mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 12:30:32 +00:00
33 lines
No EOL
1.2 KiB
C#
33 lines
No EOL
1.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Cosmos.IL2CPU.Plugs;
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using Assembler = Cosmos.Assembler.Assembler;
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using CPUAll = Cosmos.Assembler;
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using CPUx86 = Cosmos.Assembler.x86;
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namespace Cosmos.IL2CPU.X86.Plugs.CustomImplementations.MS.System
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{
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[Plug(Target = typeof(global::System.Math))]
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class MathImpl
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{
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#region double Sqrt(double d)
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public class CalculateSqrtAsm : AssemblerMethod
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{
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public override void AssembleNew(Cosmos.Assembler.Assembler aAssembler, object aMethodInfo)
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{
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new CPUx86.x87.FloatLoad { DestinationReg = CPUx86.Registers.EBP, Size = 64, DestinationIsIndirect = true, DestinationDisplacement = 8 };
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new CPUx86.x87.FloatSqrt{ };
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// reservate 8 byte for returntype double on stack
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new CPUx86.Sub { DestinationReg = CPUx86.Registers.ESP, SourceValue = 8 };
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// write double value to this reservation
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new CPUx86.x87.FloatStoreAndPop { DestinationReg = CPUx86.Registers.ESP, Size = 64, DestinationIsIndirect = true };
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// after this is the result popped
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}
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}
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[PlugMethod(Assembler = typeof(CalculateSqrtAsm))]
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public static double Sqrt(double d) { return 0.0; }
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#endregion
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}
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} |