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Code Issues Releases Activity

Fix FSUB/FSUBR and FSUBP/FSUBRP instruction type handling

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bird_egop
2025-04-18 13:41:42 +03:00
parent 7bb14523e5
commit 1536ce4385
3 changed files with 13 additions and 13 deletions
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8
X86Disassembler/X86/Handlers/FloatingPoint/Arithmetic/FsubrpStiStHandler.cs
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@ -3,7 +3,7 @@ namespace X86Disassembler.X86.Handlers.FloatingPoint.Arithmetic;
using X86Disassembler.X86.Operands;
/// <summary>
/// Handler for FSUBRP ST(i), ST instruction (DE E8-EF)
/// Handler for FSUBP ST(i), ST instruction (DE E8-EF)
/// </summary>
public class FsubrpStiStHandler : InstructionHandler
{
@ -23,7 +23,7 @@ public class FsubrpStiStHandler : InstructionHandler
/// <returns>True if this handler can decode the opcode</returns>
public override bool CanHandle(byte opcode)
{
// FSUBRP ST(i), ST is DE E8-EF
// FSUBP ST(i), ST is DE E8-EF
if (opcode != 0xDE) return false;
if (!Decoder.CanReadByte())
@ -39,7 +39,7 @@ public class FsubrpStiStHandler : InstructionHandler
}
/// <summary>
/// Decodes a FSUBRP ST(i), ST instruction
/// Decodes a FSUBP ST(i), ST instruction
/// </summary>
/// <param name="opcode">The opcode of the instruction</param>
/// <param name="instruction">The instruction object to populate</param>
@ -55,7 +55,7 @@ public class FsubrpStiStHandler : InstructionHandler
var stIndex = (FpuRegisterIndex)(Decoder.ReadByte() - 0xE8);
// Set the instruction type
instruction.Type = InstructionType.Fsubrp;
instruction.Type = InstructionType.Fsubp;
// Create the FPU register operands
var stiOperand = OperandFactory.CreateFPURegisterOperand(stIndex);