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author | Michele Calgaro <[email protected]> | 2019-04-27 20:19:31 +0900 |
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committer | Michele Calgaro <[email protected]> | 2019-04-27 20:19:31 +0900 |
commit | c753c65cf7616665d669ea169c875c60eab69e51 (patch) | |
tree | a0814b9cb714abec02c37ef21ff90afdd946817d /qtinterface/qt4/Qt/qatomic_ia64.h | |
parent | e9596b5b63d8c4303da0b50e63c0056899dafb27 (diff) | |
download | tqtinterface-c753c65cf7616665d669ea169c875c60eab69e51.tar.gz tqtinterface-c753c65cf7616665d669ea169c875c60eab69e51.zip |
Dropped unused code.
Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'qtinterface/qt4/Qt/qatomic_ia64.h')
-rw-r--r-- | qtinterface/qt4/Qt/qatomic_ia64.h | 813 |
1 files changed, 0 insertions, 813 deletions
diff --git a/qtinterface/qt4/Qt/qatomic_ia64.h b/qtinterface/qt4/Qt/qatomic_ia64.h deleted file mode 100644 index fd71657..0000000 --- a/qtinterface/qt4/Qt/qatomic_ia64.h +++ /dev/null @@ -1,813 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation ([email protected]) -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial Usage -** Licensees holding valid Qt Commercial licenses may use this file in -** accordance with the Qt Commercial License Agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Nokia. -** -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at [email protected]. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QATOMIC_IA64_H -#define QATOMIC_IA64_H - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE -#define Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE - -inline bool QBasicAtomicInt::isReferenceCountingNative() -{ return true; } -inline bool QBasicAtomicInt::isReferenceCountingWaitFree() -{ return true; } - -#define Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE -#define Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE - -inline bool QBasicAtomicInt::isTestAndSetNative() -{ return true; } -inline bool QBasicAtomicInt::isTestAndSetWaitFree() -{ return true; } - -#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE -#define Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE - -inline bool QBasicAtomicInt::isFetchAndStoreNative() -{ return true; } -inline bool QBasicAtomicInt::isFetchAndStoreWaitFree() -{ return true; } - -#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 -#define Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetNative() -{ return true; } -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isTestAndSetWaitFree() -{ return true; } - -#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE -#define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreNative() -{ return true; } -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::isFetchAndStoreWaitFree() -{ return true; } - -#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; } - -inline bool _q_ia64_fetchadd_immediate(register int value) -{ - return value == 1 || value == -1 - || value == 4 || value == -4 - || value == 8 || value == -8 - || value == 16 || value == -16; -} - -#if defined(Q_CC_INTEL) - -// intrinsics provided by the Intel C++ Compiler -#include <ia64intrin.h> - -inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) -{ - return static_cast<int>(_InterlockedExchange(&_q_value, newValue)); -} - -inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) -{ - __memory_barrier(); - return static_cast<int>(_InterlockedExchange(&_q_value, newValue)); -} - -inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) -{ - register int expectedValueCopy = expectedValue; - return (static_cast<int>(_InterlockedCompareExchange(&_q_value, - newValue, - expectedValueCopy)) - == expectedValue); -} - -inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) -{ - register int expectedValueCopy = expectedValue; - return (static_cast<int>(_InterlockedCompareExchange_acq(reinterpret_cast<volatile uint *>(&_q_value), - newValue, - expectedValueCopy)) - == expectedValue); -} - -inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) -{ - register int expectedValueCopy = expectedValue; - return (static_cast<int>(_InterlockedCompareExchange_rel(reinterpret_cast<volatile uint *>(&_q_value), - newValue, - expectedValueCopy)) - == expectedValue); -} - -inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) -{ - __memory_barrier(); - return testAndSetAcquire(expectedValue, newValue); -} - -inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) -{ - if (__builtin_constant_p(valueToAdd)) { - if (valueToAdd == 1) - return __fetchadd4_acq((unsigned int *)&_q_value, 1); - if (valueToAdd == -1) - return __fetchadd4_acq((unsigned int *)&_q_value, -1); - } - return _InterlockedExchangeAdd(&_q_value, valueToAdd); -} - -inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) -{ - if (__builtin_constant_p(valueToAdd)) { - if (valueToAdd == 1) - return __fetchadd4_rel((unsigned int *)&_q_value, 1); - if (valueToAdd == -1) - return __fetchadd4_rel((unsigned int *)&_q_value, -1); - } - __memory_barrier(); - return _InterlockedExchangeAdd(&_q_value, valueToAdd); -} - -inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) -{ - __memory_barrier(); - return fetchAndAddAcquire(valueToAdd); -} - -inline bool QBasicAtomicInt::ref() -{ - return _InterlockedIncrement(&_q_value) != 0; -} - -inline bool QBasicAtomicInt::deref() -{ - return _InterlockedDecrement(&_q_value) != 0; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) -{ - return (T *)_InterlockedExchangePointer(reinterpret_cast<void * volatile*>(&_q_value), newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) -{ - __memory_barrier(); - return fetchAndStoreAcquire(newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) -{ - register T *expectedValueCopy = expectedValue; - return (_InterlockedCompareExchangePointer(reinterpret_cast<void * volatile*>(&_q_value), - newValue, - expectedValueCopy) - == expectedValue); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) -{ - union { - volatile void *x; - volatile unsigned long *p; - }; - x = &_q_value; - register T *expectedValueCopy = expectedValue; - return (_InterlockedCompareExchange64_acq(p, quintptr(newValue), quintptr(expectedValueCopy)) - == quintptr(expectedValue)); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) -{ - union { - volatile void *x; - volatile unsigned long *p; - }; - x = &_q_value; - register T *expectedValueCopy = expectedValue; - return (_InterlockedCompareExchange64_rel(p, quintptr(newValue), quintptr(expectedValueCopy)) - == quintptr(expectedValue)); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) -{ - __memory_barrier(); - return testAndSetAcquire(expectedValue, newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) -{ - return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value, - valueToAdd * sizeof(T)); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) -{ - __memory_barrier(); - return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value, - valueToAdd * sizeof(T)); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) -{ - __memory_barrier(); - return fetchAndAddAcquire(valueToAdd); -} - -#else // !Q_CC_INTEL - -# if defined(Q_CC_GNU) - -inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) -{ - int ret; - asm volatile("xchg4 %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "r" (newValue) - : "memory"); - return ret; -} - -inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) -{ - int ret; - asm volatile("mf\n" - "xchg4 %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "r" (newValue) - : "memory"); - return ret; -} - -inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) -{ - int ret; - asm volatile("mov ar.ccv=%2\n" - ";;\n" - "cmpxchg4.acq %0=%1,%3,ar.ccv\n" - : "=r" (ret), "+m" (_q_value) - : "r" (expectedValue), "r" (newValue) - : "memory"); - return ret == expectedValue; -} - -inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) -{ - int ret; - asm volatile("mov ar.ccv=%2\n" - ";;\n" - "cmpxchg4.rel %0=%1,%3,ar.ccv\n" - : "=r" (ret), "+m" (_q_value) - : "r" (expectedValue), "r" (newValue) - : "memory"); - return ret == expectedValue; -} - -inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) -{ - int ret; - -#if (__GNUC__ >= 4) - // We implement a fast fetch-and-add when we can - if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd)) { - asm volatile("fetchadd4.acq %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "i" (valueToAdd) - : "memory"); - return ret; - } -#endif - - // otherwise, use a loop around test-and-set - ret = _q_value; - asm volatile("0:\n" - " mov r9=%0\n" - " mov ar.ccv=%0\n" - " add %0=%0, %2\n" - " ;;\n" - " cmpxchg4.acq %0=%1,%0,ar.ccv\n" - " ;;\n" - " cmp.ne p6,p0 = %0, r9\n" - "(p6) br.dptk 0b\n" - "1:\n" - : "+r" (ret), "+m" (_q_value) - : "r" (valueToAdd) - : "r9", "p6", "memory"); - return ret; -} - -inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) -{ - int ret; - -#if (__GNUC__ >= 4) - // We implement a fast fetch-and-add when we can - if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd)) { - asm volatile("fetchadd4.rel %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "i" (valueToAdd) - : "memory"); - return ret; - } -#endif - - // otherwise, use a loop around test-and-set - ret = _q_value; - asm volatile("0:\n" - " mov r9=%0\n" - " mov ar.ccv=%0\n" - " add %0=%0, %2\n" - " ;;\n" - " cmpxchg4.rel %0=%1,%0,ar.ccv\n" - " ;;\n" - " cmp.ne p6,p0 = %0, r9\n" - "(p6) br.dptk 0b\n" - "1:\n" - : "+r" (ret), "+m" (_q_value) - : "r" (valueToAdd) - : "r9", "p6", "memory"); - return ret; -} - -inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) -{ - asm volatile("mf" ::: "memory"); - return fetchAndAddRelease(valueToAdd); -} - -inline bool QBasicAtomicInt::ref() -{ - int ret; - asm volatile("fetchadd4.acq %0=%1,1\n" - : "=r" (ret), "+m" (_q_value) - : - : "memory"); - return ret != -1; -} - -inline bool QBasicAtomicInt::deref() -{ - int ret; - asm volatile("fetchadd4.rel %0=%1,-1\n" - : "=r" (ret), "+m" (_q_value) - : - : "memory"); - return ret != 1; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) -{ - T *ret; - asm volatile("xchg8 %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "r" (newValue) - : "memory"); - return ret; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) -{ - T *ret; - asm volatile("mf\n" - "xchg8 %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "r" (newValue) - : "memory"); - return ret; -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) -{ - T *ret; - asm volatile("mov ar.ccv=%2\n" - ";;\n" - "cmpxchg8.acq %0=%1,%3,ar.ccv\n" - : "=r" (ret), "+m" (_q_value) - : "r" (expectedValue), "r" (newValue) - : "memory"); - return ret == expectedValue; -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) -{ - T *ret; - asm volatile("mov ar.ccv=%2\n" - ";;\n" - "cmpxchg8.rel %0=%1,%3,ar.ccv\n" - : "=r" (ret), "+m" (_q_value) - : "r" (expectedValue), "r" (newValue) - : "memory"); - return ret == expectedValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) -{ - T *ret; - -#if (__GNUC__ >= 4) - // We implement a fast fetch-and-add when we can - if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd * sizeof(T))) { - asm volatile("fetchadd8.acq %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "i" (valueToAdd * sizeof(T)) - : "memory"); - return ret; - } -#endif - - // otherwise, use a loop around test-and-set - ret = _q_value; - asm volatile("0:\n" - " mov r9=%0\n" - " mov ar.ccv=%0\n" - " add %0=%0, %2\n" - " ;;\n" - " cmpxchg8.acq %0=%1,%0,ar.ccv\n" - " ;;\n" - " cmp.ne p6,p0 = %0, r9\n" - "(p6) br.dptk 0b\n" - "1:\n" - : "+r" (ret), "+m" (_q_value) - : "r" (valueToAdd * sizeof(T)) - : "r9", "p6", "memory"); - return ret; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) -{ - T *ret; - -#if (__GNUC__ >= 4) - // We implement a fast fetch-and-add when we can - if (__builtin_constant_p(valueToAdd) && _q_ia64_fetchadd_immediate(valueToAdd * sizeof(T))) { - asm volatile("fetchadd8.rel %0=%1,%2\n" - : "=r" (ret), "+m" (_q_value) - : "i" (valueToAdd * sizeof(T)) - : "memory"); - return ret; - } -#endif - - // otherwise, use a loop around test-and-set - ret = _q_value; - asm volatile("0:\n" - " mov r9=%0\n" - " mov ar.ccv=%0\n" - " add %0=%0, %2\n" - " ;;\n" - " cmpxchg8.rel %0=%1,%0,ar.ccv\n" - " ;;\n" - " cmp.ne p6,p0 = %0, r9\n" - "(p6) br.dptk 0b\n" - "1:\n" - : "+r" (ret), "+m" (_q_value) - : "r" (valueToAdd * sizeof(T)) - : "r9", "p6", "memory"); - return ret; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) -{ - asm volatile("mf" ::: "memory"); - return fetchAndAddRelease(valueToAdd); -} - -#elif defined Q_CC_HPACC - -QT_BEGIN_INCLUDE_NAMESPACE -#include <ia64/sys/inline.h> -QT_END_INCLUDE_NAMESPACE - -#define FENCE (_Asm_fence)(_UP_CALL_FENCE | _UP_SYS_FENCE | _DOWN_CALL_FENCE | _DOWN_SYS_FENCE) - -inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) -{ - return _Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (unsigned)newValue, - (_Asm_ldhint)_LDHINT_NONE, FENCE); -} - -inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) -{ - _Asm_mf(FENCE); - return _Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (unsigned)newValue, - (_Asm_ldhint)_LDHINT_NONE, FENCE); -} - -inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) -{ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)expectedValue, FENCE); - int ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, (unsigned)newValue, (_Asm_ldhint)_LDHINT_NONE); - return ret == expectedValue; -} - -inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) -{ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)expectedValue, FENCE); - int ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL, - &_q_value, newValue, (_Asm_ldhint)_LDHINT_NONE); - return ret == expectedValue; -} - -inline int QBasicAtomicInt::fetchAndAddAcquire(int valueToAdd) -{ - if (valueToAdd == 1) - return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE); - else if (valueToAdd == -1) - return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE); - - // implement the test-and-set loop - register int old, ret; - do { - old = _q_value; - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)old, FENCE); - ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, old + valueToAdd, (_Asm_ldhint)_LDHINT_NONE); - } while (ret != old); - return old; -} - -inline int QBasicAtomicInt::fetchAndAddRelease(int valueToAdd) -{ - if (valueToAdd == 1) - return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL, - &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE); - else if (valueToAdd == -1) - return _Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL, - &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE); - - // implement the test-and-set loop - register int old, ret; - do { - old = _q_value; - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (unsigned)old, FENCE); - ret = _Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL, - &_q_value, old + valueToAdd, (_Asm_ldhint)_LDHINT_NONE); - } while (ret != old); - return old; -} - -inline int QBasicAtomicInt::fetchAndAddOrdered(int valueToAdd) -{ - _Asm_mf(FENCE); - return fetchAndAddAcquire(valueToAdd); -} - -inline bool QBasicAtomicInt::ref() -{ - return (int)_Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, 1, (_Asm_ldhint)_LDHINT_NONE, FENCE) != -1; -} - -inline bool QBasicAtomicInt::deref() -{ - return (int)_Asm_fetchadd((_Asm_fasz)_FASZ_W, (_Asm_sem)_SEM_REL, - &_q_value, -1, (_Asm_ldhint)_LDHINT_NONE, FENCE) != 1; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreAcquire(T *newValue) -{ -#ifdef __LP64__ - return (T *)_Asm_xchg((_Asm_sz)_SZ_D, &_q_value, (quint64)newValue, - (_Asm_ldhint)_LDHINT_NONE, FENCE); -#else - return (T *)_Asm_xchg((_Asm_sz)_SZ_W, &_q_value, (quint32)newValue, - (_Asm_ldhint)_LDHINT_NONE, FENCE); -#endif -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelease(T *newValue) -{ - _Asm_mf(FENCE); - return fetchAndStoreAcquire(newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetAcquire(T *expectedValue, T *newValue) -{ -#ifdef __LP64__ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)expectedValue, FENCE); - T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_ACQ, - &_q_value, (quint64)newValue, (_Asm_ldhint)_LDHINT_NONE); -#else - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)expectedValue, FENCE); - T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, (quint32)newValue, (_Asm_ldhint)_LDHINT_NONE); -#endif - return ret == expectedValue; -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelease(T *expectedValue, T *newValue) -{ -#ifdef __LP64__ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)expectedValue, FENCE); - T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_REL, - &_q_value, (quint64)newValue, (_Asm_ldhint)_LDHINT_NONE); -#else - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)expectedValue, FENCE); - T *ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL, - &_q_value, (quint32)newValue, (_Asm_ldhint)_LDHINT_NONE); -#endif - return ret == expectedValue; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddAcquire(qptrdiff valueToAdd) -{ - // implement the test-and-set loop - register T *old, *ret; - do { - old = _q_value; -#ifdef __LP64__ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)old, FENCE); - ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_ACQ, - &_q_value, (quint64)(old + valueToAdd), - (_Asm_ldhint)_LDHINT_NONE); -#else - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)old, FENCE); - ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_ACQ, - &_q_value, (quint32)(old + valueToAdd), - (_Asm_ldhint)_LDHINT_NONE); -#endif - } while (old != ret); - return old; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelease(qptrdiff valueToAdd) -{ - // implement the test-and-set loop - register T *old, *ret; - do { - old = _q_value; -#ifdef __LP64__ - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint64)old, FENCE); - ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_D, (_Asm_sem)_SEM_REL, - &_q_value, (quint64)(old + valueToAdd), - (_Asm_ldhint)_LDHINT_NONE); -#else - _Asm_mov_to_ar((_Asm_app_reg)_AREG_CCV, (quint32)old, FENCE); - ret = (T *)_Asm_cmpxchg((_Asm_sz)_SZ_W, (_Asm_sem)_SEM_REL, - &_q_value, (quint32)(old + valueToAdd), - (_Asm_ldhint)_LDHINT_NONE); -#endif - } while (old != ret); - return old; -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddOrdered(qptrdiff valueToAdd) -{ - _Asm_mf(FENCE); - return fetchAndAddAcquire(valueToAdd); -} - -#else - -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_ptr(volatile void *ptr, void *expected, void *newval); -} // extern "C" - -#endif - -inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) -{ - return testAndSetAcquire(expectedValue, newValue); -} - -inline bool QBasicAtomicInt::testAndSetOrdered(int expectedValue, int newValue) -{ - return testAndSetAcquire(expectedValue, newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetRelaxed(T *expectedValue, T *newValue) -{ - return testAndSetAcquire(expectedValue, newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE bool QBasicAtomicPointer<T>::testAndSetOrdered(T *expectedValue, T *newValue) -{ - return testAndSetAcquire(expectedValue, newValue); -} - -#endif // Q_CC_INTEL - -inline int QBasicAtomicInt::fetchAndStoreRelaxed(int newValue) -{ - return fetchAndStoreAcquire(newValue); -} - -inline int QBasicAtomicInt::fetchAndStoreOrdered(int newValue) -{ - return fetchAndStoreRelease(newValue); -} - -inline int QBasicAtomicInt::fetchAndAddRelaxed(int valueToAdd) -{ - return fetchAndAddAcquire(valueToAdd); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreRelaxed(T *newValue) -{ - return fetchAndStoreAcquire(newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndStoreOrdered(T *newValue) -{ - return fetchAndStoreRelaxed(newValue); -} - -template <typename T> -Q_INLINE_TEMPLATE T *QBasicAtomicPointer<T>::fetchAndAddRelaxed(qptrdiff valueToAdd) -{ - return fetchAndAddAcquire(valueToAdd); -} - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // QATOMIC_IA64_H |