src/hotspot/cpu/x86/c2_MacroAssembler_x86.hpp

@@ -35,18 +35,22 @@
    void restorevectmask(KRegister mask);
  
    // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file.
    // See full desription in macroAssembler_x86.cpp.
    void fast_lock(Register obj, Register box, Register tmp,
-                  Register scr, Register cx1, Register cx2,
+                  Register scr, Register cx1, Register cx2, Register thread,
                   BiasedLockingCounters* counters,
                   RTMLockingCounters* rtm_counters,
                   RTMLockingCounters* stack_rtm_counters,
                   Metadata* method_data,
                   bool use_rtm, bool profile_rtm);
    void fast_unlock(Register obj, Register box, Register tmp, bool use_rtm);
  
+   void fast_lock_lightweight(Register obj, Register box, Register rax_reg,
+                              Register t, Register thread);
+   void fast_unlock_lightweight(Register obj, Register reg_rax, Register t, Register thread);
+ 
  #if INCLUDE_RTM_OPT
    void rtm_counters_update(Register abort_status, Register rtm_counters);
    void branch_on_random_using_rdtsc(Register tmp, Register scr, int count, Label& brLabel);
    void rtm_abort_ratio_calculation(Register tmp, Register rtm_counters_reg,
                                     RTMLockingCounters* rtm_counters,

@@ -276,6 +280,8 @@
                       XMMRegister vec1, XMMRegister vec2, bool is_char, KRegister mask = knoreg);
  
    void rearrange_bytes(XMMRegister dst, XMMRegister shuffle, XMMRegister src, XMMRegister xtmp1,
                         XMMRegister xtmp2, XMMRegister xtmp3, Register rtmp, KRegister ktmp, int vlen_enc);
  
+   void load_nklass_compact_c2(Register dst, Register obj, Register index, Address::ScaleFactor scale, int disp);
+ 
  #endif // CPU_X86_C2_MACROASSEMBLER_X86_HPP