--- a/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -2037,7 +2037,7 @@
 
 
 int LIR_Assembler::shift_amount(BasicType t) {
-  int elem_size = type2aelembytes[t];
+  int elem_size = type2aelembytes(t);
   switch (elem_size) {
     case 1 : return 0;
     case 2 : return 1;
@@ -2360,7 +2360,7 @@
                       op->tmp2()->as_register(),
                       op->tmp3()->as_register(),
                       arrayOopDesc::header_size(op->type()),
-                      type2aelembytes[op->type()],
+                      type2aelembytes(op->type()),
                       op->klass()->as_register(),
                       *op->stub()->entry());
   }

--- a/hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -179,7 +179,7 @@
 
 LIR_Address* LIRGenerator::emit_array_address(LIR_Opr array_opr, LIR_Opr index_opr,
                                               BasicType type, bool needs_card_mark) {
-  int elem_size = type2aelembytes[type];
+  int elem_size = type2aelembytes(type);
   int shift = exact_log2(elem_size);
 
   LIR_Opr base_opr;

--- a/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -546,8 +546,8 @@
   // set rsi.edi to the end of the arrays (arrays have same length)
   // negate the index
 
-  __ leal(rsi, Address(rsi, rax, Address::times_2, type2aelembytes[T_CHAR]));
-  __ leal(rdi, Address(rdi, rax, Address::times_2, type2aelembytes[T_CHAR]));
+  __ leal(rsi, Address(rsi, rax, Address::times_2, type2aelembytes(T_CHAR)));
+  __ leal(rdi, Address(rdi, rax, Address::times_2, type2aelembytes(T_CHAR)));
   __ negl(rax);
 
   // compare the strings in a loop
@@ -1232,7 +1232,7 @@
 
 NEEDS_CLEANUP; // This could be static?
 Address::ScaleFactor LIR_Assembler::array_element_size(BasicType type) const {
-  int elem_size = type2aelembytes[type];
+  int elem_size = type2aelembytes(type);
   switch (elem_size) {
     case 1: return Address::times_1;
     case 2: return Address::times_2;
@@ -2739,7 +2739,7 @@
 
   assert(default_type != NULL && default_type->is_array_klass() && default_type->is_loaded(), "must be true at this point");
 
-  int elem_size = type2aelembytes[basic_type];
+  int elem_size = type2aelembytes(basic_type);
   int shift_amount;
   Address::ScaleFactor scale;
 

--- a/hotspot/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -151,7 +151,7 @@
 
   LIR_Address* addr;
   if (index_opr->is_constant()) {
-    int elem_size = type2aelembytes[type];
+    int elem_size = type2aelembytes(type);
     addr = new LIR_Address(array_opr,
                            offset_in_bytes + index_opr->as_jint() * elem_size, type);
   } else {

--- a/hotspot/src/share/vm/c1/c1_LIR.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/c1/c1_LIR.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -105,7 +105,7 @@
 
 
 LIR_Address::Scale LIR_Address::scale(BasicType type) {
-  int elem_size = type2aelembytes[type];
+  int elem_size = type2aelembytes(type);
   switch (elem_size) {
   case 1: return LIR_Address::times_1;
   case 2: return LIR_Address::times_2;

--- a/hotspot/src/share/vm/ci/ciField.hpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/ci/ciField.hpp	Mon Feb 25 15:05:44 2008 -0800
@@ -102,7 +102,7 @@
   BasicType layout_type() { return type2field[(_type == NULL) ? T_OBJECT : _type->basic_type()]; }
 
   // How big is this field in memory?
-  int size_in_bytes() { return type2aelembytes[layout_type()]; }
+  int size_in_bytes() { return type2aelembytes(layout_type()); }
 
   // What is the offset of this field?
   int offset() {

--- a/hotspot/src/share/vm/oops/arrayOop.hpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/oops/arrayOop.hpp	Mon Feb 25 15:05:44 2008 -0800
@@ -58,11 +58,11 @@
   // alignments.  It gets the scale from the type2aelembytes array.
   static int32_t max_array_length(BasicType type) {
     assert(type >= 0 && type < T_CONFLICT, "wrong type");
-    assert(type2aelembytes[type] != 0, "wrong type");
+    assert(type2aelembytes(type) != 0, "wrong type");
     // We use max_jint, since object_size is internally represented by an 'int'
     // This gives us an upper bound of max_jint words for the size of the oop.
     int32_t max_words = (max_jint - header_size(type) - 2);
-    int elembytes = (type == T_OBJECT) ? T_OBJECT_aelem_bytes : type2aelembytes[type];
+    int elembytes = (type == T_OBJECT) ? T_OBJECT_aelem_bytes : type2aelembytes(type);
     jlong len = ((jlong)max_words * HeapWordSize) / elembytes;
     return (len > max_jint) ? max_jint : (int32_t)len;
   }

--- a/hotspot/src/share/vm/oops/klass.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/oops/klass.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -182,7 +182,7 @@
   assert(etype >= T_BOOLEAN && etype <= T_OBJECT, "valid etype");
   // Note that T_ARRAY is not allowed here.
   int  hsize = arrayOopDesc::base_offset_in_bytes(etype);
-  int  esize = type2aelembytes[etype];
+  int  esize = type2aelembytes(etype);
   bool isobj = (etype == T_OBJECT);
   int  tag   =  isobj ? _lh_array_tag_obj_value : _lh_array_tag_type_value;
   int lh = array_layout_helper(tag, hsize, etype, exact_log2(esize));

--- a/hotspot/src/share/vm/opto/graphKit.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/graphKit.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -1447,7 +1447,7 @@
 //-------------------------array_element_address-------------------------
 Node* GraphKit::array_element_address(Node* ary, Node* idx, BasicType elembt,
                                       const TypeInt* sizetype) {
-  uint shift  = exact_log2(type2aelembytes[elembt]);
+  uint shift  = exact_log2(type2aelembytes(elembt));
   uint header = arrayOopDesc::base_offset_in_bytes(elembt);
 
   // short-circuit a common case (saves lots of confusing waste motion)

--- a/hotspot/src/share/vm/opto/library_call.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/library_call.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -2097,7 +2097,7 @@
   int type_words = type2size[type];
 
   // Cannot inline wide CAS on machines that don't support it natively
-  if (type2aelembytes[type] > BytesPerInt && !VM_Version::supports_cx8())
+  if (type2aelembytes(type) > BytesPerInt && !VM_Version::supports_cx8())
     return false;
 
   C->set_has_unsafe_access(true);  // Mark eventual nmethod as "unsafe".
@@ -3975,7 +3975,7 @@
     // both indices are constants
     int s_offs = src_offset_inttype->get_con();
     int d_offs = dest_offset_inttype->get_con();
-    int element_size = type2aelembytes[t];
+    int element_size = type2aelembytes(t);
     aligned = ((arrayOopDesc::base_offset_in_bytes(t) + s_offs * element_size) % HeapWordSize == 0) &&
               ((arrayOopDesc::base_offset_in_bytes(t) + d_offs * element_size) % HeapWordSize == 0);
     if (s_offs >= d_offs)  disjoint = true;
@@ -4389,7 +4389,7 @@
     if (alloc != NULL && use_ReduceInitialCardMarks()) {
       // If we do not need card marks, copy using the jint or jlong stub.
       copy_type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
-      assert(type2aelembytes[basic_elem_type] == type2aelembytes[copy_type],
+      assert(type2aelembytes(basic_elem_type) == type2aelembytes(copy_type),
              "sizes agree");
     }
   }
@@ -4659,7 +4659,7 @@
   Node* mem = memory(adr_type); // memory slice to operate on
 
   // scaling and rounding of indexes:
-  int scale = exact_log2(type2aelembytes[basic_elem_type]);
+  int scale = exact_log2(type2aelembytes(basic_elem_type));
   int abase = arrayOopDesc::base_offset_in_bytes(basic_elem_type);
   int clear_low = (-1 << scale) & (BytesPerInt  - 1);
   int bump_bit  = (-1 << scale) & BytesPerInt;
@@ -4753,7 +4753,7 @@
                                          Node* dest, Node* dest_offset,
                                          Node* dest_size) {
   // See if there is an advantage from block transfer.
-  int scale = exact_log2(type2aelembytes[basic_elem_type]);
+  int scale = exact_log2(type2aelembytes(basic_elem_type));
   if (scale >= LogBytesPerLong)
     return false;               // it is already a block transfer
 

--- a/hotspot/src/share/vm/opto/memnode.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/memnode.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -889,7 +889,7 @@
       int shift = -1;
       Node* cache = NULL;
       if (is_autobox_cache(atp)) {
-        shift  = exact_log2(type2aelembytes[T_OBJECT]);
+        shift  = exact_log2(type2aelembytes(T_OBJECT));
         cache = AddPNode::Ideal_base_and_offset(load_base->in(Address), phase, cache_offset);
       }
       if (cache != NULL && base->in(Address)->is_AddP()) {

--- a/hotspot/src/share/vm/opto/memnode.hpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/memnode.hpp	Mon Feb 25 15:05:44 2008 -0800
@@ -97,7 +97,13 @@
 
   // What is the type of the value in memory?  (T_VOID mean "unspecified".)
   virtual BasicType memory_type() const = 0;
-  virtual int memory_size() const { return type2aelembytes[memory_type()]; }
+  virtual int memory_size() const {
+#ifdef ASSERT
+    return type2aelembytes(memory_type(), true);
+#else
+    return type2aelembytes(memory_type());
+#endif
+  }
 
   // Search through memory states which precede this node (load or store).
   // Look for an exact match for the address, with no intervening

--- a/hotspot/src/share/vm/opto/superword.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/superword.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -159,7 +159,8 @@
   Node_List memops;
   for (int i = 0; i < _block.length(); i++) {
     Node* n = _block.at(i);
-    if (n->is_Mem() && in_bb(n)) {
+    if (n->is_Mem() && in_bb(n) &&
+        is_java_primitive(n->as_Mem()->memory_type())) {
       int align = memory_alignment(n->as_Mem(), 0);
       if (align != bottom_align) {
         memops.push(n);
@@ -570,7 +571,7 @@
 int SuperWord::data_size(Node* s) {
   const Type* t = velt_type(s);
   BasicType  bt = t->array_element_basic_type();
-  int bsize = type2aelembytes[bt];
+  int bsize = type2aelembytes(bt);
   assert(bsize != 0, "valid size");
   return bsize;
 }

--- a/hotspot/src/share/vm/opto/vectornode.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/vectornode.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -135,7 +135,7 @@
   int mid = lo + ct/2;
   Node* n1 = ct == 2 ? in(lo)   : binaryTreePack(C, lo,  mid);
   Node* n2 = ct == 2 ? in(lo+1) : binaryTreePack(C, mid, hi );
-  int rslt_bsize = ct * type2aelembytes[elt_basic_type()];
+  int rslt_bsize = ct * type2aelembytes(elt_basic_type());
   if (bottom_type()->is_floatingpoint()) {
     switch (rslt_bsize) {
     case  8: return new (C, 3) PackFNode(n1, n2);

--- a/hotspot/src/share/vm/opto/vectornode.hpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/opto/vectornode.hpp	Mon Feb 25 15:05:44 2008 -0800
@@ -48,7 +48,7 @@
   uint length() const { return _length; } // Vector length
 
   static uint max_vlen(BasicType bt) { // max vector length
-    return (uint)(Matcher::vector_width_in_bytes() / type2aelembytes[bt]);
+    return (uint)(Matcher::vector_width_in_bytes() / type2aelembytes(bt));
   }
 
   // Element and vector type
@@ -392,7 +392,7 @@
 
   virtual uint ideal_reg() const  { return Matcher::vector_ideal_reg(); }
   virtual BasicType memory_type() const { return T_VOID; }
-  virtual int memory_size() const { return length()*type2aelembytes[elt_basic_type()]; }
+  virtual int memory_size() const { return length()*type2aelembytes(elt_basic_type()); }
 
   // Vector opcode from scalar opcode
   static int opcode(int sopc, uint vlen);
@@ -620,7 +620,7 @@
 
   virtual uint ideal_reg() const  { return Matcher::vector_ideal_reg(); }
   virtual BasicType memory_type() const { return T_VOID; }
-  virtual int memory_size() const { return length()*type2aelembytes[elt_basic_type()]; }
+  virtual int memory_size() const { return length()*type2aelembytes(elt_basic_type()); }
 
   // Vector opcode from scalar opcode
   static int opcode(int sopc, uint vlen);

--- a/hotspot/src/share/vm/services/heapDumper.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/services/heapDumper.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -997,7 +997,7 @@
   }
 
   // If the byte ordering is big endian then we can copy most types directly
-  int length_in_bytes = array->length() * type2aelembytes[type];
+  int length_in_bytes = array->length() * type2aelembytes(type);
   assert(length_in_bytes > 0, "nothing to copy");
 
   switch (type) {

--- a/hotspot/src/share/vm/utilities/globalDefinitions.cpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/utilities/globalDefinitions.cpp	Mon Feb 25 15:05:44 2008 -0800
@@ -214,7 +214,7 @@
 };
 
 
-int type2aelembytes[T_CONFLICT+1] = {
+int _type2aelembytes[T_CONFLICT+1] = {
   0,                      // 0
   0,                      // 1
   0,                      // 2
@@ -230,10 +230,16 @@
   T_OBJECT_aelem_bytes,   // T_OBJECT   = 12,
   T_ARRAY_aelem_bytes,    // T_ARRAY    = 13,
   0,                      // T_VOID     = 14,
-  T_INT_aelem_bytes,      // T_ADDRESS  = 15,
+  T_OBJECT_aelem_bytes,   // T_ADDRESS  = 15,
   0                       // T_CONFLICT = 16,
 };
 
+#ifdef ASSERT
+int type2aelembytes(BasicType t, bool allow_address) {
+  assert(allow_address || t != T_ADDRESS, " ");
+  return _type2aelembytes[t];
+}
+#endif
 
 // Support for 64-bit integer arithmetic
 

--- a/hotspot/src/share/vm/utilities/globalDefinitions.hpp	Fri Feb 22 17:55:13 2008 -0800
+++ b/hotspot/src/share/vm/utilities/globalDefinitions.hpp	Mon Feb 25 15:05:44 2008 -0800
@@ -392,6 +392,10 @@
   T_ILLEGAL  = 99
 };
 
+inline bool is_java_primitive(BasicType t) {
+  return T_BOOLEAN <= t && t <= T_LONG;
+}
+
 // Convert a char from a classfile signature to a BasicType
 inline BasicType char2type(char c) {
   switch( c ) {
@@ -464,7 +468,12 @@
   T_VOID_aelem_bytes    = 0
 };
 
-extern int type2aelembytes[T_CONFLICT+1]; // maps a BasicType to nof bytes used by its array element
+extern int _type2aelembytes[T_CONFLICT+1]; // maps a BasicType to nof bytes used by its array element
+#ifdef ASSERT
+extern int type2aelembytes(BasicType t, bool allow_address = false); // asserts
+#else
+inline int type2aelembytes(BasicType t) { return _type2aelembytes[t]; }
+#endif
 
 
 // JavaValue serves as a container for arbitrary Java values.