diff options
Diffstat (limited to 'src/corelib/arch/qatomic_alpha.h')
-rw-r--r-- | src/corelib/arch/qatomic_alpha.h | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/src/corelib/arch/qatomic_alpha.h b/src/corelib/arch/qatomic_alpha.h deleted file mode 100644 index 5008a1acda..0000000000 --- a/src/corelib/arch/qatomic_alpha.h +++ /dev/null @@ -1,527 +0,0 @@ -/**************************************************************************** -** -** 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 |