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C# Context.AddOperand方法代码示例

本文整理汇总了C#中Mosa.Compiler.Framework.Context.AddOperand方法的典型用法代码示例。如果您正苦于以下问题:C# Context.AddOperand方法的具体用法?C# Context.AddOperand怎么用?C# Context.AddOperand使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Mosa.Compiler.Framework.Context的用法示例。


在下文中一共展示了Context.AddOperand方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: PatchInvoke

        private static void PatchInvoke(BaseMethodCompiler methodCompiler)
        {
            // check if instance is null (if so, it's a static call to the methodPointer)

            MosaField methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
            int methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
            Operand methodPointerOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, methodPointerOffset);

            MosaField instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
            int instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
            Operand instanceOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, instanceOffset);

            var size = methodCompiler.Architecture.NativeInstructionSize;
            bool withReturn = (methodCompiler.Method.Signature.ReturnType == null) ? false : !methodCompiler.Method.Signature.ReturnType.IsVoid;

            Context b0 = new Context(CreateMethodStructure(methodCompiler, false));
            Context b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
            Context b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
            Context b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());

            Operand[] vrs = new Operand[methodCompiler.Parameters.Length];

            for (int i = 0; i < methodCompiler.Parameters.Length; i++)
            {
                vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);

                //fixme: handle structs
                var loadInstruction = BaseMethodCompilerStage.GetLoadInstruction(vrs[i].Type);
                var moveSize = BaseMethodCompilerStage.GetInstructionSize(vrs[i].Type);

                b0.AppendInstruction(loadInstruction, moveSize, vrs[i], methodCompiler.StackFrame, methodCompiler.Parameters[i]);
            }

            Operand thisOperand = vrs[0];

            Operand opMethod = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.U4);
            Operand opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
            Operand opCompare = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.I4);

            Operand opReturn = withReturn ? methodCompiler.AllocateVirtualRegisterOrStackSlot(methodCompiler.Method.Signature.ReturnType) : null;
            Operand c0 = Operand.CreateConstant(methodCompiler.TypeSystem, 0);

            b0.AppendInstruction(IRInstruction.LoadInteger, size, opMethod, thisOperand, methodPointerOffsetOperand);
            b0.AppendInstruction(IRInstruction.LoadInteger, size, opInstance, thisOperand, instanceOffsetOperand);
            b0.AppendInstruction(IRInstruction.CompareInteger, ConditionCode.Equal, opCompare, opInstance, c0);
            b0.AppendInstruction(IRInstruction.CompareIntegerBranch, ConditionCode.Equal, null, opCompare, c0);
            b0.AddBranchTarget(b2.Block);
            b0.AppendInstruction(IRInstruction.Jmp, b1.Block);

            // no instance
            b1.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
            b1.InvokeMethod = methodCompiler.Method;
            for (int i = 1; i < methodCompiler.Parameters.Length; i++)
                b1.AddOperand(vrs[i]);
            if (withReturn)
                b1.SetResult(0, opReturn);
            b1.AppendInstruction(IRInstruction.Jmp, b3.Block);

            // instance
            b2.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
            b2.InvokeMethod = methodCompiler.Method;
            b2.AddOperand(opInstance);
            for (int i = 1; i < methodCompiler.Parameters.Length; i++)
                b2.AddOperand(vrs[i]);
            if (withReturn)
                b2.SetResult(0, opReturn);
            b2.AppendInstruction(IRInstruction.Jmp, b3.Block);

            // return
            b3.AppendInstruction(IRInstruction.Return, methodCompiler.BasicBlocks.EpilogueBlock);
            if (withReturn)
                b3.SetOperand(0, opReturn);
        }
开发者ID:tgiphil,项目名称:MOSA-Project,代码行数:73,代码来源:DelegatePatcher.cs

示例2: PatchInvoke

        private static void PatchInvoke(BaseMethodCompiler methodCompiler, bool withReturn)
        {
            // check if instance is null (if so, it's a static call to the methodPointer)

            MosaField methodPointerField = GetField(methodCompiler.Method.DeclaringType, "methodPointer");
            int methodPointerOffset = methodCompiler.TypeLayout.GetFieldOffset(methodPointerField);
            Operand methodPointerOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, methodPointerOffset);

            MosaField instanceField = GetField(methodCompiler.Method.DeclaringType, "instance");
            int instanceOffset = methodCompiler.TypeLayout.GetFieldOffset(instanceField);
            Operand instanceOffsetOperand = Operand.CreateConstant(methodCompiler.TypeSystem, instanceOffset);

            var size = methodCompiler.Architecture.NativeInstructionSize;

            Context b0 = new Context(CreateMethodStructure(methodCompiler, false));
            Context b1 = new Context(methodCompiler.BasicBlocks.CreateBlock());
            Context b2 = new Context(methodCompiler.BasicBlocks.CreateBlock());
            Context b3 = new Context(methodCompiler.BasicBlocks.CreateBlock());

            Operand[] vrs = new Operand[methodCompiler.Parameters.Length];

            for (int i = 0; i < methodCompiler.Parameters.Length; i++)
            {
                vrs[i] = methodCompiler.VirtualRegisters.Allocate(methodCompiler.Parameters[i].Type);

                if (methodCompiler.TypeLayout.IsCompoundType(methodCompiler.Parameters[i].Type))
                {
                    b0.AppendInstruction(IRInstruction.CompoundMove, vrs[i], methodCompiler.Parameters[i]);
                }
                else
                {
                    b0.AppendInstruction(IRInstruction.Move, vrs[i], methodCompiler.Parameters[i]);
                }
            }

            Operand thisOperand = vrs[0];

            Operand opMethod = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.U4);
            Operand opInstance = methodCompiler.VirtualRegisters.Allocate(thisOperand.Type);
            Operand opCompare = methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.I4);

            Operand opReturn = withReturn ? methodCompiler.VirtualRegisters.Allocate(methodCompiler.TypeSystem.BuiltIn.Object) : null;
            Operand c0 = Operand.CreateConstant(methodCompiler.TypeSystem, 0);

            b0.AppendInstruction(IRInstruction.Load, size, opMethod, thisOperand, methodPointerOffsetOperand);
            b0.AppendInstruction(IRInstruction.Load, size, opInstance, thisOperand, instanceOffsetOperand);
            b0.AppendInstruction(IRInstruction.IntegerCompare, ConditionCode.Equal, opCompare, opInstance, c0);
            b0.AppendInstruction(IRInstruction.IntegerCompareBranch, ConditionCode.Equal, null, opCompare, c0);
            b0.AddBranchTarget(b2.Block);
            b0.AppendInstruction(IRInstruction.Jmp, b1.Block);

            // no instance
            b1.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
            b1.InvokeMethod = methodCompiler.Method;
            for (int i = 1; i < methodCompiler.Parameters.Length; i++)
            {
                b1.AddOperand(vrs[i]);
            }
            b1.AppendInstruction(IRInstruction.Jmp, b3.Block);

            // instance
            b2.AppendInstruction(IRInstruction.Call, opReturn, opMethod);
            b2.InvokeMethod = methodCompiler.Method;
            b2.AddOperand(opInstance);
            for (int i = 1; i < methodCompiler.Parameters.Length; i++)
            {
                b2.AddOperand(vrs[i]);
            }
            b2.AppendInstruction(IRInstruction.Jmp, b3.Block);

            // return
            b3.AppendInstruction(IRInstruction.Return, methodCompiler.BasicBlocks.EpilogueBlock);
            if (withReturn)
            {
                b3.SetOperand(0, opReturn);
            }
        }
开发者ID:yonglehou,项目名称:MOSA-Project,代码行数:77,代码来源:DelegatePatcher.cs


注:本文中的Mosa.Compiler.Framework.Context.AddOperand方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。