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-rw-r--r--src/corelib/arch/qatomic_alpha.h527
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diff --git a/src/corelib/arch/qatomic_alpha.h b/src/corelib/arch/qatomic_alpha.h
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--- a/src/corelib/arch/qatomic_alpha.h
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-/****************************************************************************
-**
-** 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.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia. For licensing terms and
-** conditions see http://qt.digia.com/licensing. For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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, Digia gives you certain additional
-** rights. These rights are described in the Digia 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.
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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()
-{
- 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()
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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)
-{
- 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
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