Merge branch 'misc-speedups'

* misc-speedups:
  fixed and reenabled and slightly optimized the JIT version of fcmpo/fcmpu.
  slightly more precise speed percent display (this is really minor)
  a small thread synchronization speedup for dual core mode. it's most noticeable in games where the CPU is running behind compared to the GPU.

Conflicts:
	Source/Core/Core/Src/PowerPC/Jit64/Jit.cpp

The Fifo.cpp changes from rdaefb3b550e2 was not merged as there was no performance benefit.

Source/Core/Common/Src/StdThread.h

@@ -281,7 +281,7 @@ namespace this_thread
 inline void yield()
 {
 #ifdef _WIN32
-	Sleep(0);
+	SwitchToThread();
 #else
 	sleep(0);
 #endif