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Diffstat (limited to 'src/corelib/arch/qatomic_power.h')
-rw-r--r-- | src/corelib/arch/qatomic_power.h | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/src/corelib/arch/qatomic_power.h b/src/corelib/arch/qatomic_power.h deleted file mode 100644 index 3ddd303795..0000000000 --- a/src/corelib/arch/qatomic_power.h +++ /dev/null @@ -1,521 +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_POWER_H -#define QATOMIC_POWER_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) - -#ifdef Q_PROCESSOR_POWER_32 -# define _Q_VALUE "0, %[_q_value]" -# define _Q_VALUE_MEMORY_OPERAND "+m" (_q_value) -# define _Q_VALUE_REGISTER_OPERAND [_q_value] "r" (&_q_value), -#else // Q_PROCESSOR_POWER_64 -# define _Q_VALUE "%y[_q_value]" -# define _Q_VALUE_MEMORY_OPERAND [_q_value] "+Z" (_q_value) -# define _Q_VALUE_REGISTER_OPERAND -#endif - -inline bool QBasicAtomicInt::ref() -{ - int originalValue; - int newValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "addi %[newValue], %[originalValue], %[one]\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&b" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [one] "i" (1) - : "cc", "memory"); - return newValue != 0; -} - -inline bool QBasicAtomicInt::deref() -{ - int originalValue; - int newValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "addi %[newValue], %[originalValue], %[minusOne]\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&b" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [minusOne] "i" (-1) - : "cc", "memory"); - return newValue != 0; -} - -inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) -{ - int result; - asm volatile("lwarx %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+12\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue) - : "cc", "memory"); - return result == 0; -} - -inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) -{ - int result; - asm volatile("lwarx %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+16\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - "isync\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue) - : "cc", "memory"); - return result == 0; -} - -inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) -{ - int result; - asm volatile("eieio\n" - "lwarx %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+12\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue) - : "cc", "memory"); - return result == 0; -} - -inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) -{ - int originalValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) -{ - int originalValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - "isync\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) -{ - int originalValue; - asm volatile("eieio\n" - "lwarx %[originalValue]," _Q_VALUE "\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd) -{ - int originalValue; - int newValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) -{ - int originalValue; - int newValue; - asm volatile("lwarx %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - "isync\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd) - : "cc", "memory"); - return originalValue; -} - -inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) -{ - int originalValue; - int newValue; - asm volatile("eieio\n" - "lwarx %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - "stwcx. %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd) - : "cc", "memory"); - return originalValue; -} - -#ifdef Q_PROCESSOR_POWER_64 -# define LPARX "ldarx" -# define STPCX "stdcx." -#else -# define LPARX "lwarx" -# define STPCX "stwcx." -#endif - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) -{ - void *result; - asm volatile(LPARX" %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+12\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [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) -{ - void *result; - asm volatile(LPARX" %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+16\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - "isync\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [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) -{ - void *result; - asm volatile("eieio\n" - LPARX" %[result]," _Q_VALUE "\n" - "xor. %[result], %[result], %[expectedValue]\n" - "bne $+12\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-16\n" - : [result] "=&r" (result), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [expectedValue] "r" (expectedValue), - [newValue] "r" (newValue) - : "cc", "memory"); - return result == 0; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) -{ - T *originalValue; - asm volatile(LPARX" %[originalValue]," _Q_VALUE "\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) -{ - T *originalValue; - asm volatile(LPARX" %[originalValue]," _Q_VALUE "\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - "isync\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) -{ - T *originalValue; - asm volatile("eieio\n" - LPARX" %[originalValue]," _Q_VALUE "\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-8\n" - : [originalValue] "=&r" (originalValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [newValue] "r" (newValue) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) -{ - T *originalValue; - T *newValue; - asm volatile(LPARX" %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd * sizeof(T)) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) -{ - T *originalValue; - T *newValue; - asm volatile(LPARX" %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - "isync\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd * sizeof(T)) - : "cc", "memory"); - return originalValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) -{ - T *originalValue; - T *newValue; - asm volatile("eieio\n" - LPARX" %[originalValue]," _Q_VALUE "\n" - "add %[newValue], %[originalValue], %[valueToAdd]\n" - STPCX" %[newValue]," _Q_VALUE "\n" - "bne- $-12\n" - : [originalValue] "=&r" (originalValue), - [newValue] "=&r" (newValue), - _Q_VALUE_MEMORY_OPERAND - : _Q_VALUE_REGISTER_OPERAND - [valueToAdd] "r" (valueToAdd * sizeof(T)) - : "cc", "memory"); - return originalValue; -} - -#undef LPARX -#undef STPCX -#undef _Q_VALUE -#undef _Q_VALUE_MEMORY_OPERAND -#undef _Q_VALUE_REGISTER_OPERAND - -#else -# error "This compiler for Power/PowerPC is not supported" -#endif - -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_POWER_H |