mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-27 14:02:19 +00:00
102 lines
4.2 KiB
C#
102 lines
4.2 KiB
C#
using System;
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using CPUx86 = Cosmos.IL2CPU.X86;
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namespace Cosmos.IL2CPU.X86.IL
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{
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[Cosmos.IL2CPU.OpCode( ILOpCode.Code.Conv_U2 )]
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public class Conv_U2 : ILOp
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{
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public Conv_U2( Cosmos.IL2CPU.Assembler aAsmblr )
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: base( aAsmblr )
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{
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}
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public override void Execute( MethodInfo aMethod, ILOpCode aOpCode )
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{
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if( Assembler.Stack.Peek().IsFloat )
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{
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//EmitNotImplementedException( Assembler, GetServiceProvider(), "Conv_U2: Floats not yet supported", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
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throw new NotImplementedException();
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}
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int xSource = Assembler.Stack.Pop().Size;
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switch( xSource )
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{
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case 1:
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case 4:
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{
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
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break;
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}
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case 8:
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{
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
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new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
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break;
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}
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case 2:
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{
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new CPUx86.Noop();
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break;
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}
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default:
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//EmitNotImplementedException( Assembler, GetServiceProvider(), "Conv_U2: SourceSize " + xSource + " not yet supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel );
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throw new NotImplementedException();
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}
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Assembler.Stack.Push( 2, typeof( ushort ) ) ;
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}
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// using System;
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//
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// using CPUx86 = Cosmos.IL2CPU.X86;
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// using Cosmos.IL2CPU.X86;
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//
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// namespace Indy.IL2CPU.IL.X86 {
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// [OpCode(OpCodeEnum.Conv_U2)]
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// public class Conv_U2: Op {
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// private string mNextLabel;
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// private string mCurLabel;
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// private uint mCurOffset;
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// private MethodInformation mMethodInformation;
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// public Conv_U2(ILReader aReader, MethodInformation aMethodInfo)
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// : base(aReader, aMethodInfo) {
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// mMethodInformation = aMethodInfo;
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// mCurOffset = aReader.Position;
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// mCurLabel = IL.Op.GetInstructionLabel(aReader);
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// mNextLabel = IL.Op.GetInstructionLabel(aReader.NextPosition);
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// }
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// public override void DoAssemble() {
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// if (Assembler.Stack.Peek().IsFloat) {
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// EmitNotImplementedException(Assembler, GetServiceProvider(), "Conv_U2: Floats not yet supported", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
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// return;
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// }
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// int xSource = Assembler.Stack.Pop().Size;
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// switch (xSource) {
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// case 1:
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// case 4: {
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.EAX };
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// new CPUx86.Push { DestinationReg = CPUx86.Registers.EAX };
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// break;
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// }
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// case 8: {
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// new CPUx86.Pop{DestinationReg = CPUx86.Registers.EAX};
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// new CPUx86.Pop { DestinationReg = CPUx86.Registers.ECX };
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// new CPUx86.Push{DestinationReg=CPUx86.Registers.EAX};
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// break;
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// }
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// case 2: {
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// new CPUx86.Noop();
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// break;
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// }
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// default:
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// EmitNotImplementedException(Assembler, GetServiceProvider(), "Conv_U2: SourceSize " + xSource + " not yet supported!", mCurLabel, mMethodInformation, mCurOffset, mNextLabel);
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// return;
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// }
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// Assembler.Stack.Push(new StackContent(2, typeof(ushort)));
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// }
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// }
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// }
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}
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}
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