From 6ad63c1b350221ef1bc8f20ba62338845d9dd0a0 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Sat, 18 Nov 2017 15:05:27 +0100
Subject: [PATCH] Jit64: Inline GP fast check in Cleanup.

---
 Source/Core/Core/HW/GPFifo.cpp         | 3 ++-
 Source/Core/Core/HW/GPFifo.h           | 1 +
 Source/Core/Core/PowerPC/Jit64/Jit.cpp | 7 ++++++-
 Source/Core/Core/PowerPC/PowerPC.h     | 1 +
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Source/Core/Core/HW/GPFifo.cpp b/Source/Core/Core/HW/GPFifo.cpp
index f786af6eac..d21f698c02 100644
--- a/Source/Core/Core/HW/GPFifo.cpp
+++ b/Source/Core/Core/HW/GPFifo.cpp
@@ -53,6 +53,7 @@ void DoState(PointerWrap& p)
 void Init()
 {
   ResetGatherPipe();
+  PowerPC::ppcState.gather_pipe_base_ptr = s_gather_pipe;
   memset(s_gather_pipe, 0, sizeof(s_gather_pipe));
 }
 
@@ -66,7 +67,7 @@ void ResetGatherPipe()
   SetGatherPipeCount(0);
 }
 
-static void UpdateGatherPipe()
+void UpdateGatherPipe()
 {
   size_t pipe_count = GetGatherPipeCount();
   size_t processed;
diff --git a/Source/Core/Core/HW/GPFifo.h b/Source/Core/Core/HW/GPFifo.h
index 6fb331ef37..d5779d73ea 100644
--- a/Source/Core/Core/HW/GPFifo.h
+++ b/Source/Core/Core/HW/GPFifo.h
@@ -21,6 +21,7 @@ void DoState(PointerWrap& p);
 
 // ResetGatherPipe
 void ResetGatherPipe();
+void UpdateGatherPipe();
 void CheckGatherPipe();
 void FastCheckGatherPipe();
 
diff --git a/Source/Core/Core/PowerPC/Jit64/Jit.cpp b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
index 1a8cd83972..facfe820e5 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
@@ -355,9 +355,14 @@ bool Jit64::Cleanup()
 
   if (jo.optimizeGatherPipe && js.fifoBytesSinceCheck > 0)
   {
+    MOV(64, R(RSCRATCH), PPCSTATE(gather_pipe_ptr));
+    SUB(64, R(RSCRATCH), PPCSTATE(gather_pipe_base_ptr));
+    CMP(64, R(RSCRATCH), Imm32(GPFifo::GATHER_PIPE_SIZE));
+    FixupBranch exit = J_CC(CC_L);
     ABI_PushRegistersAndAdjustStack({}, 0);
-    ABI_CallFunction(GPFifo::FastCheckGatherPipe);
+    ABI_CallFunction(GPFifo::UpdateGatherPipe);
     ABI_PopRegistersAndAdjustStack({}, 0);
+    SetJumpTarget(exit);
     did_something = true;
   }
 
diff --git a/Source/Core/Core/PowerPC/PowerPC.h b/Source/Core/Core/PowerPC/PowerPC.h
index 81248fb27e..2b3fe8a98e 100644
--- a/Source/Core/Core/PowerPC/PowerPC.h
+++ b/Source/Core/Core/PowerPC/PowerPC.h
@@ -95,6 +95,7 @@ struct PowerPCState
 
   // gather pipe pointer for JIT access
   u8* gather_pipe_ptr;
+  u8* gather_pipe_base_ptr;
 
 #if _M_X86_64
   // This member exists for the purpose of an assertion in x86 JitBase.cpp