From 0282fa7adbeea737bfdb8f11570d6d17ea94d47b Mon Sep 17 00:00:00 2001
From: mitaclaw <140017135+mitaclaw@users.noreply.github.com>
Date: Sat, 20 Apr 2024 05:16:05 -0700
Subject: [PATCH] CachedInterpreter: Exception Check Callback
 Micro-Optimization

This saves two register pushes / pops.
---
 .../Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp    | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp b/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
index 7e740b5de9..82b8058e7a 100644
--- a/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
+++ b/Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
@@ -135,9 +135,9 @@ s32 CachedInterpreter::CheckFPU(PowerPC::PowerPCState& ppc_state, const CheckHal
   const auto& [power_pc, downcount] = operands;
   if (!ppc_state.msr.FP)
   {
+    ppc_state.downcount -= downcount;
     ppc_state.Exceptions |= EXCEPTION_FPU_UNAVAILABLE;
     power_pc.CheckExceptions();
-    ppc_state.downcount -= downcount;
     return 0;
   }
   return sizeof(AnyCallback) + sizeof(operands);
@@ -148,8 +148,8 @@ s32 CachedInterpreter::CheckDSI(PowerPC::PowerPCState& ppc_state, const CheckHal
   const auto& [power_pc, downcount] = operands;
   if ((ppc_state.Exceptions & EXCEPTION_DSI) != 0)
   {
-    power_pc.CheckExceptions();
     ppc_state.downcount -= downcount;
+    power_pc.CheckExceptions();
     return 0;
   }
   return sizeof(AnyCallback) + sizeof(operands);
@@ -161,8 +161,8 @@ s32 CachedInterpreter::CheckProgramException(PowerPC::PowerPCState& ppc_state,
   const auto& [power_pc, downcount] = operands;
   if ((ppc_state.Exceptions & EXCEPTION_PROGRAM) != 0)
   {
-    power_pc.CheckExceptions();
     ppc_state.downcount -= downcount;
+    power_pc.CheckExceptions();
     return 0;
   }
   return sizeof(AnyCallback) + sizeof(operands);