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src/hotspot/os_cpu/linux_x86/atomic_linux_x86.hpp
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@@ -29,17 +29,17 @@
template<size_t byte_size>
struct Atomic::PlatformAdd
: Atomic::FetchAndAdd<Atomic::PlatformAdd<byte_size> >
{
- template<typename I, typename D>
- D fetch_and_add(I add_value, D volatile* dest, atomic_memory_order order) const;
+ template<typename D, typename I>
+ D fetch_and_add(D volatile* dest, I add_value, atomic_memory_order order) const;
};
template<>
-template<typename I, typename D>
-inline D Atomic::PlatformAdd<4>::fetch_and_add(I add_value, D volatile* dest,
+template<typename D, typename I>
+inline D Atomic::PlatformAdd<4>::fetch_and_add(D volatile* dest, I add_value,
atomic_memory_order order) const {
STATIC_ASSERT(4 == sizeof(I));
STATIC_ASSERT(4 == sizeof(D));
D old_value;
__asm__ volatile ( "lock xaddl %0,(%2)"
@@ -49,12 +49,12 @@
return old_value;
}
template<>
template<typename T>
-inline T Atomic::PlatformXchg<4>::operator()(T exchange_value,
- T volatile* dest,
+inline T Atomic::PlatformXchg<4>::operator()(T volatile* dest,
+ T exchange_value,
atomic_memory_order order) const {
STATIC_ASSERT(4 == sizeof(T));
__asm__ volatile ( "xchgl (%2),%0"
: "=r" (exchange_value)
: "0" (exchange_value), "r" (dest)
@@ -62,13 +62,13 @@
return exchange_value;
}
template<>
template<typename T>
-inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
- T volatile* dest,
+inline T Atomic::PlatformCmpxchg<1>::operator()(T volatile* dest,
T compare_value,
+ T exchange_value,
atomic_memory_order /* order */) const {
STATIC_ASSERT(1 == sizeof(T));
__asm__ volatile ("lock cmpxchgb %1,(%3)"
: "=a" (exchange_value)
: "q" (exchange_value), "a" (compare_value), "r" (dest)
@@ -76,13 +76,13 @@
return exchange_value;
}
template<>
template<typename T>
-inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
- T volatile* dest,
+inline T Atomic::PlatformCmpxchg<4>::operator()(T volatile* dest,
T compare_value,
+ T exchange_value,
atomic_memory_order /* order */) const {
STATIC_ASSERT(4 == sizeof(T));
__asm__ volatile ("lock cmpxchgl %1,(%3)"
: "=a" (exchange_value)
: "r" (exchange_value), "a" (compare_value), "r" (dest)
@@ -91,12 +91,12 @@
}
#ifdef AMD64
template<>
-template<typename I, typename D>
-inline D Atomic::PlatformAdd<8>::fetch_and_add(I add_value, D volatile* dest,
+template<typename D, typename I>
+inline D Atomic::PlatformAdd<8>::fetch_and_add(D volatile* dest, I add_value,
atomic_memory_order order) const {
STATIC_ASSERT(8 == sizeof(I));
STATIC_ASSERT(8 == sizeof(D));
D old_value;
__asm__ __volatile__ ("lock xaddq %0,(%2)"
@@ -106,11 +106,11 @@
return old_value;
}
template<>
template<typename T>
-inline T Atomic::PlatformXchg<8>::operator()(T exchange_value, T volatile* dest,
+inline T Atomic::PlatformXchg<8>::operator()(T volatile* dest, T exchange_value,
atomic_memory_order order) const {
STATIC_ASSERT(8 == sizeof(T));
__asm__ __volatile__ ("xchgq (%2),%0"
: "=r" (exchange_value)
: "0" (exchange_value), "r" (dest)
@@ -118,13 +118,13 @@
return exchange_value;
}
template<>
template<typename T>
-inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
- T volatile* dest,
+inline T Atomic::PlatformCmpxchg<8>::operator()(T volatile* dest,
T compare_value,
+ T exchange_value,
atomic_memory_order /* order */) const {
STATIC_ASSERT(8 == sizeof(T));
__asm__ __volatile__ ("lock cmpxchgq %1,(%3)"
: "=a" (exchange_value)
: "r" (exchange_value), "a" (compare_value), "r" (dest)
@@ -140,16 +140,16 @@
void _Atomic_move_long(const volatile int64_t* src, volatile int64_t* dst);
}
template<>
template<typename T>
-inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
- T volatile* dest,
+inline T Atomic::PlatformCmpxchg<8>::operator()(T volatile* dest,
T compare_value,
+ T exchange_value,
atomic_memory_order order) const {
STATIC_ASSERT(8 == sizeof(T));
- return cmpxchg_using_helper<int64_t>(_Atomic_cmpxchg_long, exchange_value, dest, compare_value);
+ return cmpxchg_using_helper<int64_t>(_Atomic_cmpxchg_long, dest, compare_value, exchange_value);
}
template<>
template<typename T>
inline T Atomic::PlatformLoad<8>::operator()(T const volatile* src) const {
@@ -159,23 +159,23 @@
return PrimitiveConversions::cast<T>(dest);
}
template<>
template<typename T>
-inline void Atomic::PlatformStore<8>::operator()(T store_value,
- T volatile* dest) const {
+inline void Atomic::PlatformStore<8>::operator()(T volatile* dest,
+ T store_value) const {
STATIC_ASSERT(8 == sizeof(T));
_Atomic_move_long(reinterpret_cast<const volatile int64_t*>(&store_value), reinterpret_cast<volatile int64_t*>(dest));
}
#endif // AMD64
template<>
struct Atomic::PlatformOrderedStore<1, RELEASE_X_FENCE>
{
template <typename T>
- void operator()(T v, volatile T* p) const {
+ void operator()(volatile T* p, T v) const {
__asm__ volatile ( "xchgb (%2),%0"
: "=q" (v)
: "0" (v), "r" (p)
: "memory");
}
@@ -183,11 +183,11 @@
template<>
struct Atomic::PlatformOrderedStore<2, RELEASE_X_FENCE>
{
template <typename T>
- void operator()(T v, volatile T* p) const {
+ void operator()(volatile T* p, T v) const {
__asm__ volatile ( "xchgw (%2),%0"
: "=r" (v)
: "0" (v), "r" (p)
: "memory");
}
@@ -195,11 +195,11 @@
template<>
struct Atomic::PlatformOrderedStore<4, RELEASE_X_FENCE>
{
template <typename T>
- void operator()(T v, volatile T* p) const {
+ void operator()(volatile T* p, T v) const {
__asm__ volatile ( "xchgl (%2),%0"
: "=r" (v)
: "0" (v), "r" (p)
: "memory");
}
@@ -208,11 +208,11 @@
#ifdef AMD64
template<>
struct Atomic::PlatformOrderedStore<8, RELEASE_X_FENCE>
{
template <typename T>
- void operator()(T v, volatile T* p) const {
+ void operator()(volatile T* p, T v) const {
__asm__ volatile ( "xchgq (%2), %0"
: "=r" (v)
: "0" (v), "r" (p)
: "memory");
}
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