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/GetInterruptState.s

@@ -0,0 +1,27 @@
+/// @file
+///   Retrieve of the interrupt state of the running processor for the Itanium
+///   architecture.
+///
+/// Copyright (c) 2006, Intel Corporation
+/// All rights reserved. This program and the accompanying materials
+/// are licensed and made available under the terms and conditions of the BSD License
+/// which accompanies this distribution.  The full text of the license may be found at
+/// http://opensource.org/licenses/bsd-license.php
+///
+/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+///
+/// Module Name:  GetInterruptState.s
+///
+///
+
+.auto
+.text
+
+.proc   GetInterruptState
+.type   GetInterruptState, @function
+GetInterruptState::
+        mov                 r8  = psr
+        dep.z               r8  = r8, 14, 1
+        br.ret.sptk.many    b0
+.endp   GetInterruptState