs(); break;
case Mnemonic.jmpl: RewriteJmpl(); break;
case Mnemonic.ld: RewriteLoad(PrimitiveType.Word32); break;
case Mnemonic.lddf: RewriteLoad(PrimitiveType.Real64); break;
case Mnemonic.ldf: RewriteLoad(PrimitiveType.Real32); break;
case Mnemonic.ldd: RewriteLoad(PrimitiveType.Word64); break;
case Mnemonic.ldsb: RewriteLoad(PrimitiveType.SByte); break;
case Mnemonic.ldsh: RewriteLoad(PrimitiveType.Int16); break;
case Mnemonic.ldstub: RewriteLdstub(); break;
case Mnemonic.ldub: RewriteLoad(PrimitiveType.Byte); break;
case Mnemonic.lduh: RewriteLoad(PrimitiveType.Word16); break;
case Mnemonic.ldfsr: RewriteLoad(PrimitiveType.Word32); break;
case Mnemonic.mulscc: RewriteMulscc(); break;
case Mnemonic.or: RewriteAlu(m.Or, false); break;
case Mnemonic.orcc: RewriteAluCc(m.Or, false); break;
case Mnemonic.restore: RewriteRestore(); break;
case Mnemonic.rett: RewriteRett(); break;
case Mnemonic.save: RewriteSave(); break;
case Mnemonic.sethi: RewriteSethi(); break;
case Mnemonic.sdiv: RewriteAlu(m.SDiv, false); break;
case Mnemonic.sdivcc: RewriteAlu(m.SDiv, false); break;
case Mnemonic.sll: RewriteAlu(m.Shl, false); break;
case Mnemonic.smul: RewriteAlu(m.SMul, false); break;
case Mnemonic.smulcc: RewriteAluCc(m.SMul, false); break;
case Mnemonic.sra: RewriteAlu(m.Sar, false); break;
case Mnemonic.srl: RewriteAlu(m.Shr, false); break;
case Mnemonic.st: RewriteStore(PrimitiveType.Word32); break;
case Mnemonic.stb: RewriteStore(PrimitiveType.Byte); break;
case Mnemonic.std: RewriteStore(PrimitiveType.Word64); break;
case Mnemonic.stdf: RewriteStore(PrimitiveType.Real64); break;
case Mnemonic.stf: RewriteStore(PrimitiveType.Real32); break;
case Mnemonic.sth: RewriteStore(PrimitiveType.Word16); break;
case Mnemonic.stfsr: RewriteStore(PrimitiveType.Word32); break;
case Mnemonic.sub: RewriteAlu(m.ISub, false); break;
case Mnemonic.subcc: RewriteAluCc(m.ISub, false); break;
case Mnemonic.subx: RewriteAddxSubx(m.ISub, false); break;
case Mnemonic.subxcc: RewriteAddxSubx(m.ISub, true); break;
case Mnemonic.ta: RewriteTrap(Constant.True()); break;
case Mnemonic.tn: RewriteTrap(Constant.False()); break;
case Mnemonic.tne: RewriteTrap(m.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Mnemonic.te: RewriteTrap(m.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
case Mnemonic.udiv: RewriteAlu(m.UDiv, false); break;
case Mnemonic.udivcc: RewriteAluCc(m.UDiv, false); break;
case Mnemonic.umul: RewriteAlu(m.UMul, false); break;
case Mnemonic.umulcc: RewriteAluCc(m.UMul, false); break;
case Mnemonic.unimp: m.Invalid(); break;
case Mnemonic.xor: RewriteAlu(m.Xor, false); break;
case Mnemonic.xorcc: RewriteAlu(m.Xor, true); break;
case Mnemonic.xnor: RewriteAlu(XNor, false); break;
case Mnemonic.xnorcc: RewriteAlu(XNor, true); break;
}
yield return(new RtlInstructionCluster(addr, 4, rtlInstructions.ToArray())
{
Class = rtlc
});
}
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
instrCur = dasm.Current;
ric = new RtlInstructionCluster(instrCur.Address, 4);
ric.Class = RtlClass.Linear;
emitter = new RtlEmitter(ric.Instructions);
switch (instrCur.Opcode)
{
default:
throw new AddressCorrelatedException(
instrCur.Address,
"Rewriting SPARC opcode '{0}' is not supported yet.",
instrCur.Opcode);
case Opcode.add: RewriteAlu(Operator.IAdd); break;
case Opcode.addcc: RewriteAluCc(Operator.IAdd); break;
case Opcode.and: RewriteAlu(Operator.And); break;
case Opcode.andcc: RewriteAluCc(Operator.And); break;
case Opcode.ba: RewriteBranch(Constant.True()); break;
case Opcode.bn: RewriteBranch(Constant.False()); break;
case Opcode.bne: RewriteBranch(emitter.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Opcode.be: RewriteBranch(emitter.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
// Z
//case Opcode.bg not (Z or (N xor V))
//case Opcode.ble Z or (N xor V)
//case Opcode.bge not (N xor V)
//case Opcode.bl N xor V
//case Opcode.bgu not (C or Z)
//case Opcode.bleu (C or Z)
//case Opcode.bcc not C
//case Opcode.bcs C
//case Opcode.bpos not N
//case Opcode.bneg N
//case Opcode.bvc not V
//case Opcode.bvs V
case Opcode.call: RewriteCall(); break;
case Opcode.fbne: RewriteBranch(emitter.Test(ConditionCode.NE, Grf(FlagM.LF | FlagM.GF))); break;
case Opcode.fba: RewriteBranch(Constant.True()); break;
case Opcode.fbn: RewriteBranch(Constant.False()); break;
//case Opcode.fbu : on Unordered U
//case Opcode.fbg : RewriteBranch(emitter.Test(ConditionCode.GT, Grf(FlagM.GF))); break;
//case Opcode.fbug : on Unordered or Greater G or U
//case Opcode.fbl : on Less L
//case Opcode.fbul : on Unordered or Less L or U
//case Opcode.fblg : on Less or Greater L or G
//case Opcode.fbne : on Not Equal L or G or U
//case Opcode.fbe : on Equal E
//case Opcode.fbue : on Unordered or Equal E or U
//case Opcode.fbge : on Greater or Equal E or G
//case Opcode.fbuge : on Unordered or Greater or Equal E or G or U
//case Opcode.fble : on Less or Equal E or L
//case Opcode.fbule : on Unordered or Less or Equal E or L or U
// case Opcode.FBO : on Ordered E or L or G
case Opcode.fitod: RewriteFitod(); break;
case Opcode.fitoq: RewriteFitoq(); break;
case Opcode.fitos: RewriteFitos(); break;
case Opcode.jmpl: RewriteJmpl(); break;
case Opcode.ldsb: RewriteLoad(PrimitiveType.SByte); break;
case Opcode.mulscc: RewriteMulscc(); break;
case Opcode.or: RewriteAlu(Operator.Or); break;
case Opcode.orcc: RewriteAluCc(Operator.Or); break;
case Opcode.rett: RewriteRett(); break;
case Opcode.sethi: RewriteSethi(); break;
case Opcode.sdiv: RewriteAlu(Operator.SDiv); break;
case Opcode.sdivcc: RewriteAlu(Operator.SDiv); break;
case Opcode.sll: RewriteAlu(Operator.Shl); break;
case Opcode.smul: RewriteAlu(Operator.SMul); break;
case Opcode.smulcc: RewriteAlu(Operator.SMul); break;
case Opcode.sth: RewriteStore(PrimitiveType.Word16); break;
case Opcode.ta: RewriteTrap(Constant.True()); break;
case Opcode.tn: RewriteTrap(Constant.False()); break;
case Opcode.tne: RewriteTrap(emitter.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Opcode.te: RewriteTrap(emitter.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
case Opcode.udiv: RewriteAlu(Operator.UDiv); break;
case Opcode.udivcc: RewriteAluCc(Operator.UDiv); break;
case Opcode.umul: RewriteAlu(Operator.UMul); break;
case Opcode.umulcc: RewriteAluCc(Operator.UMul); break;
}
yield return(ric);
}
}
public IEnumerator <RtlInstructionCluster> GetEnumerator()
{
while (dasm.MoveNext())
{
instrCur = dasm.Current;
ric = new RtlInstructionCluster(instrCur.Address, 4);
ric.Class = RtlClass.Linear;
emitter = new RtlEmitter(ric.Instructions);
switch (instrCur.Opcode)
{
default:
throw new AddressCorrelatedException(
instrCur.Address,
"Rewriting SPARC opcode '{0}' is not supported yet.",
instrCur.Opcode);
case Opcode.add: RewriteAlu(emitter.IAdd, false); break;
case Opcode.addcc: RewriteAluCc(emitter.IAdd, false); break;
case Opcode.addx: RewriteAddxSubx(emitter.IAdd, false); break;
case Opcode.addxcc: RewriteAddxSubx(emitter.IAdd, true); break;
case Opcode.and: RewriteAlu(emitter.And, false); break;
case Opcode.andcc: RewriteAluCc(emitter.And, false); break;
case Opcode.andn: RewriteAlu(emitter.And, true); break;
case Opcode.ba: RewriteBranch(Constant.True()); break;
case Opcode.bn: RewriteBranch(Constant.False()); break;
case Opcode.bne: RewriteBranch(emitter.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Opcode.be: RewriteBranch(emitter.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
case Opcode.bg: RewriteBranch(emitter.Test(ConditionCode.GT, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Opcode.bge: RewriteBranch(emitter.Test(ConditionCode.GE, Grf(FlagM.NF | FlagM.VF))); break;
case Opcode.bgu: RewriteBranch(emitter.Test(ConditionCode.UGE, Grf(FlagM.CF | FlagM.ZF))); break;
case Opcode.bl: RewriteBranch(emitter.Test(ConditionCode.LT, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Opcode.ble: RewriteBranch(emitter.Test(ConditionCode.LE, Grf(FlagM.ZF | FlagM.NF | FlagM.VF))); break;
case Opcode.bleu: RewriteBranch(emitter.Test(ConditionCode.ULE, Grf(FlagM.CF | FlagM.ZF))); break;
case Opcode.bcc: RewriteBranch(emitter.Test(ConditionCode.UGE, Grf(FlagM.CF))); break;
case Opcode.bcs: RewriteBranch(emitter.Test(ConditionCode.ULT, Grf(FlagM.CF))); break;
case Opcode.bneg: RewriteBranch(emitter.Test(ConditionCode.LT, Grf(FlagM.NF))); break;
case Opcode.bpos: RewriteBranch(emitter.Test(ConditionCode.GE, Grf(FlagM.NF))); break;
// Z
//case Opcode.bgu not (C or Z)
//case Opcode.bleu (C or Z)
//case Opcode.bcc not C
//case Opcode.bcs C
//case Opcode.bpos not N
//case Opcode.bneg N
//case Opcode.bvc not V
//case Opcode.bvs V
case Opcode.call: RewriteCall(); break;
case Opcode.fabss: RewriteFabss(); break;
case Opcode.fadds: RewriteFadds(); break;
case Opcode.fbne: RewriteBranch(emitter.Test(ConditionCode.NE, Grf(FlagM.LF | FlagM.GF))); break;
case Opcode.fba: RewriteBranch(Constant.True()); break;
case Opcode.fbn: RewriteBranch(Constant.False()); break;
case Opcode.fbu: RewriteBranch(emitter.Test(ConditionCode.NE, Grf(FlagM.UF))); break;
case Opcode.fbg: RewriteBranch(emitter.Test(ConditionCode.GT, Grf(FlagM.GF))); break;
case Opcode.fbug: RewriteBranch(emitter.Test(ConditionCode.GT, Grf(FlagM.GF | FlagM.UF))); break;
//case Opcode.fbug : on Unordered or Greater G or U
//case Opcode.fbl : on Less L
case Opcode.fbul: RewriteBranch(emitter.Test(ConditionCode.LT, Grf(FlagM.GF | FlagM.UF))); break;
//case Opcode.fbul : on Unordered or Less L or U
//case Opcode.fblg : on Less or Greater L or G
//case Opcode.fbne : on Not Equal L or G or U
//case Opcode.fbe : on Equal E
//case Opcode.fbue : on Unordered or Equal E or U
//case Opcode.fbge : on Greater or Equal E or G
//case Opcode.fbuge : on Unordered or Greater or Equal E or G or U
case Opcode.fbuge: RewriteBranch(emitter.Test(ConditionCode.GE, Grf(FlagM.EF | FlagM.GF | FlagM.UF))); break;
//case Opcode.fble : on Less or Equal E or L
//case Opcode.fbule : on Unordered or Less or Equal E or L or U
case Opcode.fbule: RewriteBranch(emitter.Test(ConditionCode.LE, Grf(FlagM.EF | FlagM.LF | FlagM.UF))); break;
// case Opcode.FBO : on Ordered E or L or G
case Opcode.fcmpes: RewriteFcmpes(); break;
case Opcode.fdivs: RewriteFdivs(); break;
case Opcode.fitod: RewriteFitod(); break;
case Opcode.fitoq: RewriteFitoq(); break;
case Opcode.fitos: RewriteFitos(); break;
case Opcode.fmovs: RewriteFmovs(); break;
case Opcode.fmuls: RewriteFmuls(); break;
case Opcode.fnegs: RewriteFmovs(); break;
case Opcode.fsubs: RewriteFsubs(); break;
case Opcode.jmpl: RewriteJmpl(); break;
case Opcode.ld: RewriteLoad(PrimitiveType.Word32); break;
case Opcode.lddf: RewriteDLoad(PrimitiveType.Real64); break;
case Opcode.ldf: RewriteLoad(PrimitiveType.Real32); break;
case Opcode.ldd: RewriteLoad(PrimitiveType.Word64); break;
case Opcode.ldsb: RewriteLoad(PrimitiveType.SByte); break;
case Opcode.ldsh: RewriteLoad(PrimitiveType.Int16); break;
case Opcode.ldub: RewriteLoad(PrimitiveType.Byte); break;
case Opcode.lduh: RewriteLoad(PrimitiveType.Word16); break;
case Opcode.mulscc: RewriteMulscc(); break;
case Opcode.or: RewriteAlu(emitter.Or, false); break;
case Opcode.orcc: RewriteAluCc(emitter.Or, false); break;
case Opcode.restore: RewriteRestore(); break;
case Opcode.rett: RewriteRett(); break;
case Opcode.save: RewriteSave(); break;
case Opcode.sethi: RewriteSethi(); break;
case Opcode.sdiv: RewriteAlu(emitter.SDiv, false); break;
case Opcode.sdivcc: RewriteAlu(emitter.SDiv, false); break;
case Opcode.sll: RewriteAlu(emitter.Shl, false); break;
case Opcode.smul: RewriteAlu(emitter.SMul, false); break;
case Opcode.smulcc: RewriteAluCc(emitter.SMul, false); break;
case Opcode.sra: RewriteAlu(emitter.Sar, false); break;
case Opcode.srl: RewriteAlu(emitter.Shr, false); break;
case Opcode.st: RewriteStore(PrimitiveType.Word32); break;
case Opcode.stb: RewriteStore(PrimitiveType.Byte); break;
case Opcode.std: RewriteStore(PrimitiveType.Word64); break;
case Opcode.stf: RewriteStore(PrimitiveType.Real32); break;
case Opcode.sth: RewriteStore(PrimitiveType.Word16); break;
case Opcode.sub: RewriteAlu(emitter.ISub, false); break;
case Opcode.subcc: RewriteAluCc(emitter.ISub, false); break;
case Opcode.subx: RewriteAddxSubx(emitter.ISub, false); break;
case Opcode.subxcc: RewriteAddxSubx(emitter.ISub, true); break;
case Opcode.ta: RewriteTrap(Constant.True()); break;
case Opcode.tn: RewriteTrap(Constant.False()); break;
case Opcode.tne: RewriteTrap(emitter.Test(ConditionCode.NE, Grf(FlagM.ZF))); break;
case Opcode.te: RewriteTrap(emitter.Test(ConditionCode.EQ, Grf(FlagM.ZF))); break;
case Opcode.udiv: RewriteAlu(emitter.UDiv, false); break;
case Opcode.udivcc: RewriteAluCc(emitter.UDiv, false); break;
case Opcode.umul: RewriteAlu(emitter.UMul, false); break;
case Opcode.umulcc: RewriteAluCc(emitter.UMul, false); break;
case Opcode.unimp: emitter.Invalid(); break;
case Opcode.xor: RewriteAlu(emitter.Xor, false); break;
}
yield return(ric);
}
}
private SparcInstruction Instr(Opcode opcode, params object[] ops)
{
var instr = new SparcInstruction { Opcode = opcode };
if (ops.Length > 0)
{
instr.Op1 = Op(ops[0]);
if (ops.Length > 1)
{
instr.Op2 = Op(ops[1]);
if (ops.Length > 2)
{
instr.Op3 = Op(ops[2]);
}
}
}
return instr;
}