Cosmos/source/Indy.IL2CPU.IL.X86/Stelem_Ref.cs
2007-09-23 15:50:00 +00:00

31 lines
No EOL
1.1 KiB
C#

using System;
using System.IO;
using Mono.Cecil;
using Mono.Cecil.Cil;
using CPU = Indy.IL2CPU.Assembler;
using CPUx86 = Indy.IL2CPU.Assembler.X86;
namespace Indy.IL2CPU.IL.X86 {
[OpCode(Code.Stelem_Ref, false)]
public class Stelem_Ref: Op {
public Stelem_Ref(Mono.Cecil.Cil.Instruction aInstruction, MethodInformation aMethodInfo)
: base(aInstruction, aMethodInfo) {
}
public static void Assemble(CPU.Assembler aAssembler) {
// stack - 3 == the array
// stack - 2 == the index
// stack - 1 == the new value
aAssembler.Add(new CPUx86.Pop("ecx")); // the new value;
aAssembler.Add(new CPUx86.Pop("eax")); // the index
aAssembler.Add(new CPUx86.Move("edx", "4"));
aAssembler.Add(new CPUx86.Multiply("edx"));
aAssembler.Add(new CPUx86.Add("eax", "0" + (ObjectImpl.FieldDataOffset + 4).ToString("X") + "h"));
aAssembler.Add(new CPUx86.Pop("edx"));
aAssembler.Add(new CPUx86.Add("edx", "eax"));
aAssembler.Add(new CPUx86.Move("[edx]", "ecx"));
}
public override void DoAssemble() {
Assemble(Assembler);
}
}
}