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src/os_cpu/solaris_x86/vm/atomic_solaris_x86.hpp
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rev 13438 : imported patch solaris_x86_remove_32bit
rev 13439 : imported patch solaris_x86
@@ -23,12 +23,10 @@
*/
#ifndef OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
#define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
-#include "runtime/os.hpp"
-
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; }
@@ -47,12 +45,11 @@
inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
-// For Sun Studio - implementation is in solaris_x86_[32/64].il.
-// For gcc - implementation is just below.
+// For Sun Studio - implementation is in solaris_x86_64.il.
extern "C" {
jint _Atomic_add(jint add_value, volatile jint* dest);
jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
@@ -69,25 +66,52 @@
inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
return _Atomic_xchg(exchange_value, dest);
}
-#define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
-inline jbyte Atomic::cmpxchg (jbyte exchange_value, volatile jbyte* dest, jbyte compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg_byte(exchange_value, dest, compare_value);
-}
-
-inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg(exchange_value, dest, compare_value);
-}
-
-inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg_long(exchange_value, dest, compare_value);
+// Not using cmpxchg_using_stub here, because some configurations of
+// Solaris compiler don't deal well with passing a "defined in .il"
+// function as an argument. We *should* switch to using gcc-style
+// inline assembly, but attempting to do so with Studio 12.4 ran into
+// segfaults.
+
+template<>
+template<typename T>
+inline T Atomic::PlatformCmpxchg<1>::operator()(T exchange_value,
+ T volatile* dest,
+ T compare_value,
+ cmpxchg_memory_order order) const {
+ return IntegerTypes::cast<T>(
+ _Atomic_cmpxchg_byte(IntegerTypes::cast<jbyte>(exchange_value),
+ reinterpret_cast<jbyte volatile*>(dest),
+ IntegerTypes::cast<jbyte>(compare_value)));
+}
+
+template<>
+template<typename T>
+inline T Atomic::PlatformCmpxchg<4>::operator()(T exchange_value,
+ T volatile* dest,
+ T compare_value,
+ cmpxchg_memory_order order) const {
+ return IntegerTypes::cast<T>(
+ _Atomic_cmpxchg(IntegerTypes::cast<jint>(exchange_value),
+ reinterpret_cast<jint volatile*>(dest),
+ IntegerTypes::cast<jint>(compare_value)));
+}
+
+template<>
+template<typename T>
+inline T Atomic::PlatformCmpxchg<8>::operator()(T exchange_value,
+ T volatile* dest,
+ T compare_value,
+ cmpxchg_memory_order order) const {
+ return IntegerTypes::cast<T>(
+ _Atomic_cmpxchg_long(IntegerTypes::cast<jlong>(exchange_value),
+ reinterpret_cast<jlong volatile*>(dest),
+ IntegerTypes::cast<jlong>(compare_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; }
extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
@@ -105,61 +129,8 @@
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
return (void*)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
}
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- return (intptr_t)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);
-}
-
-inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);
-}
-
inline jlong Atomic::load(const volatile jlong* src) { return *src; }
-#else // !AMD64
-
-inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
- return (intptr_t)add((jint)add_value, (volatile jint*)dest);
-}
-
-inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
- return (void*)add((jint)add_value, (volatile jint*)dest);
-}
-
-inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
- return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
-}
-
-inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
- return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
-}
-
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
-}
-
-inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
-}
-
-extern "C" void _Atomic_move_long(const volatile jlong* src, volatile jlong* dst);
-
-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_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_HPP
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