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src/share/vm/oops/oop.inline.hpp
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@@ -230,27 +230,12 @@
if (lh < Klass::_lh_neutral_value) {
// Second most common case is arrays. We have to fetch the
// length of the array, shift (multiply) it appropriately,
// up to wordSize, add the header, and align to object size.
size_t size_in_bytes;
-#ifdef _M_IA64
- // The Windows Itanium Aug 2002 SDK hoists this load above
- // the check for s < 0. An oop at the end of the heap will
- // cause an access violation if this load is performed on a non
- // array oop. Making the reference volatile prohibits this.
- // (%%% please explain by what magic the length is actually fetched!)
- volatile int *array_length;
- array_length = (volatile int *)( (intptr_t)this +
- arrayOopDesc::length_offset_in_bytes() );
- assert(array_length > 0, "Integer arithmetic problem somewhere");
- // Put into size_t to avoid overflow.
- size_in_bytes = (size_t) array_length;
- size_in_bytes = size_in_bytes << Klass::layout_helper_log2_element_size(lh);
-#else
size_t array_length = (size_t) ((arrayOop)this)->length();
size_in_bytes = array_length << Klass::layout_helper_log2_element_size(lh);
-#endif
size_in_bytes += Klass::layout_helper_header_size(lh);
// This code could be simplified, but by keeping array_header_in_bytes
// in units of bytes and doing it this way we can round up just once,
// skipping the intermediate round to HeapWordSize. Cast the result
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