--- a/hotspot/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -898,13 +898,13 @@
          "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 vtable_base = in_bytes(InstanceKlass::vtable_start_offset());
   int itentry_off = itableMethodEntry::method_offset_in_bytes();
   int scan_step   = itableOffsetEntry::size() * wordSize;
-  int vte_size    = vtableEntry::size() * wordSize;
+  int vte_size    = vtableEntry::size_in_bytes();
   assert(vte_size == wordSize, "else adjust times_vte_scale");
 
-  ldrw(scan_temp, Address(recv_klass, InstanceKlass::vtable_length_offset() * wordSize));
+  ldrw(scan_temp, Address(recv_klass, InstanceKlass::vtable_length_offset()));
 
   // %%% Could store the aligned, prescaled offset in the klassoop.
   // lea(scan_temp, Address(recv_klass, scan_temp, times_vte_scale, vtable_base));
@@ -958,7 +958,7 @@
 void MacroAssembler::lookup_virtual_method(Register recv_klass,
                                            RegisterOrConstant vtable_index,
                                            Register method_result) {
-  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  const int base = in_bytes(InstanceKlass::vtable_start_offset());
   assert(vtableEntry::size() * wordSize == 8,
          "adjust the scaling in the code below");
   int vtable_offset_in_bytes = base + vtableEntry::method_offset_in_bytes();

--- a/hotspot/src/cpu/aarch64/vm/vtableStubs_aarch64.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/aarch64/vm/vtableStubs_aarch64.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -73,7 +73,7 @@
   if (DebugVtables) {
     Label L;
     // check offset vs vtable length
-    __ ldrw(rscratch1, Address(r19, InstanceKlass::vtable_length_offset() * wordSize));
+    __ ldrw(rscratch1, Address(r19, InstanceKlass::vtable_length_offset()));
     __ cmpw(rscratch1, vtable_index * vtableEntry::size());
     __ br(Assembler::GT, L);
     __ enter();

--- a/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012, 2015 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -1583,13 +1583,13 @@
          "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 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() * wordSize);
-
-  lwz(scan_temp, InstanceKlass::vtable_length_offset() * wordSize, recv_klass);
+  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.
 
@@ -1657,7 +1657,7 @@
 
   assert_different_registers(recv_klass, method_result, vtable_index.register_or_noreg());
 
-  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  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()) {

--- a/hotspot/src/cpu/ppc/vm/ppc.ad	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/ppc/vm/ppc.ad	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
 // Copyright 2012, 2015 SAP AG. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
@@ -3562,8 +3562,8 @@
 
       __ load_klass(R11_scratch1, R3);
 
-      int entry_offset = InstanceKlass::vtable_start_offset() + _vtable_index * vtableEntry::size();
-      int v_off = entry_offset * wordSize + vtableEntry::method_offset_in_bytes();
+      int entry_offset = in_bytes(InstanceKlass::vtable_start_offset()) + _vtable_index * vtableEntry::size_in_bytes();
+      int v_off = entry_offset + vtableEntry::method_offset_in_bytes();
       __ li(R19_method, v_off);
       __ ldx(R19_method/*method oop*/, R19_method/*method offset*/, R11_scratch1/*class*/);
       // NOTE: for vtable dispatches, the vtable entry will never be

--- a/hotspot/src/cpu/ppc/vm/templateTable_ppc_64.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/ppc/vm/templateTable_ppc_64.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2013, 2015 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -3282,9 +3282,9 @@
   const Register Rtarget_method = Rindex;
 
   // Get target method & entry point.
-  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  const int base = in_bytes(InstanceKlass::vtable_start_offset());
   // Calc vtable addr scale the vtable index by 8.
-  __ sldi(Rindex, Rindex, exact_log2(vtableEntry::size() * wordSize));
+  __ sldi(Rindex, Rindex, exact_log2(vtableEntry::size_in_bytes()));
   // Load target.
   __ addi(Rrecv_klass, Rrecv_klass, base + vtableEntry::method_offset_in_bytes());
   __ ldx(Rtarget_method, Rindex, Rrecv_klass);

--- a/hotspot/src/cpu/ppc/vm/vtableStubs_ppc_64.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/ppc/vm/vtableStubs_ppc_64.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012, 2015 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -80,14 +80,14 @@
   __ load_klass(rcvr_klass, R3);
 
  // Set method (in case of interpreted method), and destination address.
-  int entry_offset = InstanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
+  int entry_offset = in_bytes(InstanceKlass::vtable_start_offset()) + vtable_index*vtableEntry::size_in_bytes();
 
 #ifndef PRODUCT
   if (DebugVtables) {
     Label L;
     // Check offset vs vtable length.
     const Register vtable_len = R12_scratch2;
-    __ lwz(vtable_len, InstanceKlass::vtable_length_offset()*wordSize, rcvr_klass);
+    __ lwz(vtable_len, in_bytes(InstanceKlass::vtable_length_offset()), rcvr_klass);
     __ cmpwi(CCR0, vtable_len, vtable_index*vtableEntry::size());
     __ bge(CCR0, L);
     __ li(R12_scratch2, vtable_index);
@@ -96,7 +96,7 @@
   }
 #endif
 
-  int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
+  int v_off = entry_offset + vtableEntry::method_offset_in_bytes();
 
   __ ld(R19_method, v_off, rcvr_klass);
 
@@ -163,13 +163,13 @@
   __ load_klass(rcvr_klass, R3_ARG1);
 
   BLOCK_COMMENT("Load start of itable entries into itable_entry.");
-  __ lwz(vtable_len, InstanceKlass::vtable_length_offset() * wordSize, rcvr_klass);
-  __ slwi(vtable_len, vtable_len, exact_log2(vtableEntry::size() * wordSize));
+  __ lwz(vtable_len, in_bytes(InstanceKlass::vtable_length_offset()), rcvr_klass);
+  __ slwi(vtable_len, vtable_len, exact_log2(vtableEntry::size_in_bytes()));
   __ add(itable_entry_addr, vtable_len, rcvr_klass);
 
   // Loop over all itable entries until desired interfaceOop(Rinterface) found.
   BLOCK_COMMENT("Increment itable_entry_addr in loop.");
-  const int vtable_base_offset = InstanceKlass::vtable_start_offset() * wordSize;
+  const int vtable_base_offset = in_bytes(InstanceKlass::vtable_start_offset());
   __ addi(itable_entry_addr, itable_entry_addr, vtable_base_offset + itableOffsetEntry::interface_offset_in_bytes());
 
   const int itable_offset_search_inc = itableOffsetEntry::size() * wordSize;

--- a/hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/sparc/vm/macroAssembler_sparc.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -2188,16 +2188,16 @@
   }
 
   // Compute start of first itableOffsetEntry (which is at the end of the vtable)
-  int vtable_base = InstanceKlass::vtable_start_offset() * wordSize;
+  int vtable_base = in_bytes(InstanceKlass::vtable_start_offset());
   int scan_step   = itableOffsetEntry::size() * wordSize;
-  int vte_size    = vtableEntry::size() * wordSize;
-
-  lduw(recv_klass, InstanceKlass::vtable_length_offset() * wordSize, scan_temp);
+  int vte_size    = vtableEntry::size_in_bytes();
+
+  lduw(recv_klass, in_bytes(InstanceKlass::vtable_length_offset()), scan_temp);
   // %%% We should store the aligned, prescaled offset in the klassoop.
   // Then the next several instructions would fold away.
 
   int itb_offset = vtable_base;
-  int itb_scale = exact_log2(vtableEntry::size() * wordSize);
+  int itb_scale = exact_log2(vtableEntry::size_in_bytes());
   sll(scan_temp, itb_scale,  scan_temp);
   add(scan_temp, itb_offset, scan_temp);
   add(recv_klass, scan_temp, scan_temp);
@@ -2268,16 +2268,16 @@
                                            Register method_result) {
   assert_different_registers(recv_klass, method_result, vtable_index.register_or_noreg());
   Register sethi_temp = method_result;
-  const int base = (InstanceKlass::vtable_start_offset() * wordSize +
-                    // method pointer offset within the vtable entry:
-                    vtableEntry::method_offset_in_bytes());
+  const int base = in_bytes(InstanceKlass::vtable_start_offset()) +
+                   // method pointer offset within the vtable entry:
+                   vtableEntry::method_offset_in_bytes();
   RegisterOrConstant vtable_offset = vtable_index;
   // Each of the following three lines potentially generates an instruction.
   // But the total number of address formation instructions will always be
   // at most two, and will often be zero.  In any case, it will be optimal.
   // If vtable_index is a register, we will have (sll_ptr N,x; inc_ptr B,x; ld_ptr k,x).
   // If vtable_index is a constant, we will have at most (set B+X<<N,t; ld_ptr k,t).
-  vtable_offset = regcon_sll_ptr(vtable_index, exact_log2(vtableEntry::size() * wordSize), vtable_offset);
+  vtable_offset = regcon_sll_ptr(vtable_index, exact_log2(vtableEntry::size_in_bytes()), vtable_offset);
   vtable_offset = regcon_inc_ptr(vtable_offset, base, vtable_offset, sethi_temp);
   Address vtable_entry_addr(recv_klass, ensure_simm13_or_reg(vtable_offset, sethi_temp));
   ld_ptr(vtable_entry_addr, method_result);

--- a/hotspot/src/cpu/sparc/vm/sparc.ad	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/sparc/vm/sparc.ad	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
+// Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 //
 // This code is free software; you can redistribute it and/or modify it
@@ -601,8 +601,8 @@
            NativeCall::instruction_size);  // sethi; setlo; call; delay slot
   } else {
     assert(!UseInlineCaches, "expect vtable calls only if not using ICs");
-    int entry_offset = InstanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
-    int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
+    int entry_offset = in_bytes(InstanceKlass::vtable_start_offset()) + vtable_index*vtableEntry::size_in_bytes();
+    int v_off = entry_offset + vtableEntry::method_offset_in_bytes();
     int klass_load_size;
     if (UseCompressedClassPointers) {
       assert(Universe::heap() != NULL, "java heap should be initialized");
@@ -2658,8 +2658,8 @@
       } else {
         klass_load_size = 1*BytesPerInstWord;
       }
-      int entry_offset = InstanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
-      int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
+      int entry_offset = in_bytes(InstanceKlass::vtable_start_offset()) + vtable_index*vtableEntry::size_in_bytes();
+      int v_off = entry_offset + vtableEntry::method_offset_in_bytes();
       if (Assembler::is_simm13(v_off)) {
         __ ld_ptr(G3, v_off, G5_method);
       } else {

--- a/hotspot/src/cpu/sparc/vm/templateTable_sparc.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/sparc/vm/templateTable_sparc.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -3153,11 +3153,11 @@
   //
 
   // compute start of first itableOffsetEntry (which is at end of vtable)
-  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  const int base = in_bytes(InstanceKlass::vtable_start_offset());
   Label search;
   Register Rtemp = O1_flags;
 
-  __ ld(O2_Klass, InstanceKlass::vtable_length_offset() * wordSize, Rtemp);
+  __ ld(O2_Klass, in_bytes(InstanceKlass::vtable_length_offset()), Rtemp);
   __ sll(Rtemp, LogBytesPerWord, Rtemp);   // Rscratch *= 4;
   if (Assembler::is_simm13(base)) {
     __ add(Rtemp, base, Rtemp);

--- a/hotspot/src/cpu/sparc/vm/vtableStubs_sparc.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/sparc/vm/vtableStubs_sparc.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -78,7 +78,7 @@
   if (DebugVtables) {
     Label L;
     // check offset vs vtable length
-    __ ld(G3_scratch, InstanceKlass::vtable_length_offset()*wordSize, G5);
+    __ ld(G3_scratch, in_bytes(InstanceKlass::vtable_length_offset()), G5);
     __ cmp_and_br_short(G5, vtable_index*vtableEntry::size(), Assembler::greaterUnsigned, Assembler::pt, L);
     __ set(vtable_index, O2);
     __ call_VM(noreg, CAST_FROM_FN_PTR(address, bad_compiled_vtable_index), O0, O2);

--- a/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -5807,14 +5807,14 @@
          "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 vtable_base = in_bytes(InstanceKlass::vtable_start_offset());
   int itentry_off = itableMethodEntry::method_offset_in_bytes();
   int scan_step   = itableOffsetEntry::size() * wordSize;
-  int vte_size    = vtableEntry::size() * wordSize;
+  int vte_size    = vtableEntry::size_in_bytes();
   Address::ScaleFactor times_vte_scale = Address::times_ptr;
   assert(vte_size == wordSize, "else adjust times_vte_scale");
 
-  movl(scan_temp, Address(recv_klass, InstanceKlass::vtable_length_offset() * wordSize));
+  movl(scan_temp, Address(recv_klass, InstanceKlass::vtable_length_offset()));
 
   // %%% Could store the aligned, prescaled offset in the klassoop.
   lea(scan_temp, Address(recv_klass, scan_temp, times_vte_scale, vtable_base));
@@ -5865,7 +5865,7 @@
 void MacroAssembler::lookup_virtual_method(Register recv_klass,
                                            RegisterOrConstant vtable_index,
                                            Register method_result) {
-  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  const int base = in_bytes(InstanceKlass::vtable_start_offset());
   assert(vtableEntry::size() * wordSize == wordSize, "else adjust the scaling in the code below");
   Address vtable_entry_addr(recv_klass,
                             vtable_index, Address::times_ptr,

--- a/hotspot/src/cpu/x86/vm/vtableStubs_x86_32.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/x86/vm/vtableStubs_x86_32.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -85,7 +85,7 @@
   if (DebugVtables) {
     Label L;
     // check offset vs vtable length
-    __ cmpl(Address(rax, InstanceKlass::vtable_length_offset()*wordSize), vtable_index*vtableEntry::size());
+    __ cmpl(Address(rax, InstanceKlass::vtable_length_offset()), vtable_index*vtableEntry::size());
     __ jcc(Assembler::greater, L);
     __ movl(rbx, vtable_index);
     __ call_VM(noreg, CAST_FROM_FN_PTR(address, bad_compiled_vtable_index), rcx, rbx);

--- a/hotspot/src/cpu/x86/vm/vtableStubs_x86_64.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/cpu/x86/vm/vtableStubs_x86_64.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -77,7 +77,7 @@
   if (DebugVtables) {
     Label L;
     // check offset vs vtable length
-    __ cmpl(Address(rax, InstanceKlass::vtable_length_offset() * wordSize),
+    __ cmpl(Address(rax, InstanceKlass::vtable_length_offset()),
             vtable_index * vtableEntry::size());
     __ jcc(Assembler::greater, L);
     __ movl(rbx, vtable_index);

--- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl.java	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -597,7 +597,7 @@
         }
         HotSpotVMConfig config = config();
         final int vtableIndex = getVtableIndex((HotSpotResolvedObjectTypeImpl) resolved);
-        return config.instanceKlassVtableStartOffset() + vtableIndex * config.vtableEntrySize + config.vtableEntryMethodOffset;
+        return config.instanceKlassVtableStartOffset + vtableIndex * config.vtableEntrySize + config.vtableEntryMethodOffset;
     }
 
     @Override

--- a/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotVMConfig.java	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1036,13 +1036,6 @@
     @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked;
     @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized;
 
-    /**
-     * See {@code InstanceKlass::vtable_start_offset()}.
-     */
-    public final int instanceKlassVtableStartOffset() {
-        return instanceKlassVtableStartOffset * heapWordSize;
-    }
-
     @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize;
 
     /**

--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2972,8 +2972,8 @@
                           SharedRuntime::get_resolve_virtual_call_stub(),
                           arg_list, info);
       } else {
-        int entry_offset = InstanceKlass::vtable_start_offset() + x->vtable_index() * vtableEntry::size();
-        int vtable_offset = entry_offset * wordSize + vtableEntry::method_offset_in_bytes();
+        int entry_offset = in_bytes(InstanceKlass::vtable_start_offset()) + x->vtable_index() * vtableEntry::size_in_bytes();
+        int vtable_offset = entry_offset + vtableEntry::method_offset_in_bytes();
         __ call_virtual(target, receiver, result_register, vtable_offset, arg_list, info);
       }
       break;

--- a/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -151,8 +151,8 @@
 int CompilerToVM::Data::cardtable_shift;
 
 void CompilerToVM::Data::initialize() {
-  InstanceKlass_vtable_start_offset = InstanceKlass::vtable_start_offset();
-  InstanceKlass_vtable_length_offset = InstanceKlass::vtable_length_offset() * HeapWordSize;
+  InstanceKlass_vtable_start_offset = in_bytes(InstanceKlass::vtable_start_offset());
+  InstanceKlass_vtable_length_offset = in_bytes(InstanceKlass::vtable_length_offset());
 
   Method_extra_stack_entries = Method::extra_stack_entries();
 

--- a/hotspot/src/share/vm/oops/instanceKlass.hpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/oops/instanceKlass.hpp	Wed Jan 27 14:50:56 2016 +0100
@@ -949,10 +949,10 @@
   virtual void collect_statistics(KlassSizeStats *sz) const;
 #endif
 
-  static int vtable_start_offset()    { return header_size(); }
-  static int vtable_length_offset()   { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; }
+  static ByteSize vtable_start_offset()    { return in_ByteSize(header_size() * wordSize); }
+  static ByteSize vtable_length_offset()   { return byte_offset_of(InstanceKlass, _vtable_len); }
 
-  intptr_t* start_of_vtable() const        { return ((intptr_t*)this) + vtable_start_offset(); }
+  intptr_t* start_of_vtable() const        { return (intptr_t*) ((address)this + in_bytes(vtable_start_offset())); }
   intptr_t* start_of_itable() const        { return start_of_vtable() + vtable_length(); }
   int  itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
 

--- a/hotspot/src/share/vm/oops/klassVtable.hpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/oops/klassVtable.hpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -173,6 +173,9 @@
   static int size() {
     return sizeof(vtableEntry) / sizeof(HeapWord);
   }
+  static int size_in_bytes() {
+    return sizeof(vtableEntry);
+  }
   static int method_offset_in_bytes() { return offset_of(vtableEntry, _method); }
   Method* method() const    { return _method; }
 

--- a/hotspot/src/share/vm/opto/library_call.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/opto/library_call.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -3828,8 +3828,8 @@
   assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index,
          "bad index %d", vtable_index);
   // Get the Method* out of the appropriate vtable entry.
-  int entry_offset  = (InstanceKlass::vtable_start_offset() +
-                     vtable_index*vtableEntry::size()) * wordSize +
+  int entry_offset  = in_bytes(InstanceKlass::vtable_start_offset()) +
+                     vtable_index*vtableEntry::size_in_bytes() +
                      vtableEntry::method_offset_in_bytes();
   Node* entry_addr  = basic_plus_adr(obj_klass, entry_offset);
   Node* target_call = make_load(NULL, entry_addr, TypePtr::NOTNULL, T_ADDRESS, MemNode::unordered);

--- a/hotspot/src/share/vm/shark/sharkTopLevelBlock.cpp	Thu Jan 28 07:11:45 2016 +0100
+++ b/hotspot/src/share/vm/shark/sharkTopLevelBlock.cpp	Wed Jan 27 14:50:56 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2008, 2009, 2010 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -1143,8 +1143,8 @@
     builder()->CreateArrayAddress(
       klass,
       SharkType::Method_type(),
-      vtableEntry::size() * wordSize,
-      in_ByteSize(InstanceKlass::vtable_start_offset() * wordSize),
+      vtableEntry::size_in_bytes(),
+      InstanceKlass::vtable_start_offset(),
       LLVMValue::intptr_constant(vtable_index)),
     "callee");
 }
@@ -1166,12 +1166,12 @@
   Value *vtable_start = builder()->CreateAdd(
     builder()->CreatePtrToInt(object_klass, SharkType::intptr_type()),
     LLVMValue::intptr_constant(
-      InstanceKlass::vtable_start_offset() * HeapWordSize),
+      in_bytes(InstanceKlass::vtable_start_offset())),
     "vtable_start");
 
   Value *vtable_length = builder()->CreateValueOfStructEntry(
     object_klass,
-    in_ByteSize(InstanceKlass::vtable_length_offset() * HeapWordSize),
+    InstanceKlass::vtable_length_offset(),
     SharkType::jint_type(),
     "vtable_length");
   vtable_length =
@@ -1182,7 +1182,7 @@
     vtable_start,
     builder()->CreateShl(
       vtable_length,
-      LLVMValue::intptr_constant(exact_log2(vtableEntry::size() * wordSize))),
+      LLVMValue::intptr_constant(exact_log2(vtableEntry::size_in_bytes()))),
     needs_aligning ? "" : "itable_start");
   if (needs_aligning) {
     itable_start = builder()->CreateAnd(