diff -uNr qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/arch.pri qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/arch.pri
--- qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/arch.pri	2011-02-22 12:04:00.000000000 +0000
+++ qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/arch.pri	2011-10-20 20:13:05.000000000 +0000
@@ -1,5 +1,4 @@
 #
 # HP PA-RISC architecture
 #
-SOURCES += $$QT_ARCH_CPP/q_ldcw.s \
-	   $$QT_ARCH_CPP/qatomic_parisc.cpp
+SOURCES += $$QT_ARCH_CPP/qatomic_parisc.cpp
diff -uNr qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/q_ldcw.s qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/q_ldcw.s
--- qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/q_ldcw.s	2011-02-22 12:04:00.000000000 +0000
+++ qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/q_ldcw.s	1970-01-01 00:00:00.000000000 +0000
@@ -1,62 +0,0 @@
-;/****************************************************************************
-;**
-;** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-;** All rights reserved.
-;** Contact: Nokia Corporation (qt-info@nokia.com)
-;**
-;** This file is part of the QtGui module of the Qt Toolkit.
-;**
-;** $QT_BEGIN_LICENSE:LGPL$
-;** Commercial Usage
-;** Licensees holding valid Qt Commercial licenses may use this file in
-;** accordance with the Qt Commercial License Agreement provided with the
-;** Software or, alternatively, in accordance with the terms contained in
-;** a written agreement between you and Nokia.
-;**
-;** GNU Lesser General Public License Usage
-;** Alternatively, this file may be used under the terms of the GNU Lesser
-;** General Public License version 2.1 as published by the Free Software
-;** Foundation and appearing in the file LICENSE.LGPL included in the
-;** packaging of this file.  Please review the following information to
-;** ensure the GNU Lesser General Public License version 2.1 requirements
-;** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-;**
-;** In addition, as a special exception, Nokia gives you certain additional
-;** rights.  These rights are described in the Nokia Qt LGPL Exception
-;** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-;**
-;** GNU General Public License Usage
-;** Alternatively, this file may be used under the terms of the GNU
-;** General Public License version 3.0 as published by the Free Software
-;** Foundation and appearing in the file LICENSE.GPL included in the
-;** packaging of this file.  Please review the following information to
-;** ensure the GNU General Public License version 3.0 requirements will be
-;** met: http://www.gnu.org/copyleft/gpl.html.
-;**
-;** If you have questions regarding the use of this file, please contact
-;** Nokia at qt-info@nokia.com.
-;** $QT_END_LICENSE$
-;**
-;****************************************************************************/
-	.SPACE $PRIVATE$
-	.SUBSPA $DATA$,QUAD=1,ALIGN=8,ACCESS=31
-	.SUBSPA $BSS$,QUAD=1,ALIGN=8,ACCESS=31,ZERO,SORT=82
-	.SPACE $TEXT$
-	.SUBSPA $LIT$,QUAD=0,ALIGN=8,ACCESS=44
-	.SUBSPA $CODE$,QUAD=0,ALIGN=8,ACCESS=44,CODE_ONLY
-	.IMPORT $global$,DATA
-	.IMPORT $$dyncall,MILLICODE
-	.SPACE $TEXT$
-	.SUBSPA $CODE$
-
-	.align 4
-	.EXPORT q_ldcw,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR
-q_ldcw
-	.PROC
-	.CALLINFO FRAME=0,CALLS,SAVE_RP
-	.ENTRY
-	ldcw 0(%r26),%r1
-	bv %r0(%r2)
-	copy %r1,%r28
-	.EXIT
-	.PROCEND
diff -uNr qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/qatomic_parisc.cpp qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/qatomic_parisc.cpp
--- qt-everywhere-opensource-src-4.7.2.orig//src/corelib/arch/parisc/qatomic_parisc.cpp	2011-02-22 12:04:00.000000000 +0000
+++ qt-everywhere-opensource-src-4.7.2/src/corelib/arch/parisc/qatomic_parisc.cpp	2011-10-20 20:27:59.000000000 +0000
@@ -68,9 +68,19 @@
     return off ? (int *)(ulong(lock) + 16 - off) : lock;
 }
 
-extern "C" {
+static int q_ldcw(volatile int *addr) {
+
+	register int val;
+	asm volatile (
+		"	ldcwx	0(0,%2),%0	\n"
+:		"=r"(val), "+m"(*addr)
+:		"r"(addr)
+:		"memory");
+	return (val == 0);
+	
+}
 
-    int q_ldcw(volatile int *addr);
+extern "C" {
 
     void q_atomic_lock(int *lock)
     {