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src/share/vm/runtime/orderAccess.inline.hpp

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*** 24,33 **** --- 24,34 ---- */ #ifndef SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP #define SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP + #include "runtime/atomic.inline.hpp" #include "runtime/orderAccess.hpp" // Linux #ifdef TARGET_OS_ARCH_linux_x86 # include "orderAccess_linux_x86.inline.hpp"
*** 69,74 **** --- 70,163 ---- #endif #ifdef TARGET_OS_ARCH_bsd_zero # include "orderAccess_bsd_zero.inline.hpp" #endif + #ifdef VM_HAS_GENERALIZED_ORDER_ACCESS + + template<> inline void ScopedFenceGeneral<X_ACQUIRE>::postfix() { OrderAccess::acquire(); } + template<> inline void ScopedFenceGeneral<RELEASE_X>::prefix() { OrderAccess::release(); } + template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::prefix() { OrderAccess::release(); } + template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::postfix() { OrderAccess::fence(); } + + + template <typename FieldType, ScopedFenceType FenceType> + inline void OrderAccess::ordered_store(volatile FieldType* p, FieldType v) { + ScopedFence<FenceType> f((void*)p); + store(p, v); + } + + template <typename FieldType, ScopedFenceType FenceType> + inline FieldType OrderAccess::ordered_load(volatile FieldType* p) { + ScopedFence<FenceType> f((void*)p); + return load(p); + } + + inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return specialized_load_acquire(p); } + inline jshort OrderAccess::load_acquire(volatile jshort* p) { return specialized_load_acquire(p); } + inline jint OrderAccess::load_acquire(volatile jint* p) { return specialized_load_acquire(p); } + inline jlong OrderAccess::load_acquire(volatile jlong* p) { return specialized_load_acquire(p); } + inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return specialized_load_acquire(p); } + inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return specialized_load_acquire(p); } + inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return (jubyte) specialized_load_acquire((volatile jbyte*)p); } + inline jushort OrderAccess::load_acquire(volatile jushort* p) { return (jushort)specialized_load_acquire((volatile jshort*)p); } + inline juint OrderAccess::load_acquire(volatile juint* p) { return (juint) specialized_load_acquire((volatile jint*)p); } + inline julong OrderAccess::load_acquire(volatile julong* p) { return (julong) specialized_load_acquire((volatile jlong*)p); } + + inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return (intptr_t)specialized_load_acquire(p); } + inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return (void*)specialized_load_acquire((volatile intptr_t*)p); } + inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return (void*)specialized_load_acquire((volatile intptr_t*)p); } + + inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jshort* p, jshort v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jint* p, jint v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jlong* p, jlong v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { specialized_release_store((volatile jbyte*) p, (jbyte) v); } + inline void OrderAccess::release_store(volatile jushort* p, jushort v) { specialized_release_store((volatile jshort*)p, (jshort)v); } + inline void OrderAccess::release_store(volatile juint* p, juint v) { specialized_release_store((volatile jint*) p, (jint) v); } + inline void OrderAccess::release_store(volatile julong* p, julong v) { specialized_release_store((volatile jlong*) p, (jlong) v); } + + inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { specialized_release_store(p, v); } + inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { specialized_release_store((volatile intptr_t*)p, (intptr_t)v); } + + inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { specialized_release_store_fence((volatile jbyte*) p, (jbyte) v); } + inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { specialized_release_store_fence((volatile jshort*)p, (jshort)v); } + inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { specialized_release_store_fence((volatile jint*) p, (jint) v); } + inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { specialized_release_store_fence((volatile jlong*) p, (jlong) v); } + + inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { specialized_release_store_fence(p, v); } + inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { specialized_release_store_fence((volatile intptr_t*)p, (intptr_t)v); } + + // The following methods can be specialized using simple template specialization + // in the platform specific files for optimization purposes. Otherwise the + // generalized variant is used. + template<typename T> inline T OrderAccess::specialized_load_acquire (volatile T* p) { return ordered_load<T, X_ACQUIRE>(p); } + template<typename T> inline void OrderAccess::specialized_release_store (volatile T* p, T v) { ordered_store<T, RELEASE_X>(p, v); } + template<typename T> inline void OrderAccess::specialized_release_store_fence(volatile T* p, T v) { ordered_store<T, RELEASE_X_FENCE>(p, v); } + + // Generalized atomic volatile accesses valid in OrderAccess + // All other types can be expressed in terms of these. + inline void OrderAccess::store(volatile jbyte* p, jbyte v) { *p = v; } + inline void OrderAccess::store(volatile jshort* p, jshort v) { *p = v; } + inline void OrderAccess::store(volatile jint* p, jint v) { *p = v; } + inline void OrderAccess::store(volatile jlong* p, jlong v) { Atomic::store(v, p); } + inline void OrderAccess::store(volatile jdouble* p, jdouble v) { Atomic::store(jlong_cast(v), (volatile jlong*)p); } + inline void OrderAccess::store(volatile jfloat* p, jfloat v) { *p = v; } + + inline jbyte OrderAccess::load(volatile jbyte* p) { return *p; } + inline jshort OrderAccess::load(volatile jshort* p) { return *p; } + inline jint OrderAccess::load(volatile jint* p) { return *p; } + inline jlong OrderAccess::load(volatile jlong* p) { return Atomic::load(p); } + inline jdouble OrderAccess::load(volatile jdouble* p) { return jdouble_cast(Atomic::load((volatile jlong*)p)); } + inline jfloat OrderAccess::load(volatile jfloat* p) { return *p; } + + #endif // VM_HAS_GENERALIZED_ORDER_ACCESS + #endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP
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