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Code Issues Releases Activity

Test fixes

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bird_egop
2025-04-16 18:30:17 +03:00
parent d4eb920e2f
commit 6719cff2af
38 changed files with 469 additions and 170 deletions
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42
X86Disassembler/X86/Handlers/FloatingPoint/LoadStoreInt32Handler.cs
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@ -121,7 +121,7 @@ public class LoadStoreInt32Handler : InstructionHandler
}
// Read the ModR/M byte
var (mod, reg, rm, memoryOperand) = ModRMDecoder.ReadModRM();
var (mod, reg, rm, rawMemoryOperand) = ModRMDecoder.ReadModRM();
// Handle based on addressing mode
if (mod != 3) // Memory operand
@ -129,16 +129,46 @@ public class LoadStoreInt32Handler : InstructionHandler
// Set the instruction type based on the reg field
instruction.Type = MemoryInstructionTypes[(int)reg];
// Set the size based on the operation
// Create a new memory operand with the appropriate size based on the operation
Operand memoryOperand;
int operandSize;
if (reg == RegisterIndex.A || reg == RegisterIndex.C || reg == RegisterIndex.D) // 32-bit integer operations
{
// Keep the default 32-bit size
memoryOperand.Size = 32;
// Use 32-bit size for integer operations
operandSize = 32;
}
else if (reg == RegisterIndex.Di || reg == RegisterIndex.Bp) // 80-bit extended precision operations
{
// Set to 80-bit for extended precision
memoryOperand.Size = 80;
// Use 80-bit size for extended precision operations
operandSize = 80;
}
else
{
// Default size
operandSize = 32;
}
// Create the appropriate memory operand with the correct size
if (rawMemoryOperand is DirectMemoryOperand directMemory)
{
memoryOperand = OperandFactory.CreateDirectMemoryOperand(directMemory.Address, operandSize);
}
else if (rawMemoryOperand is BaseRegisterMemoryOperand baseRegMemory)
{
memoryOperand = OperandFactory.CreateBaseRegisterMemoryOperand(baseRegMemory.BaseRegister, operandSize);
}
else if (rawMemoryOperand is DisplacementMemoryOperand dispMemory)
{
memoryOperand = OperandFactory.CreateDisplacementMemoryOperand(dispMemory.BaseRegister, dispMemory.Displacement, operandSize);
}
else if (rawMemoryOperand is ScaledIndexMemoryOperand scaledMemory)
{
memoryOperand = OperandFactory.CreateScaledIndexMemoryOperand(scaledMemory.IndexRegister, scaledMemory.Scale, scaledMemory.BaseRegister, scaledMemory.Displacement, operandSize);
}
else
{
memoryOperand = rawMemoryOperand;
}
// Set the structured operands