src/share/vm/memory/universe.inline.hpp

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   1 /*
   2  * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 





  25 // Check whether an element of a typeArrayOop with the given type must be
  26 // aligned 0 mod 8.  The typeArrayOop itself must be aligned at least this
  27 // strongly.
  28 
  29 inline bool Universe::element_type_should_be_aligned(BasicType type) {
  30   return type == T_DOUBLE || type == T_LONG;
  31 }
  32 
  33 // Check whether an object field (static/non-static) of the given type must be aligned 0 mod 8.
  34 
  35 inline bool Universe::field_type_should_be_aligned(BasicType type) {
  36   return type == T_DOUBLE || type == T_LONG;
  37 }


   1 /*
   2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP
  26 #define SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP
  27 
  28 #include "memory/universe.hpp"
  29 
  30 // Check whether an element of a typeArrayOop with the given type must be
  31 // aligned 0 mod 8.  The typeArrayOop itself must be aligned at least this
  32 // strongly.
  33 
  34 inline bool Universe::element_type_should_be_aligned(BasicType type) {
  35   return type == T_DOUBLE || type == T_LONG;
  36 }
  37 
  38 // Check whether an object field (static/non-static) of the given type must be aligned 0 mod 8.
  39 
  40 inline bool Universe::field_type_should_be_aligned(BasicType type) {
  41   return type == T_DOUBLE || type == T_LONG;
  42 }
  43 
  44 #endif // SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP