src/cpu/x86/vm/stubGenerator_x86_32.cpp

*** 1372,1383 ****
      // one less register, because needed values are on the argument stack.
      // __ check_klass_subtype_fast_path(sub_klass, *super_klass*, temp,
      //                                  L_success, L_failure, NULL);
      assert_different_registers(sub_klass, temp);
  
!     int sc_offset = (klassOopDesc::header_size() * HeapWordSize +
!                      Klass::secondary_super_cache_offset_in_bytes());
  
      // if the pointers are equal, we are done (e.g., String[] elements)
      __ cmpptr(sub_klass, super_klass_addr);
      LOCAL_JCC(Assembler::equal, L_success);
  
--- 1372,1382 ----
      // one less register, because needed values are on the argument stack.
      // __ check_klass_subtype_fast_path(sub_klass, *super_klass*, temp,
      //                                  L_success, L_failure, NULL);
      assert_different_registers(sub_klass, temp);
  
!     int sc_offset = Klass::secondary_super_cache_offset_in_bytes();
  
      // if the pointers are equal, we are done (e.g., String[] elements)
      __ cmpptr(sub_klass, super_klass_addr);
      LOCAL_JCC(Assembler::equal, L_success);
  
*** 1785,1796 ****
      // 32        30    24            16              8     2                 0
      //
      //   array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0
      //
  
!     int lh_offset = klassOopDesc::header_size() * HeapWordSize +
!                     Klass::layout_helper_offset_in_bytes();
      Address src_klass_lh_addr(rcx_src_klass, lh_offset);
  
      // Handle objArrays completely differently...
      jint objArray_lh = Klass::array_layout_helper(T_OBJECT);
      __ cmpl(src_klass_lh_addr, objArray_lh);
--- 1784,1794 ----
      // 32        30    24            16              8     2                 0
      //
      //   array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0
      //
  
!     int lh_offset = Klass::layout_helper_offset_in_bytes();
      Address src_klass_lh_addr(rcx_src_klass, lh_offset);
  
      // Handle objArrays completely differently...
      jint objArray_lh = Klass::array_layout_helper(T_OBJECT);
      __ cmpl(src_klass_lh_addr, objArray_lh);
*** 1912,1925 ****
  
    __ BIND(L_checkcast_copy);
      // live at this point:  rcx_src_klass, dst[_pos], src[_pos]
      {
        // Handy offsets:
!       int  ek_offset = (klassOopDesc::header_size() * HeapWordSize +
!                         objArrayKlass::element_klass_offset_in_bytes());
!       int sco_offset = (klassOopDesc::header_size() * HeapWordSize +
!                         Klass::super_check_offset_offset_in_bytes());
  
        Register rsi_dst_klass = rsi;
        Register rdi_temp      = rdi;
        assert(rsi_dst_klass == src_pos, "expected alias w/ src_pos");
        assert(rdi_temp      == dst_pos, "expected alias w/ dst_pos");
--- 1910,1921 ----
  
    __ BIND(L_checkcast_copy);
      // live at this point:  rcx_src_klass, dst[_pos], src[_pos]
      {
        // Handy offsets:
!       int  ek_offset = objArrayKlass::element_klass_offset_in_bytes();
!       int sco_offset = Klass::super_check_offset_offset_in_bytes();
  
        Register rsi_dst_klass = rsi;
        Register rdi_temp      = rdi;
        assert(rsi_dst_klass == src_pos, "expected alias w/ src_pos");
        assert(rdi_temp      == dst_pos, "expected alias w/ dst_pos");