src/hotspot/cpu/x86/stubGenerator_x86_64.cpp

*** 564,583 ****
      __ ret(0);
  
      return start;
    }
  
!   // Support for intptr_t atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest)
    //
    // Arguments :
    //    c_rarg0: exchange_value
    //    c_rarg1: dest
    //
    // Result:
    //    *dest <- ex, return (orig *dest)
!   address generate_atomic_xchg_ptr() {
!     StubCodeMark mark(this, "StubRoutines", "atomic_xchg_ptr");
      address start = __ pc();
  
      __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow
      __ xchgptr(rax, Address(c_rarg1, 0)); // automatic LOCK
      __ ret(0);
--- 564,583 ----
      __ ret(0);
  
      return start;
    }
  
!   // Support for intptr_t atomic::xchg_long(jlong exchange_value, volatile jlong* dest)
    //
    // Arguments :
    //    c_rarg0: exchange_value
    //    c_rarg1: dest
    //
    // Result:
    //    *dest <- ex, return (orig *dest)
!   address generate_atomic_xchg_long() {
!     StubCodeMark mark(this, "StubRoutines", "atomic_xchg_long");
      address start = __ pc();
  
      __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow
      __ xchgptr(rax, Address(c_rarg1, 0)); // automatic LOCK
      __ ret(0);
*** 4996,5006 ****
      // is referenced by megamorphic call
      StubRoutines::_catch_exception_entry = generate_catch_exception();
  
      // atomic calls
      StubRoutines::_atomic_xchg_entry         = generate_atomic_xchg();
!     StubRoutines::_atomic_xchg_ptr_entry     = generate_atomic_xchg_ptr();
      StubRoutines::_atomic_cmpxchg_entry      = generate_atomic_cmpxchg();
      StubRoutines::_atomic_cmpxchg_byte_entry = generate_atomic_cmpxchg_byte();
      StubRoutines::_atomic_cmpxchg_long_entry = generate_atomic_cmpxchg_long();
      StubRoutines::_atomic_add_entry          = generate_atomic_add();
      StubRoutines::_atomic_add_ptr_entry      = generate_atomic_add_ptr();
--- 4996,5006 ----
      // is referenced by megamorphic call
      StubRoutines::_catch_exception_entry = generate_catch_exception();
  
      // atomic calls
      StubRoutines::_atomic_xchg_entry         = generate_atomic_xchg();
!     StubRoutines::_atomic_xchg_long_entry    = generate_atomic_xchg_long();
      StubRoutines::_atomic_cmpxchg_entry      = generate_atomic_cmpxchg();
      StubRoutines::_atomic_cmpxchg_byte_entry = generate_atomic_cmpxchg_byte();
      StubRoutines::_atomic_cmpxchg_long_entry = generate_atomic_cmpxchg_long();
      StubRoutines::_atomic_add_entry          = generate_atomic_add();
      StubRoutines::_atomic_add_ptr_entry      = generate_atomic_add_ptr();