90 // Current value of an element.
  91 // Returns T_ILLEGAL if there is no element at the given index.
  92 ciConstant ciArray::element_value(int index) {
  93   BasicType elembt = element_basic_type();
  94   GUARDED_VM_ENTRY(
  95     return element_value_impl(elembt, get_arrayOop(), index);
  96   )
  97 }
  98 
  99 // ------------------------------------------------------------------
 100 // ciArray::element_value_by_offset
 101 //
 102 // Current value of an element at the specified offset.
 103 // Returns T_ILLEGAL if there is no element at the given offset.
 104 ciConstant ciArray::element_value_by_offset(intptr_t element_offset) {
 105   BasicType elembt = element_basic_type();
 106   intptr_t shift  = exact_log2(type2aelembytes(elembt));
 107   intptr_t header = arrayOopDesc::base_offset_in_bytes(elembt);
 108   intptr_t index = (element_offset - header) >> shift;
 109   intptr_t offset = header + ((intptr_t)index << shift);
 110   if (offset != element_offset || index != (jint)index)
 111     return ciConstant();

 112   return element_value((jint) index);
 113 }
 114 
 115 // ------------------------------------------------------------------
 116 // ciArray::print_impl
 117 //
 118 // Implementation of the print method.
 119 void ciArray::print_impl(outputStream* st) {
 120   st->print(" length=%d type=", length());
 121   klass()->print(st);
 122 }

  90 // Current value of an element.
  91 // Returns T_ILLEGAL if there is no element at the given index.
  92 ciConstant ciArray::element_value(int index) {
  93   BasicType elembt = element_basic_type();
  94   GUARDED_VM_ENTRY(
  95     return element_value_impl(elembt, get_arrayOop(), index);
  96   )
  97 }
  98 
  99 // ------------------------------------------------------------------
 100 // ciArray::element_value_by_offset
 101 //
 102 // Current value of an element at the specified offset.
 103 // Returns T_ILLEGAL if there is no element at the given offset.
 104 ciConstant ciArray::element_value_by_offset(intptr_t element_offset) {
 105   BasicType elembt = element_basic_type();
 106   intptr_t shift  = exact_log2(type2aelembytes(elembt));
 107   intptr_t header = arrayOopDesc::base_offset_in_bytes(elembt);
 108   intptr_t index = (element_offset - header) >> shift;
 109   intptr_t offset = header + ((intptr_t)index << shift);
 110   if (offset != element_offset || index != (jint)index || index < 0 || index >= length()) {
 111     return ciConstant();
 112   }
 113   return element_value((jint) index);
 114 }
 115 
 116 // ------------------------------------------------------------------
 117 // ciArray::print_impl
 118 //
 119 // Implementation of the print method.
 120 void ciArray::print_impl(outputStream* st) {
 121   st->print(" length=%d type=", length());
 122   klass()->print(st);
 123 }