src/hotspot/cpu/x86/macroAssembler_x86.cpp

*** 3696,3729 ****
                                           Label& is_flat_array) {
    load_klass(temp_reg, oop);
    test_flat_array_klass(temp_reg, temp_reg, is_flat_array);
  }
  
- void MacroAssembler::test_value_is_not_buffered(Register value, Register temp_reg, Label& not_buffered) {
-   ExternalAddress VTBuffer_top(VTBuffer::top_addr());
-   ExternalAddress VTBuffer_end(VTBuffer::end_addr());
- 
-   // Test below is ordered based on the relative positions of
-   // the Java heap and the VTBuffer to execute a single test for heap-allocated values
- 
-   if (VTBuffer::base() < Universe::heap()->base()) {
-     lea(temp_reg, VTBuffer_end);
-     cmpptr(value, temp_reg);
-     jcc(Assembler::greaterEqual, not_buffered);
-     lea(temp_reg, VTBuffer_top);
-     cmpptr(value, temp_reg);
-     jcc(Assembler::less, not_buffered);
-   } else {
-     lea(temp_reg, VTBuffer_top);
-     cmpptr(value, temp_reg);
-     jcc(Assembler::less, not_buffered);
-     lea(temp_reg, VTBuffer_end);
-     cmpptr(value, temp_reg);
-     jcc(Assembler::greaterEqual, not_buffered);
-   }
- }
- 
  void MacroAssembler::os_breakpoint() {
    // instead of directly emitting a breakpoint, call os:breakpoint for better debugability
    // (e.g., MSVC can't call ps() otherwise)
    call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
  }
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