1. Simplified PalCallStatic.s's by removing unnecessary condition testings.

2. Fixed a logical error in Synchronization.c which caused InterlockedIncrement() and InterlockedDecrement() to hang.
3. Replaced the pseudo-implementation of GetInterruptState() with a real version.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@793 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseLib/Ipf/CpuBreakpoint.c

@@ -97,25 +97,6 @@ EnableInterrupts (
   _enable ();
 }
 
-/**
-  Retrieves the current CPU interrupt state.
-
-  Retrieves the current CPU interrupt state. Returns TRUE is interrupts are
-  currently enabled. Otherwise returns FALSE.
-
-  @retval TRUE  CPU interrupts are enabled.
-  @retval FALSE CPU interrupts are disabled.
-
-**/
-BOOLEAN
-EFIAPI
-GetInterruptState (
-  VOID
-  )
-{
-  return FALSE;
-}
-
 /**
   Enables CPU interrupts for the smallest window required to capture any
   pending interrupts.