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diff -up qt-everywhere-opensource-src-4.8.0/src/corelib/arch/qatomic_s390.h.s390-atomic qt-everywhere-opensource-src-4.8.0/src/corelib/arch/qatomic_s390.h
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--- qt-everywhere-opensource-src-4.8.0/src/corelib/arch/qatomic_s390.h.s390-atomic	2011-12-18 16:15:20.000000000 +0100
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+++ qt-everywhere-opensource-src-4.8.0/src/corelib/arch/qatomic_s390.h	2011-12-18 16:17:34.000000000 +0100
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@@ -400,6 +400,16 @@ Q_INLINE_TEMPLATE T* QBasicAtomicPointer
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 template <typename T>
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+Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
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+{
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+#ifndef __s390x__
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+    return (T *)__CS_OLD_LOOP(&_q_value, valueToAdd * sizeof(T), "ar", "", "bcr 15,0\n");
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+#else
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+    return (T *)__CSG_OLD_LOOP(&_q_value, valueToAdd * sizeof(T), "agr", "", "bcr 15,0\n");
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+#endif
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+}
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+
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+template <typename T>
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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
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 {
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     return fetchAndAddOrdered(valueToAdd);