--- a/src/hotspot/cpu/sparc/c1_LIRAssembler_sparc.cpp Sat Nov 11 01:21:09 2017 +0100
+++ b/src/hotspot/cpu/sparc/c1_LIRAssembler_sparc.cpp Thu Aug 31 10:00:28 2017 +0200
@@ -35,6 +35,7 @@
#include "gc/shared/collectedHeap.hpp"
#include "nativeInst_sparc.hpp"
#include "oops/objArrayKlass.hpp"
+#include "runtime/safepointMechanism.inline.hpp"
#include "runtime/sharedRuntime.hpp"
#define __ _masm->
@@ -1415,7 +1416,11 @@
if (StackReservedPages > 0 && compilation()->has_reserved_stack_access()) {
__ reserved_stack_check();
}
- __ set((intptr_t)os::get_polling_page(), L0);
+ if (SafepointMechanism::uses_thread_local_poll()) {
+ __ ld_ptr(Address(G2_thread, Thread::polling_page_offset()), L0);
+ } else {
+ __ set((intptr_t)os::get_polling_page(), L0);
+ }
__ relocate(relocInfo::poll_return_type);
__ ld_ptr(L0, 0, G0);
__ ret();
@@ -1424,11 +1429,16 @@
int LIR_Assembler::safepoint_poll(LIR_Opr tmp, CodeEmitInfo* info) {
- __ set((intptr_t)os::get_polling_page(), tmp->as_register());
+ if (SafepointMechanism::uses_thread_local_poll()) {
+ __ ld_ptr(Address(G2_thread, Thread::polling_page_offset()), tmp->as_register());
+ } else {
+ __ set((intptr_t)os::get_polling_page(), tmp->as_register());
+ }
if (info != NULL) {
add_debug_info_for_branch(info);
}
int offset = __ offset();
+
__ relocate(relocInfo::poll_type);
__ ld_ptr(tmp->as_register(), 0, G0);
return offset;