/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the 
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QATOMIC_MIPS_H
#define QATOMIC_MIPS_H

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE

inline bool QBasicAtomicInt::isReferenceCountingNative()
{ return true; }
inline bool QBasicAtomicInt::isReferenceCountingWaitFree()
{ return false; }

#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE

inline bool QBasicAtomicInt::isTestAndSetNative()
{ return true; }
inline bool QBasicAtomicInt::isTestAndSetWaitFree()
{ return false; }

#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE

inline bool QBasicAtomicInt::isFetchAndStoreNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndStoreWaitFree()
{ return false; }

#define Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE

inline bool QBasicAtomicInt::isFetchAndAddNative()
{ return true; }
inline bool QBasicAtomicInt::isFetchAndAddWaitFree()
{ return false; }

#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree()
{ return false; }

#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree()
{ return false; }

#define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddNative()
{ return true; }
template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndAddWaitFree()
{ return false; }

#if defined(Q_CC_GNU) && !defined(Q_OS_IRIX)

#if _MIPS_SIM == _ABIO32
#define SET_MIPS2 ".set mips2\n\t"
#else
#define SET_MIPS2
#endif

inline bool QBasicAtomicInt::ref()
{
    register int originalValue;
    register int newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "addiu %[newValue], %[originalValue], %[one]\n"
                 "sc %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [one] "i" (1)
                 : "cc", "memory");
    return originalValue != -1;
}

inline bool QBasicAtomicInt::deref()
{
    register int originalValue;
    register int newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "addiu %[newValue], %[originalValue], %[minusOne]\n"
                 "sc %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [minusOne] "i" (-1)
                 : "cc", "memory");
    return originalValue != 1;
}

inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
{
    register int result;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
{
    register int result;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
{
    register int result;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 "ll %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
{
    return testAndSetAcquire(expectedValue, newValue);
}

inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
{
    register int originalValue;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
    register int originalValue;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
    register int originalValue;
    register int tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 "sc %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
{
    return fetchAndStoreAcquire(newValue);
}

inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
    register int originalValue;
    register int newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 "sc %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
    register int originalValue;
    register int newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 "sc %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
    register int originalValue;
    register int newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 "ll %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 "sc %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd)
                 : "cc", "memory");
    return originalValue;
}

inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
{
    return fetchAndAddAcquire(valueToAdd);
}

#if defined(__LP64__)
#  define LLP "lld"
#  define SCP "scd"
#else
#  define LLP "ll"
#  define SCP "sc"
#endif

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
{
    register T *result;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
{
    register T *result;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
{
    register T *result;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 LLP" %[result], %[_q_value]\n"
                 "xor %[result], %[result], %[expectedValue]\n"
                 "bnez %[result], 0f\n"
                 "nop\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "0:\n"
                 ".set pop\n"
                 : [result] "=&r" (result),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [expectedValue] "r" (expectedValue),
                   [newValue] "r" (newValue)
                 : "cc", "memory");
    return result == 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
{
    return testAndSetAcquire(expectedValue, newValue);
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
{
    register T *originalValue;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
    register T *originalValue;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
    register T *originalValue;
    register T *tempValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "move %[tempValue], %[newValue]\n"
                 SCP" %[tempValue], %[_q_value]\n"
                 "beqz %[tempValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [tempValue] "=&r" (tempValue),
                   [_q_value] "+m" (_q_value)
                 : [newValue] "r" (newValue)
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
{
    return fetchAndStoreAcquire(newValue);
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
    register T *originalValue;
    register T *newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 SCP" %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
    register T *originalValue;
    register T *newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 SCP" %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 "sync\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
    register T *originalValue;
    register T *newValue;
    asm volatile(".set push\n"
                 SET_MIPS2
                 "sync\n"
                 "0:\n"
                 LLP" %[originalValue], %[_q_value]\n"
                 "addu %[newValue], %[originalValue], %[valueToAdd]\n"
                 SCP" %[newValue], %[_q_value]\n"
                 "beqz %[newValue], 0b\n"
                 "nop\n"
                 ".set pop\n"
                 : [originalValue] "=&r" (originalValue),
                   [_q_value] "+m" (_q_value),
                   [newValue] "=&r" (newValue)
                 : [valueToAdd] "r" (valueToAdd * sizeof(T))
                 : "cc", "memory");
    return originalValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
    return fetchAndAddAcquire(valueToAdd);
}

#else // !Q_CC_GNU

extern "C" {
    Q_CORE_EXPORT int q_atomic_test_and_set_int(volatile int *ptr, int expected, int newval);
    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_int(volatile int *ptr, int expected, int newval);
    Q_CORE_EXPORT int q_atomic_test_and_set_release_int(volatile int *ptr, int expected, int newval);
    Q_CORE_EXPORT int q_atomic_test_and_set_ptr(volatile void *ptr, void *expected, void *newval);
    Q_CORE_EXPORT int q_atomic_test_and_set_acquire_ptr(volatile void *ptr, void *expected, void *newval);
    Q_CORE_EXPORT int q_atomic_test_and_set_release_ptr(volatile void *ptr, void *expected, void *newval);
} // extern "C"

inline bool QBasicAtomicInt::ref()
{
    register int expected;
    for (;;) {
        expected = _q_value;
        if (q_atomic_test_and_set_int(&_q_value, expected, expected + 1))
            break;
    }
    return expected != -1;
}

inline bool QBasicAtomicInt::deref()
{
    register int expected;
    for (;;) {
        expected = _q_value;
        if (q_atomic_test_and_set_int(&_q_value, expected, expected - 1))
            break;
    }
    return expected != 1;
}

inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
{
    return q_atomic_test_and_set_int(&_q_value, expectedValue, newValue) != 0;
}

inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
{
    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
}

inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
{
    return q_atomic_test_and_set_release_int(&_q_value, expectedValue, newValue) != 0;
}

inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue)
{
    return q_atomic_test_and_set_acquire_int(&_q_value, expectedValue, newValue) != 0;
}

inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetRelaxed(returnValue, newValue))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetAcquire(returnValue, newValue))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetRelease(returnValue, newValue))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetOrdered(returnValue, newValue))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetRelease(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd)
{
    int returnValue;
    for (;;) {
        returnValue = _q_value;
        if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
{
    return q_atomic_test_and_set_ptr(&_q_value, expectedValue, newValue) != 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
{
    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
{
    return q_atomic_test_and_set_release_ptr(&_q_value, expectedValue, newValue) != 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue)
{
    return q_atomic_test_and_set_acquire_ptr(&_q_value, expectedValue, newValue) != 0;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetRelaxed(returnValue, newValue))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetAcquire(returnValue, newValue))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetRelease(returnValue, newValue))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetOrdered(returnValue, newValue))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetRelaxed(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE
T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetAcquire(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetRelease(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd)
{
    T *returnValue;
    for (;;) {
        returnValue = (_q_value);
        if (testAndSetOrdered(returnValue, returnValue + valueToAdd))
            break;
    }
    return returnValue;
}

#endif // Q_CC_GNU

QT_END_NAMESPACE

QT_END_HEADER

#endif // QATOMIC_MIPS_H
