view src/cpu/ppc/vm/interpreter_ppc.hpp @ 19157:3a2fce66fda0

[SPARC] make CompareAndSwapOp side-effect free.
author Josef Eisl <josef.eisl@jku.at>
date Thu, 05 Feb 2015 13:16:09 +0100
parents 58cf34613a72
children 92aa6797d639
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/*
 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2012, 2014 SAP AG. 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
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef CPU_PPC_VM_INTERPRETER_PPC_HPP
#define CPU_PPC_VM_INTERPRETER_PPC_HPP

 public:

  // Stack index relative to tos (which points at value).
  static int expr_index_at(int i) {
    return stackElementWords * i;
  }

  // Already negated by c++ interpreter.
  static int local_index_at(int i) {
    assert(i <= 0, "local direction already negated");
    return stackElementWords * i;
  }

#ifndef CC_INTERP
  // The offset in bytes to access a expression stack slot
  // relative to the esp pointer.
  static int expr_offset_in_bytes(int slot) {
    return stackElementSize * slot + wordSize;
  }
#endif

#endif // CPU_PPC_VM_INTERPRETER_PPC_PP