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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** Alternatively, this file may be used under the terms of the GNU
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** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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#ifndef QATOMIC_ALPHA_H
#define QATOMIC_ALPHA_H

#include <QtCore/qoldbasicatomic.h>

QT_BEGIN_NAMESPACE

#if 0
// silence syncqt warnings
QT_END_NAMESPACE
QT_END_HEADER

#pragma qt_sync_skip_header_check
#pragma qt_sync_stop_processing
#endif

#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)

inline bool QBasicAtomicInt::ref()
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "addl  %0,1,%1\n" /* tmp=old+1;                              */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 :
                 : "memory");
    return old != -1;
}

inline bool QBasicAtomicInt::deref()
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "subl  %0,1,%1\n" /* tmp=old-1;                              */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 :
                 : "memory");
    return old != 1;
}

inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue)
{
    register int ret;
    asm volatile("1:\n"
                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
                 "mov   %3,%0\n"   /* ret=newval;                             */
                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue)
{
    register int ret;
    asm volatile("1:\n"
                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
                 "mov   %3,%0\n"   /* ret=newval;                             */
                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue)
{
    register int ret;
    asm volatile("mb\n"
                 "1:\n"
                 "ldl_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) ret=0; else ret=1;   */
                 "beq   %0,3f\n"   /* if (ret==0) goto 3;                     */
                 "mov   %3,%0\n"   /* ret=newval;                             */
                 "stl_c %0,%1\n"   /* if ((*ptr=ret)!=ret) ret=0; else ret=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue)
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue)
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue)
{
    register int old, tmp;
    asm volatile("mb\n"
                 "1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd)
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return old;
}

inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd)
{
    register int old, tmp;
    asm volatile("1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return old;
}

inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd)
{
    register int old, tmp;
    asm volatile("mb\n"
                 "1:\n"
                 "ldl_l %0,%2\n"   /* old=*ptr;                               */
                 "addl  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stl_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return old;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue)
{
    register void *ret;
    asm volatile("1:\n"
                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
                 "mov   %3,%0\n"   /* tmp=newval;                             */
                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue)
{
    register void *ret;
    asm volatile("1:\n"
                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
                 "mov   %3,%0\n"   /* tmp=newval;                             */
                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

template <typename T>
Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue)
{
    register void *ret;
    asm volatile("mb\n"
                 "1:\n"
                 "ldq_l %0,%1\n"   /* ret=*ptr;                               */
                 "cmpeq %0,%2,%0\n"/* if (ret==expected) tmp=0; else tmp=1;   */
                 "beq   %0,3f\n"   /* if (tmp==0) goto 3;                     */
                 "mov   %3,%0\n"   /* tmp=newval;                             */
                 "stq_c %0,%1\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %0,2f\n"   /* if (ret==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (ret), "+m" (_q_value)
                 : "r" (expectedValue), "r" (newValue)
                 : "memory");
    return ret != 0;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue)
{
    register T *old, *tmp;
    asm volatile("1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue)
{
    register T *old, *tmp;
    asm volatile("1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue)
{
    register T *old, *tmp;
    asm volatile("mb\n"
                 "1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "mov   %3,%1\n"   /* tmp=newval;                             */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp==0) goto 2;                     */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m" (_q_value)
                 : "r" (newValue)
                 : "memory");
    return old;
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd)
{
    register T *old, *tmp;
    asm volatile("1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return reinterpret_cast<T *>(old);
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd)
{
    register T *old, *tmp;
    asm volatile("1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 "mb\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return reinterpret_cast<T *>(old);
}

template <typename T>
Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd)
{
    register T *old, *tmp;
    asm volatile("mb\n"
                 "1:\n"
                 "ldq_l %0,%2\n"   /* old=*ptr;                               */
                 "addq  %0,%3,%1\n"/* tmp=old+value;                          */
                 "stq_c %1,%2\n"   /* if ((*ptr=tmp)!=tmp) tmp=0; else tmp=1; */
                 "beq   %1,2f\n"   /* if (tmp == 0) goto 2;                   */
                 "br    3f\n"      /* goto 3;                                 */
                 "2: br 1b\n"      /* goto 1;                                 */
                 "3:\n"
                 : "=&r" (old), "=&r" (tmp), "+m"(_q_value)
                 : "r" (valueToAdd)
                 : "memory");
    return reinterpret_cast<T *>(old);
}

#else
# error "This compiler for Alpha is not supported"
#endif // Q_CC_GNU

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

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

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

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>::fetchAndStoreOrdered(T *newValue)
{
    return fetchAndStoreAcquire(newValue);
}

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

QT_END_NAMESPACE

#endif // QATOMIC_ALPHA_H