mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-19 20:39:01 +00:00
f8e18e3fbc
Changes in Conv*, Ld* and St* opcodes so that values with size < 4 bytes are extended to 4 bytes. Implemented Not and Xor for values with size 8 bytes. Added tests for bitwise operations, arithmetic operations and Conv* opcodes.
35 lines
1,005 B
C#
35 lines
1,005 B
C#
using XSharp.Compiler;
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using static XSharp.Compiler.XSRegisters;
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namespace Cosmos.IL2CPU.X86.IL
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{
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[Cosmos.IL2CPU.OpCode(ILOpCode.Code.Stind_I)]
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public class Stind_I : ILOp
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{
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public Stind_I(Cosmos.Assembler.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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Assemble(Assembler, 4, DebugEnabled);
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}
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public static void Assemble(Cosmos.Assembler.Assembler aAssembler, int aSize, bool debugEnabled)
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{
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int xAlignedSize = (int)Align((uint)aSize, 4);
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XS.Comment($"address at: [esp+{xAlignedSize}]");
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DoNullReferenceCheck(aAssembler, debugEnabled, xAlignedSize);
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XS.Set(EAX, ESP, sourceIsIndirect: true, sourceDisplacement: xAlignedSize);
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for (int i = 0; i < xAlignedSize; i += 4)
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{
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XS.Pop(EBX);
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XS.Set(EAX, EBX, destinationIsIndirect: true, destinationDisplacement: i);
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}
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XS.Add(ESP, 4);
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}
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}
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}
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