From 6f38d1baa1d6c735ae12b571dd341cd431f6ba73 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Wed, 15 Jul 2015 08:53:05 +0200
Subject: [PATCH] CodeBlock: Add a shared IsAlmostFull function

This function shall keep care about the low watermark of code space.
If we ran out of space, the JITs shall clear their block cache.
---
 Source/Core/Common/CodeBlock.h             | 6 ++++++
 Source/Core/Core/PowerPC/Jit64/Jit.cpp     | 4 +---
 Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp | 2 +-
 Source/Core/Core/PowerPC/JitArm64/Jit.cpp  | 3 +--
 4 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/Source/Core/Common/CodeBlock.h b/Source/Core/Common/CodeBlock.h
index 972fc707d6..5699fc5385 100644
--- a/Source/Core/Common/CodeBlock.h
+++ b/Source/Core/Common/CodeBlock.h
@@ -72,5 +72,11 @@ public:
 	{
 		return region_size - (T::GetCodePtr() - region);
 	}
+
+	bool IsAlmostFull() const
+	{
+		// This should be bigger than the biggest block ever.
+		return GetSpaceLeft() < 0x10000;
+	}
 };
 
diff --git a/Source/Core/Core/PowerPC/Jit64/Jit.cpp b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
index 65227a07f4..723d237315 100644
--- a/Source/Core/Core/PowerPC/Jit64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/Jit64/Jit.cpp
@@ -490,9 +490,7 @@ void Jit64::Trace()
 
 void Jit64::Jit(u32 em_address)
 {
-	if (GetSpaceLeft() < 0x10000 ||
-	    farcode.GetSpaceLeft() < 0x10000 ||
-	    trampolines.GetSpaceLeft() < 0x10000 ||
+	if (IsAlmostFull() || farcode.IsAlmostFull() || trampolines.IsAlmostFull() ||
 	    blocks.IsFull() ||
 	    SConfig::GetInstance().bJITNoBlockCache ||
 	    m_clear_cache_asap)
diff --git a/Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp b/Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp
index 0c82b234a7..d457f6e766 100644
--- a/Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp
+++ b/Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp
@@ -473,7 +473,7 @@ void JitIL::Trace()
 
 void JitIL::Jit(u32 em_address)
 {
-	if (GetSpaceLeft() < 0x10000 || farcode.GetSpaceLeft() < 0x10000 || blocks.IsFull() ||
+	if (IsAlmostFull() || farcode.IsAlmostFull() || blocks.IsFull() ||
 		SConfig::GetInstance().bJITNoBlockCache)
 	{
 		ClearCache();
diff --git a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
index edc8fb8b14..9836e0b70a 100644
--- a/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
+++ b/Source/Core/Core/PowerPC/JitArm64/Jit.cpp
@@ -279,8 +279,7 @@ void JitArm64::SingleStep()
 
 void JitArm64::Jit(u32)
 {
-	if (GetSpaceLeft() < 0x10000 || farcode.GetSpaceLeft() < 0x10000 || blocks.IsFull() ||
-		SConfig::GetInstance().bJITNoBlockCache)
+	if (IsAlmostFull() || farcode.IsAlmostFull() || blocks.IsFull() || SConfig::GetInstance().bJITNoBlockCache)
 	{
 		ClearCache();
 	}