--- a/hotspot/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp Thu Oct 07 13:49:40 2010 -0700
+++ b/hotspot/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp Tue Jan 18 17:10:03 2011 -0800
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -35,14 +35,12 @@
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 (jlong store_value, jlong* 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 (jlong store_value, volatile jlong* 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; }
@@ -54,8 +52,49 @@
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); }
+
+#ifdef _LP64
+
+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; }
inline jlong Atomic::load(volatile jlong* src) { return *src; }
+#else
+
+extern "C" void _Atomic_move_long_v8(volatile jlong* src, volatile jlong* dst);
+extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst);
+
+inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) {
+#ifdef COMPILER2
+ // Compiler2 does not support v8, it is used only for v9.
+ assert (VM_Version::v9_instructions_work(), "only supported on v9");
+ _Atomic_move_long_v9(src, dst);
+#else
+ // The branch is cheaper then emulated LDD.
+ if (VM_Version::v9_instructions_work()) {
+ _Atomic_move_long_v9(src, dst);
+ } else {
+ _Atomic_move_long_v8(src, dst);
+ }
+#endif
+}
+
+inline jlong Atomic::load(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
+
#ifdef _GNU_SOURCE
inline jint Atomic::add (jint add_value, volatile jint* dest) {