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Code Issues Releases Activity

Split FloatingPointHandler into specialized handlers for each instruction type and fixed FLDCW instruction formatting

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bird_egop
2025-04-12 23:33:40 +03:00
parent 82653f96f2
commit 3cc6d27e33
9 changed files with 260 additions and 18 deletions
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13
X86Disassembler/X86/Handlers/FloatingPoint/LoadStoreControlHandler.cs
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@ -74,11 +74,20 @@ public class LoadStoreControlHandler : FloatingPointBaseHandler
// Different operand types based on the instruction
if (reg == 0 || reg == 2 || reg == 3) // fld, fst, fstp
{
instruction.Operands = $"dword ptr {operand}";
// Keep the dword ptr prefix from ModRMDecoder
instruction.Operands = operand;
}
else // fldenv, fldcw, fnstenv, fnstcw
{
instruction.Operands = operand;
if (reg == 5) // fldcw - should use word ptr
{
instruction.Operands = operand.Replace("dword ptr", "word ptr");
}
else // fldenv, fnstenv, fnstcw
{
// Remove the dword ptr prefix for other control operations
instruction.Operands = operand.Replace("dword ptr ", "");
}
}
}
else // Register operand (ST(i))