/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: http://www.qt-project.org/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** 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. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isTestAndSetWaitFree() { return true; } #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE #define Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndStoreWaitFree() { return true; } #define Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::isFetchAndAddNative() { return true; } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 inline int QBasicAtomicInt::fetchAndStoreAcquire(int newValue) { return static_cast(_InterlockedExchange(&_q_value, newValue)); } inline int QBasicAtomicInt::fetchAndStoreRelease(int newValue) { __memory_barrier(); return static_cast(_InterlockedExchange(&_q_value, newValue)); } inline bool QBasicAtomicInt::testAndSetRelaxed(int expectedValue, int newValue) { register int expectedValueCopy = expectedValue; return (static_cast(_InterlockedCompareExchange(&_q_value, newValue, expectedValueCopy)) == expectedValue); } inline bool QBasicAtomicInt::testAndSetAcquire(int expectedValue, int newValue) { register int expectedValueCopy = expectedValue; return (static_cast(_InterlockedCompareExchange_acq(reinterpret_cast(&_q_value), newValue, expectedValueCopy)) == expectedValue); } inline bool QBasicAtomicInt::testAndSetRelease(int expectedValue, int newValue) { register int expectedValueCopy = expectedValue; return (static_cast(_InterlockedCompareExchange_rel(reinterpret_cast(&_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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreAcquire(T *newValue) { return (T *)_InterlockedExchangePointer(reinterpret_cast(&_q_value), newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelease(T *newValue) { __memory_barrier(); return fetchAndStoreAcquire(newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelaxed(T *expectedValue, T *newValue) { register T *expectedValueCopy = expectedValue; return (_InterlockedCompareExchangePointer(reinterpret_cast(&_q_value), newValue, expectedValueCopy) == expectedValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetOrdered(T *expectedValue, T *newValue) { __memory_barrier(); return testAndSetAcquire(expectedValue, newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddAcquire(qptrdiff valueToAdd) { return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value, valueToAdd * sizeof(T)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelease(qptrdiff valueToAdd) { __memory_barrier(); return (T *)_InterlockedExchangeAdd64((volatile long *)&_q_value, valueToAdd * sizeof(T)); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreAcquire(T *newValue) { T *ret; asm volatile("xchg8 %0=%1,%2\n" : "=r" (ret), "+m" (_q_value) : "r" (newValue) : "memory"); return ret; } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddOrdered(qptrdiff valueToAdd) { asm volatile("mf" ::: "memory"); return fetchAndAddRelease(valueToAdd); } #elif defined Q_CC_HPACC QT_BEGIN_INCLUDE_NAMESPACE #include 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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelease(T *newValue) { _Asm_mf(FENCE); return fetchAndStoreAcquire(newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::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 Q_INLINE_TEMPLATE bool QBasicAtomicPointer::testAndSetRelaxed(T *expectedValue, T *newValue) { return testAndSetAcquire(expectedValue, newValue); } template Q_INLINE_TEMPLATE bool QBasicAtomicPointer::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 Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreRelaxed(T *newValue) { return fetchAndStoreAcquire(newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndStoreOrdered(T *newValue) { return fetchAndStoreRelaxed(newValue); } template Q_INLINE_TEMPLATE T *QBasicAtomicPointer::fetchAndAddRelaxed(qptrdiff valueToAdd) { return fetchAndAddAcquire(valueToAdd); } QT_END_NAMESPACE QT_END_HEADER #endif // QATOMIC_IA64_H