8032634: Add #ifdef PPC64 around OrderAccess operations on _thread_state.
Reviewed-by: dholmes, kvn
--- a/hotspot/src/share/vm/runtime/thread.hpp Wed Jan 22 14:27:18 2014 -0800
+++ b/hotspot/src/share/vm/runtime/thread.hpp Fri Jan 24 10:23:34 2014 +0100
@@ -1033,17 +1033,21 @@
// Last frame anchor routines
- JavaFrameAnchor* frame_anchor(void) { return &_anchor; }
+ JavaFrameAnchor* frame_anchor(void) { return &_anchor; }
// last_Java_sp
- bool has_last_Java_frame() const { return _anchor.has_last_Java_frame(); }
- intptr_t* last_Java_sp() const { return _anchor.last_Java_sp(); }
+ bool has_last_Java_frame() const { return _anchor.has_last_Java_frame(); }
+ intptr_t* last_Java_sp() const { return _anchor.last_Java_sp(); }
// last_Java_pc
- address last_Java_pc(void) { return _anchor.last_Java_pc(); }
+ address last_Java_pc(void) { return _anchor.last_Java_pc(); }
// Safepoint support
+#ifndef PPC64
+ JavaThreadState thread_state() const { return _thread_state; }
+ void set_thread_state(JavaThreadState s) { _thread_state = s; }
+#else
// Use membars when accessing volatile _thread_state. See
// Threads::create_vm() for size checks.
JavaThreadState thread_state() const {
@@ -1052,7 +1056,8 @@
void set_thread_state(JavaThreadState s) {
OrderAccess::release_store((volatile jint*)&_thread_state, (jint)s);
}
- ThreadSafepointState *safepoint_state() const { return _safepoint_state; }
+#endif
+ ThreadSafepointState *safepoint_state() const { return _safepoint_state; }
void set_safepoint_state(ThreadSafepointState *state) { _safepoint_state = state; }
bool is_at_poll_safepoint() { return _safepoint_state->is_at_poll_safepoint(); }