src/cpu/ppc/vm/macroAssembler_ppc.cpp

*** 1538,1554 ****
    assert_different_registers(recv_klass, intf_klass, method_result, scan_temp);
    assert(itable_index.is_constant() || itable_index.as_register() == method_result,
           "caller must use same register for non-constant itable index as for method");
  
    // Compute start of first itableOffsetEntry (which is at the end of the vtable).
!   int vtable_base = InstanceKlass::vtable_start_offset() * wordSize;
    int itentry_off = itableMethodEntry::method_offset_in_bytes();
    int logMEsize   = exact_log2(itableMethodEntry::size() * wordSize);
    int scan_step   = itableOffsetEntry::size() * wordSize;
!   int log_vte_size= exact_log2(vtableEntry::size() * wordSize);
  
!   lwz(scan_temp, InstanceKlass::vtable_length_offset() * wordSize, recv_klass);
    // %%% We should store the aligned, prescaled offset in the klassoop.
    // Then the next several instructions would fold away.
  
    sldi(scan_temp, scan_temp, log_vte_size);
    addi(scan_temp, scan_temp, vtable_base);
--- 1538,1554 ----
    assert_different_registers(recv_klass, intf_klass, method_result, scan_temp);
    assert(itable_index.is_constant() || itable_index.as_register() == method_result,
           "caller must use same register for non-constant itable index as for method");
  
    // Compute start of first itableOffsetEntry (which is at the end of the vtable).
!   int vtable_base = in_bytes(InstanceKlass::vtable_start_offset());
    int itentry_off = itableMethodEntry::method_offset_in_bytes();
    int logMEsize   = exact_log2(itableMethodEntry::size() * wordSize);
    int scan_step   = itableOffsetEntry::size() * wordSize;
!   int log_vte_size= exact_log2(vtableEntry::size_in_bytes());
  
!   lwz(scan_temp, in_bytes(InstanceKlass::vtable_length_offset()), recv_klass);
    // %%% We should store the aligned, prescaled offset in the klassoop.
    // Then the next several instructions would fold away.
  
    sldi(scan_temp, scan_temp, log_vte_size);
    addi(scan_temp, scan_temp, vtable_base);
*** 1612,1622 ****
                                             RegisterOrConstant vtable_index,
                                             Register method_result) {
  
    assert_different_registers(recv_klass, method_result, vtable_index.register_or_noreg());
  
!   const int base = InstanceKlass::vtable_start_offset() * wordSize;
    assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below");
  
    if (vtable_index.is_register()) {
      sldi(vtable_index.as_register(), vtable_index.as_register(), LogBytesPerWord);
      add(recv_klass, vtable_index.as_register(), recv_klass);
--- 1612,1622 ----
                                             RegisterOrConstant vtable_index,
                                             Register method_result) {
  
    assert_different_registers(recv_klass, method_result, vtable_index.register_or_noreg());
  
!   const int base = in_bytes(InstanceKlass::vtable_start_offset());
    assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below");
  
    if (vtable_index.is_register()) {
      sldi(vtable_index.as_register(), vtable_index.as_register(), LogBytesPerWord);
      add(recv_klass, vtable_index.as_register(), recv_klass);