src/hotspot/cpu/riscv/c2_MacroAssembler_riscv.hpp

@@ -42,15 +42,19 @@
    void compress_bits_v(Register dst, Register src, Register mask, bool is_long);
    void expand_bits_v(Register dst, Register src, Register mask, bool is_long);
  
   public:
    // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file.
-   void fast_lock(Register object, Register box, Register tmp1, Register tmp2, Register tmp3);
+   void fast_lock(Register object, Register box,
+                  Register tmp1, Register tmp2, Register tmp3, Register tmp4);
    void fast_unlock(Register object, Register box, Register tmp1, Register tmp2);
+ 
    // Code used by cmpFastLockLightweight and cmpFastUnlockLightweight mach instructions in .ad file.
-   void fast_lock_lightweight(Register object, Register box, Register tmp1, Register tmp2, Register tmp3);
-   void fast_unlock_lightweight(Register object, Register box, Register tmp1, Register tmp2, Register tmp3);
+   void fast_lock_lightweight(Register object, Register box,
+                              Register tmp1, Register tmp2, Register tmp3, Register tmp4);
+   void fast_unlock_lightweight(Register object, Register box,
+                                Register tmp1, Register tmp2, Register tmp3);
  
    void string_compare(Register str1, Register str2,
                        Register cnt1, Register cnt2, Register result,
                        Register tmp1, Register tmp2, Register tmp3,
                        int ae);