mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-30 21:00:30 +00:00
57 lines
No EOL
2.7 KiB
C#
57 lines
No EOL
2.7 KiB
C#
//using System;
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//using System.IO;
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//using CPU = Indy.IL2CPU.Assembler;
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//using CPUx86 = Indy.IL2CPU.Assembler.X86;
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//using Indy.IL2CPU.Assembler;
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//namespace Indy.IL2CPU.IL.X86 {
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// [OpCode(OpCodeEnum.Ldelem_Ref)]
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// public class Ldelem_Ref: Op {
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// public Ldelem_Ref(ILReader aReader, MethodInformation aMethodInfo)
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// : base(aReader, aMethodInfo) {
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// }
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// public static void Assemble(CPU.Assembler aAssembler, uint aElementSize) {
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.EDX, SourceValue = aElementSize };
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// new CPUx86.Multiply { DestinationReg = CPUx86.Registers.EDX };
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = (ObjectImpl.FieldDataOffset + 4) };
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EDX };
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.EDX, SourceReg = CPUx86.Registers.EAX };
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.EAX, SourceReg = CPUx86.Registers.EDX };
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// uint xSizeLeft = aElementSize;
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// while (xSizeLeft > 0) {
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// if (xSizeLeft >= 4) {
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// new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX, DestinationIsIndirect = true };
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 4 };
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// xSizeLeft -= 4;
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// } else {
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// if (xSizeLeft >= 2) {
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.ECX, SourceValue = 0 };
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.CX, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };
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// new CPUx86.Push { DestinationReg = CPUx86.Registers.ECX };
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 2 };
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// xSizeLeft -= 2;
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// } else {
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// if (xSizeLeft >= 1) {
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.ECX, SourceValue = 0 };
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// new CPUx86.Move { DestinationReg = CPUx86.Registers.CL, SourceReg = CPUx86.Registers.EAX, SourceIsIndirect = true };
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// new CPUx86.Push { DestinationReg = CPUx86.Registers.ECX };
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// new CPUx86.Add { DestinationReg = CPUx86.Registers.EAX, SourceValue = 1 };
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// xSizeLeft -= 1;
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// } else {
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// throw new Exception("Size left: " + xSizeLeft);
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// }
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// }
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// }
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// }
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// aAssembler.StackContents.Pop();
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// aAssembler.StackContents.Pop();
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// aAssembler.StackContents.Push(new StackContent((int)aElementSize, true, false, false));
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// }
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// public override void DoAssemble() {
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// Assemble(Assembler, 4);
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// }
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// }
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//} |