1 files changed, 66 insertions, 31 deletions

diff --git a/indra/llcommon/llfasttimer.h b/indra/llcommon/llfasttimer.h
index 5058a2e772..8af79c90fd 100644
--- a/indra/llcommon/llfasttimer.h
+++ b/indra/llcommon/llfasttimer.h
@@ -1,11 +1,11 @@
-/** 
+/**
  * @file llfasttimer.h
  * @brief Declaration of a fast timer.
  *
  * $LicenseInfo:firstyear=2004&license=viewergpl$
- * 
+ *
  * Copyright (c) 2004-2009, Linden Research, Inc.
- * 
+ *
  * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
@@ -13,17 +13,17 @@
  * ("Other License"), formally executed by you and Linden Lab.  Terms of
  * the GPL can be found in doc/GPL-license.txt in this distribution, or
  * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- * 
+ *
  * There are special exceptions to the terms and conditions of the GPL as
  * it is applied to this Source Code. View the full text of the exception
  * in the file doc/FLOSS-exception.txt in this software distribution, or
  * online at
  * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- * 
+ *
  * By copying, modifying or distributing this software, you acknowledge
  * that you have read and understood your obligations described above,
  * and agree to abide by those obligations.
- * 
+ *
  * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
  * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
  * COMPLETENESS OR PERFORMANCE.
@@ -39,42 +39,77 @@
 #define TIME_FAST_TIMERS 0
 
 #if LL_WINDOWS
+#define LL_INLINE __forceinline
+
+//
+// NOTE: put back in when we aren't using platform sdk anymore
+//
 // because MS has different signatures for these functions in winnt.h
 // need to rename them to avoid conflicts
-#define _interlockedbittestandset _renamed_interlockedbittestandset
-#define _interlockedbittestandreset _renamed_interlockedbittestandreset
-#include <intrin.h>
-#undef _interlockedbittestandset
-#undef _interlockedbittestandreset
+//#define _interlockedbittestandset _renamed_interlockedbittestandset
+//#define _interlockedbittestandreset _renamed_interlockedbittestandreset
+//#include <intrin.h>
+//#undef _interlockedbittestandset
+//#undef _interlockedbittestandreset
+
+//inline U32 get_cpu_clock_count_32()
+//{
+//	U64 time_stamp = __rdtsc();
+//	return (U32)(time_stamp >> 8);
+//}
+//
+//// return full timer value, *not* shifted by 8 bits
+//inline U64 get_cpu_clock_count_64()
+//{
+//	return __rdtsc();
+//}
 
-#define LL_INLINE __forceinline
 // shift off lower 8 bits for lower resolution but longer term timing
 // on 1Ghz machine, a 32-bit word will hold ~1000 seconds of timing
 inline U32 get_cpu_clock_count_32()
 {
-	U64 time_stamp = __rdtsc();
-	return (U32)(time_stamp >> 8);
+	U32 ret_val;
+	__asm
+	{
+        _emit   0x0f
+        _emit   0x31
+		shr eax,8
+		shl edx,24
+		or eax, edx
+		mov dword ptr [ret_val], eax
+	}
+    return ret_val;
 }
 
 // return full timer value, *not* shifted by 8 bits
 inline U64 get_cpu_clock_count_64()
 {
-	return __rdtsc();
+	U64 ret_val;
+	__asm
+	{
+        _emit   0x0f
+        _emit   0x31
+		mov eax,eax
+		mov edx,edx
+		mov dword ptr [ret_val+4], edx
+		mov dword ptr [ret_val], eax
+	}
+    return ret_val;
 }
 #else
 #define LL_INLINE
-#endif // LL_WINDOWS
+#endif
 
 #if (LL_LINUX || LL_SOLARIS || LL_DARWIN) && (defined(__i386__) || defined(__amd64__))
 inline U32 get_cpu_clock_count_32()
-{																	
-	U64 x;															
-	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));					
-	return (U32)x >> 8;													
+{
+	U64 x;
+	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
+	return (U32)x >> 8;
 }
 
 inline U32 get_cpu_clock_count_64()
-{																	
+{
 	U64 x;
 	__asm__ volatile (".byte 0x0f, 0x31": "=A"(x));
 	return x >> 8;
@@ -93,7 +128,7 @@ inline U32 get_cpu_clock_count_32()
 }
 
 inline U32 get_cpu_clock_count_64()
-{																	
+{
 	return get_clock_count();
 }
 #endif
@@ -123,7 +158,7 @@ public:
 	};
 
 	// stores a "named" timer instance to be reused via multiple LLFastTimer stack instances
-	class LL_COMMON_API NamedTimer 
+	class LL_COMMON_API NamedTimer
 	:	public LLInstanceTracker<NamedTimer>
 	{
 		friend class DeclareTimer;
@@ -158,7 +193,7 @@ public:
 
 		FrameState& getFrameState() const;
 
-	private: 
+	private:
 		friend class LLFastTimer;
 		friend class NamedTimerFactory;
 
@@ -169,14 +204,14 @@ public:
 		// recursive call to gather total time from children
 		static void accumulateTimings();
 
-		// updates cumulative times and hierarchy, 
+		// updates cumulative times and hierarchy,
 		// can be called multiple times in a frame, at any point
 		static void processTimes();
 
 		static void buildHierarchy();
 		static void resetFrame();
 		static void reset();
-	
+
 		//
 		// members
 		//
@@ -212,7 +247,7 @@ public:
 
 	private:
 		NamedTimer&		mTimer;
-		FrameState*		mFrameState; 
+		FrameState*		mFrameState;
 	};
 
 public:
@@ -232,7 +267,7 @@ public:
 		frame_state->mCalls++;
 		// keep current parent as long as it is active when we are
 		frame_state->mMoveUpTree |= (frame_state->mParent->mActiveCount == 0);
-	
+
 		LLFastTimer::CurTimerData* cur_timer_data = &LLFastTimer::sCurTimerData;
 		mLastTimerData = *cur_timer_data;
 		cur_timer_data->mCurTimer = this;
@@ -270,7 +305,7 @@ public:
 		U64 timer_end = get_cpu_clock_count_64();
 		sTimerCycles += timer_end - timer_start;
 		sTimerCalls++;
-#endif	
+#endif
 	}
 
 public:
@@ -286,13 +321,13 @@ public:
 	typedef std::vector<FrameState> info_list_t;
 	static info_list_t& getFrameStateList();
 
-	
+
 	// call this once a frame to reset timers
 	static void nextFrame();
 
 	// dumps current cumulative frame stats to log
 	// call nextFrame() to reset timers
-	static void dumpCurTimes(); 
+	static void dumpCurTimes();
 
 	// call this to reset timer hierarchy, averages, etc.
 	static void reset();