From: Andreas Monzner <andreas.monzner@multimedia-labs.de>
Date: Tue, 4 Jul 2006 00:01:42 +0000 (+0000)
Subject: optimized refcounting for MIPS (use asm optimized atomic inc/dec)
X-Git-Tag: 2.6.0~3220
X-Git-Url: https://git.cweiske.de/enigma2.git/commitdiff_plain/5b5c4c643d1c2cb1a3949bca4a36d4abcae170cd

optimized refcounting for MIPS (use asm optimized atomic inc/dec)
---

diff --git a/lib/base/object.h b/lib/base/object.h
index 17178457..f93f4257 100644
--- a/lib/base/object.h
+++ b/lib/base/object.h
@@ -39,16 +39,97 @@ public:
 };
 
 #ifndef SWIG
-#define DECLARE_REF(x) private: eSingleLock ref_lock; oRefCount ref; public: void AddRef(); void Release();
-#ifdef OBJECT_DEBUG
-extern int object_total_remaining;
-#define DEFINE_REF(c) void c::AddRef() { eSingleLocker l(ref_lock); ++object_total_remaining; ++ref; eDebug("OBJECT_DEBUG " #c "+%p now %d", this, (int)ref); } void c::Release() { { eSingleLocker l(ref_lock); --object_total_remaining; --ref; eDebug("OBJECT_DEBUG " #c "-%p now %d", this, ref); } if (!ref) delete this; }
-#error fix locking for debug
-#else
-#define DEFINE_REF(c) void c::AddRef() { eSingleLocker l(ref_lock); ++ref; } void c::Release() { { eSingleLocker l(ref_lock); --ref; } if (!ref) delete this; }
-#endif
+	#if defined(__mips__)
+		#define DECLARE_REF(x) 			\
+			private: oRefCount ref; 	\
+			public: void AddRef(); 		\
+					void Release();
+		#define DEFINE_REF(c) \
+			void c::AddRef() \
+			{ \
+				unsigned long temp; \
+				__asm__ __volatile__( \
+				"		.set	mips3		\n" \
+				"1:		ll		%0, %1		\n" \
+				"		.set	mips0		\n" \
+				"		addu	%0, 1		\n" \
+				"		.set	mips3		\n" \
+				"		sc		%0, %1		\n" \
+				"		.set	mips0		\n" \
+				"		beqz	%0, 1b		\n" \
+				: "=&r" (temp), "=m" ((int)ref) \
+				: "m" ((int)ref) \
+				: "memory"); \
+			} \
+			void c::Release() \
+			{ \
+				unsigned long temp; \
+				__asm__ __volatile__( \
+				"		.set	mips3		\n" \
+				"1:		ll		%0, %1		\n" \
+				"		.set	mips0		\n" \
+				"		subu	%0, 1		\n" \
+				"		.set	mips3		\n" \
+				"		sc		%0, %1		\n" \
+				"		.set	mips0		\n" \
+				"		beqz	%0, 1b		\n" \
+				: "=&r" (temp), "=m" ((int)ref) \
+				: "m" ((int)ref) \
+				: "memory"); \
+				if (!ref) \
+					delete this; \
+			}
+	#else
+		#define DECLARE_REF(x) 			\
+			private:oRefCount ref; 	\
+					eSingleLock ref_lock; \
+			public: void AddRef(); 		\
+					void Release();
+		#ifdef OBJECT_DEBUG
+			extern int object_total_remaining;
+			#define DEFINE_REF(c) \
+				void c::AddRef() \
+				{ \
+					eSingleLocker l(ref_lock); \
+					++object_total_remaining; \
+					++ref; \
+					eDebug("OBJECT_DEBUG " #c "+%p now %d", this, (int)ref); \
+				} \
+				void c::Release() \
+				{ \
+					{ \
+						eSingleLocker l(ref_lock); \
+						--object_total_remaining; \
+						--ref; \
+						eDebug("OBJECT_DEBUG " #c "-%p now %d", this, ref); \
+					} \
+					if (!ref) \
+						delete this; \
+				}
+				#error fix locking for debug
+		#else
+			#define DEFINE_REF(c) \
+				void c::AddRef() \
+				{ \
+					eSingleLocker l(ref_lock); \
+					++ref; \
+				} \
+				void c::Release() \
+				{ \
+					{ \
+						eSingleLocker l(ref_lock); \
+						--ref; \
+					} \
+					if (!ref) \
+						delete this; \
+				}
+		#endif
+	#endif
 #else
-#define DECLARE_REF(x) private: void AddRef(); void Release();
+	#define DECLARE_REF(x) \
+		private: \
+			void AddRef(); \
+			void Release();
 #endif
 
 #ifdef SWIG