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Implement some x86 instructions #335

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Sep 4, 2024
Merged

Implement some x86 instructions #335

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3 changes: 3 additions & 0 deletions Cpp2IL.Core/ISIL/InstructionSetIndependentOpCode.cs
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Expand Up @@ -21,6 +21,7 @@ public class InstructionSetIndependentOpCode
public static readonly InstructionSetIndependentOpCode Or = new(IsilMnemonic.Or, 3, InstructionSetIndependentOperand.OperandType.Any, InstructionSetIndependentOperand.OperandType.Any, InstructionSetIndependentOperand.OperandType.Any);
public static readonly InstructionSetIndependentOpCode Xor = new(IsilMnemonic.Xor, 3, InstructionSetIndependentOperand.OperandType.Any, InstructionSetIndependentOperand.OperandType.Any, InstructionSetIndependentOperand.OperandType.Any);
public static readonly InstructionSetIndependentOpCode Not = new(IsilMnemonic.Not, 1, InstructionSetIndependentOperand.OperandType.NotStack);
public static readonly InstructionSetIndependentOpCode Neg = new(IsilMnemonic.Neg, 1, InstructionSetIndependentOperand.OperandType.NotStack);

public static readonly InstructionSetIndependentOpCode Compare = new(IsilMnemonic.Compare, 2, InstructionSetIndependentOperand.OperandType.Any, InstructionSetIndependentOperand.OperandType.Any);

Expand All @@ -38,6 +39,8 @@ public class InstructionSetIndependentOpCode

public static readonly InstructionSetIndependentOpCode JumpIfEqual = new(IsilMnemonic.JumpIfEqual, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfNotEqual = new(IsilMnemonic.JumpIfNotEqual, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfSign = new(IsilMnemonic.JumpIfSign, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfNotSign = new(IsilMnemonic.JumpIfNotSign, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfGreater = new(IsilMnemonic.JumpIfGreater, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfLess = new(IsilMnemonic.JumpIfLess, 1, InstructionSetIndependentOperand.OperandType.Instruction);
public static readonly InstructionSetIndependentOpCode JumpIfGreaterOrEqual = new(IsilMnemonic.JumpIfGreaterOrEqual, 1, InstructionSetIndependentOperand.OperandType.Instruction);
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6 changes: 6 additions & 0 deletions Cpp2IL.Core/ISIL/IsilBuilder.cs
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Expand Up @@ -87,7 +87,9 @@ public void FixJumps()
public void Or(ulong instructionAddress, InstructionSetIndependentOperand dest, InstructionSetIndependentOperand left, InstructionSetIndependentOperand right) => AddInstruction(new(InstructionSetIndependentOpCode.Or, instructionAddress, IsilFlowControl.Continue, dest, left, right));

public void Not(ulong instructionAddress, InstructionSetIndependentOperand src) => AddInstruction(new(InstructionSetIndependentOpCode.Not, instructionAddress, IsilFlowControl.Continue, src));
public void Neg(ulong instructionAddress, InstructionSetIndependentOperand src) => AddInstruction(new(InstructionSetIndependentOpCode.Neg, instructionAddress, IsilFlowControl.Continue, src));
public void Multiply(ulong instructionAddress, InstructionSetIndependentOperand dest, InstructionSetIndependentOperand src1, InstructionSetIndependentOperand src2) => AddInstruction(new(InstructionSetIndependentOpCode.Multiply, instructionAddress, IsilFlowControl.Continue, dest, src1, src2));
public void Divide(ulong instructionAddress, InstructionSetIndependentOperand dest, InstructionSetIndependentOperand src1, InstructionSetIndependentOperand src2) => AddInstruction(new(InstructionSetIndependentOpCode.Divide, instructionAddress, IsilFlowControl.Continue, dest, src1, src2));

public void Call(ulong instructionAddress, ulong dest, params InstructionSetIndependentOperand[] args) => AddInstruction(new(InstructionSetIndependentOpCode.Call, instructionAddress, IsilFlowControl.MethodCall, PrepareCallOperands(dest, args)));

Expand All @@ -103,6 +105,10 @@ public void Return(ulong instructionAddress, InstructionSetIndependentOperand? r
public void Goto(ulong instructionAddress, ulong target) => CreateJump(instructionAddress, target, InstructionSetIndependentOpCode.Goto, IsilFlowControl.UnconditionalJump);

public void JumpIfEqual(ulong instructionAddress, ulong target) => CreateJump(instructionAddress, target, InstructionSetIndependentOpCode.JumpIfEqual, IsilFlowControl.ConditionalJump);

public void JumpIfSign(ulong instructionAddress, ulong target) => CreateJump(instructionAddress, target, InstructionSetIndependentOpCode.JumpIfSign, IsilFlowControl.ConditionalJump);

public void JumpIfNotSign(ulong instructionAddress, ulong target) => CreateJump(instructionAddress, target, InstructionSetIndependentOpCode.JumpIfNotSign, IsilFlowControl.ConditionalJump);

public void JumpIfNotEqual(ulong instructionAddress, ulong target) => CreateJump(instructionAddress, target, InstructionSetIndependentOpCode.JumpIfNotEqual, IsilFlowControl.ConditionalJump);

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3 changes: 3 additions & 0 deletions Cpp2IL.Core/ISIL/IsilMnemonic.cs
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Expand Up @@ -17,6 +17,7 @@ public enum IsilMnemonic
Or,
Xor,
Not,
Neg,
Compare,
ShiftStack,
Push,
Expand All @@ -29,6 +30,8 @@ public enum IsilMnemonic
JumpIfGreaterOrEqual,
JumpIfLess,
JumpIfLessOrEqual,
JumpIfSign,
JumpIfNotSign,
SignExtend,
Interrupt,
Nop,
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