xrCPU_Pipe: __asm pause replaced by _mm_pause.

bugtrap: added __asm code replacement for x64.

Author: imdex

code/3rd-party/bugtrap/SymEngine.cpp

@@ -1165,6 +1165,7 @@ BOOL CSymEngine::InitStackTrace(LPSTACKFRAME64 pStackFrame)
 		if (! GetThreadContext(hThread, &m_StartExceptionContext))
 			return FALSE;
 */
+#ifdef _M_IX86
 		__asm
 		{
 			push eax
@@ -1222,6 +1223,11 @@ BOOL CSymEngine::InitStackTrace(LPSTACKFRAME64 pStackFrame)
 			pop edi
 			pop eax
 		}
+#elif defined(_M_IX64)
+        RtlCaptureContext(&m_StartExceptionContext);
+#else
+#   error "Unsupported architecture"
+#endif
 	}
 
 	ZeroMemory(pStackFrame, sizeof(*pStackFrame));
@@ -2715,10 +2721,16 @@ BOOL CSymEngine::GetNextStackTraceEntry(CStackTraceEntry& rEntry)
 	if (hModule != NULL)
 		GetModuleFileName(hModule, rEntry.m_szModule, countof(rEntry.m_szModule));
 	DWORD64 dwExceptionAddress = m_swContext.m_stFrame.AddrPC.Offset;
-	WORD wExceptionSegment; // wExceptionSegment = m_swContext.m_stFrame.AddrPC.Segment;
-	__asm { mov word ptr [wExceptionSegment], cs }
+    WORD wExceptionSegment = m_swContext.m_stFrame.AddrPC.Segment;
+#ifdef _M_IX86
 	_stprintf_s(rEntry.m_szAddress, countof(rEntry.m_szAddress),
-	            _T("%04lX:%08llu"), wExceptionSegment, dwExceptionAddress);
+	            _T("%04lX:%08I64X"), wExceptionSegment, dwExceptionAddress);
+#elif defined(_M_IX64)
+    _stprintf_s(rEntry.m_szAddress, countof(rEntry.m_szAddress),
+                _T("%04lX:%016lX"), wExceptionSegment, dwExceptionAddress);
+#else
+#   error "Unsupported architecture"
+#endif
 
 	BYTE arrSymBuffer[512];
 	ZeroMemory(arrSymBuffer, sizeof(arrSymBuffer));

code/engine/xrCPU_Pipe/ttapi.cpp

@@ -121,7 +121,7 @@ DWORD ttapi_Init( processor_info* ID )
 	for ( i = 0 ; i < dwNumIter ; ++i ) {
 		if ( dwDummy == 0 )
 			goto process1;
-		__asm pause;
+        _mm_pause();
 	}
 	process1:
 	QueryPerformanceCounter( &liEnd );
@@ -244,7 +244,7 @@ VOID ttapi_RunAllWorkers()
 		// Waiting task queue to become empty
 		//Start = __rdtsc();
 		while( ttapi_queue_size.size )
-			__asm pause;
+            _mm_pause();
 		//Stop = __rdtsc();
 		//Msg( "Wait: %u ticks" , Stop - Start );