src/share/vm/opto/graphKit.cpp

*** 1834,1847 ****
           "Only one we handle so far.");
    CardTableModRefBS* ct =
      (CardTableModRefBS*)(Universe::heap()->barrier_set());
    Node *b = _gvn.transform(new (C, 3) URShiftXNode( cast, _gvn.intcon(CardTableModRefBS::card_shift) ));
    // We store into a byte array, so do not bother to left-shift by zero
!   // Get base of card map
!   assert(sizeof(*ct->byte_map_base) == sizeof(jbyte),
!          "adjust this code");
!   Node *c = makecon(TypeRawPtr::make((address)ct->byte_map_base));
    // Combine
    Node *sb_ctl = control();
    Node *sb_adr = _gvn.transform(new (C, 4) AddPNode( top()/*no base ptr*/, c, b ));
    Node *sb_val = _gvn.intcon(0);
    // Smash zero into card
--- 1834,1844 ----
           "Only one we handle so far.");
    CardTableModRefBS* ct =
      (CardTableModRefBS*)(Universe::heap()->barrier_set());
    Node *b = _gvn.transform(new (C, 3) URShiftXNode( cast, _gvn.intcon(CardTableModRefBS::card_shift) ));
    // We store into a byte array, so do not bother to left-shift by zero
!   Node *c = byte_map_base_node();
    // Combine
    Node *sb_ctl = control();
    Node *sb_adr = _gvn.transform(new (C, 4) AddPNode( top()/*no base ptr*/, c, b ));
    Node *sb_val = _gvn.intcon(0);
    // Smash zero into card
*** 3363,3380 ****
    // Get the alias_index for raw card-mark memory
    const TypePtr* card_type = TypeRawPtr::BOTTOM;
  
    const TypeFunc *tf = OptoRuntime::g1_wb_post_Type();
  
-   // Get the address of the card table
-   CardTableModRefBS* ct =
-     (CardTableModRefBS*)(Universe::heap()->barrier_set());
-   Node *card_table = __ makecon(TypeRawPtr::make((address)ct->byte_map_base));
-   // Get base of card map
-   assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code");
- 
- 
    // Offsets into the thread
    const int index_offset  = in_bytes(JavaThread::dirty_card_queue_offset() +
                                       PtrQueue::byte_offset_of_index());
    const int buffer_offset = in_bytes(JavaThread::dirty_card_queue_offset() +
                                       PtrQueue::byte_offset_of_buf());
--- 3360,3369 ----
*** 3400,3410 ****
  
    // Divide pointer by card size
    Node* card_offset = __ URShiftX( cast, __ ConI(CardTableModRefBS::card_shift) );
  
    // Combine card table base and card offset
!   Node *card_adr = __ AddP(no_base, card_table, card_offset );
  
    // If we know the value being stored does it cross regions?
  
    if (val != NULL) {
      // Does the store cause us to cross regions?
--- 3389,3399 ----
  
    // Divide pointer by card size
    Node* card_offset = __ URShiftX( cast, __ ConI(CardTableModRefBS::card_shift) );
  
    // Combine card table base and card offset
!   Node *card_adr = __ AddP(no_base, byte_map_base_node(), card_offset );
  
    // If we know the value being stored does it cross regions?
  
    if (val != NULL) {
      // Does the store cause us to cross regions?