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src/hotspot/os_cpu/bsd_x86/atomic_bsd_x86.hpp
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rev 47321 : [mq]: Atomic_loadstore
*** 25,47 ****
#ifndef OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_HPP
#define OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_HPP
// Implementation of class atomic
- inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
- inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
- inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
- inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
- inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
-
- inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
- inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
- inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
- inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
- inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
-
-
template<size_t byte_size>
struct Atomic::PlatformAdd
: Atomic::FetchAndAdd<Atomic::PlatformAdd<byte_size> >
{
template<typename I, typename D>
--- 25,34 ----
*** 100,112 ****
: "cc", "memory");
return exchange_value;
}
#ifdef AMD64
- inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
- inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
-
template<>
template<typename I, typename D>
inline D Atomic::PlatformAdd<8>::fetch_and_add(I add_value, D volatile* dest) const {
STATIC_ASSERT(8 == sizeof(I));
STATIC_ASSERT(8 == sizeof(D));
--- 87,96 ----
*** 142,153 ****
: "r" (exchange_value), "a" (compare_value), "r" (dest)
: "cc", "memory");
return exchange_value;
}
- inline jlong Atomic::load(const volatile jlong* src) { return *src; }
-
#else // !AMD64
extern "C" {
// defined in bsd_x86.s
jlong _Atomic_cmpxchg_long(jlong, volatile jlong*, jlong, bool);
--- 126,135 ----
*** 162,183 ****
cmpxchg_memory_order order) const {
STATIC_ASSERT(8 == sizeof(T));
return cmpxchg_using_helper<jlong>(_Atomic_cmpxchg_long, exchange_value, dest, compare_value);
}
! inline jlong Atomic::load(const volatile jlong* src) {
volatile jlong dest;
! _Atomic_move_long(src, &dest);
! return dest;
}
! inline void Atomic::store(jlong store_value, jlong* dest) {
! _Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
! }
!
! inline void Atomic::store(jlong store_value, volatile jlong* dest) {
! _Atomic_move_long((volatile jlong*)&store_value, dest);
}
#endif // AMD64
#endif // OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_HPP
--- 144,168 ----
cmpxchg_memory_order order) const {
STATIC_ASSERT(8 == sizeof(T));
return cmpxchg_using_helper<jlong>(_Atomic_cmpxchg_long, exchange_value, dest, compare_value);
}
! template<>
! template<typename T>
! inline T Atomic::PlatformLoad<8>::operator()(T const volatile* src) const {
! STATIC_ASSERT(8 == sizeof(T));
volatile jlong dest;
! _Atomic_move_long(reinterpret_cast<const volatile jlong*>(src), reinterpret_cast<volatile jlong*>(&dest));
! return PrimitiveConversions::cast<T>(dest);
}
! template<>
! template<typename T>
! inline void Atomic::PlatformStore<8>::operator()(T store_value,
! T volatile* dest) const {
! STATIC_ASSERT(8 == sizeof(T));
! _Atomic_move_long(reinterpret_cast<const volatile jlong*>(&store_value), reinterpret_cast<volatile jlong*>(dest));
}
#endif // AMD64
#endif // OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_HPP
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