src/hotspot/cpu/sparc/c1_LIRAssembler_sparc.cpp

rev 47591 : Add Thread Local handshakes and thread local polling

@@ -33,10 +33,11 @@
 #include "gc/shared/barrierSet.hpp"
 #include "gc/shared/cardTableModRefBS.hpp"
 #include "gc/shared/collectedHeap.hpp"
 #include "nativeInst_sparc.hpp"
 #include "oops/objArrayKlass.hpp"
+#include "runtime/safepointMechanism.inline.hpp"
 #include "runtime/sharedRuntime.hpp"
 
 #define __ _masm->
 
 

@@ -1413,24 +1414,33 @@
 
 void LIR_Assembler::return_op(LIR_Opr result) {
   if (StackReservedPages > 0 && compilation()->has_reserved_stack_access()) {
     __ reserved_stack_check();
   }
+  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();
   __ delayed()->restore();
 }
 
 
 int LIR_Assembler::safepoint_poll(LIR_Opr tmp, CodeEmitInfo* info) {
+  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;
 }