From ca014d07d630b229dfddf0ecf00b27ecf41c2a58 Mon Sep 17 00:00:00 2001
From: Nabile Rahmani <nabile13.pc@gmail.com>
Date: Tue, 11 Dec 2018 19:39:32 +0100
Subject: [PATCH] Inline exception processing methods.

---
 DotN64/CPU/VR4300/VR4300.ExceptionProcessing.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/DotN64/CPU/VR4300/VR4300.ExceptionProcessing.cs b/DotN64/CPU/VR4300/VR4300.ExceptionProcessing.cs
index 2cf8501..c567bf7 100644
--- a/DotN64/CPU/VR4300/VR4300.ExceptionProcessing.cs
+++ b/DotN64/CPU/VR4300/VR4300.ExceptionProcessing.cs
@@ -1,4 +1,6 @@
-namespace DotN64.CPU
+using System.Runtime.CompilerServices;
+
+namespace DotN64.CPU
 {
     public partial class VR4300
     {
@@ -15,12 +17,14 @@
             #endregion
 
             #region Methods
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             private static void HandleReset(VR4300 cpu)
             {
                 cpu.CP0.Registers[(int)SystemControlUnit.RegisterIndex.ErrorEPC] = cpu.PC;
                 cpu.PC = ResetVector;
             }
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             private static void HandleGeneral(VR4300 cpu, SystemControlUnit.CauseRegister.ExceptionCode excCode, byte? ce = null)
             {
                 cpu.CP0.Cause.ExcCode = excCode;
@@ -42,6 +46,7 @@
                 cpu.PC = (cpu.CP0.Status.DS.BEV ? GeneralVectorBEV : GeneralVector) + GeneralVectorOffset;
             }
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public static void ColdReset(VR4300 cpu)
             {
                 var ds = cpu.CP0.Status.DS;
@@ -61,8 +66,10 @@
                 HandleReset(cpu);
             }
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public static void Interrupt(VR4300 cpu) => HandleGeneral(cpu, SystemControlUnit.CauseRegister.ExceptionCode.Int);
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public static void ReservedInstruction(VR4300 cpu, Instruction instruction)
             {
                 HandleGeneral(cpu, SystemControlUnit.CauseRegister.ExceptionCode.RI);
@@ -70,8 +77,10 @@
                 throw new UnimplementedOperationException(instruction); // TODO: Remove this and the parameter once every instruction gets implemented.
             }
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public static void CoprocessorUnusable(VR4300 cpu, byte unit) => HandleGeneral(cpu, SystemControlUnit.CauseRegister.ExceptionCode.CpU, unit);
 
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             public static void FloatingPoint(VR4300 cpu) => HandleGeneral(cpu, SystemControlUnit.CauseRegister.ExceptionCode.FPE);
             #endregion
         }